mirror of
https://git.postgresql.org/git/postgresql.git
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1017 lines
22 KiB
C
1017 lines
22 KiB
C
/*
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* $Header: /cvsroot/pgsql/contrib/pgbench/pgbench.c,v 1.27 2003/09/27 19:15:34 wieck Exp $
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*
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* pgbench: a simple TPC-B like benchmark program for PostgreSQL
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* written by Tatsuo Ishii
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*
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* Copyright (c) 2000-2002 Tatsuo Ishii
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that the above copyright notice appear in all
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* copies and that both that copyright notice and this permission
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* notice appear in supporting documentation, and that the name of the
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* author not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. The author makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*/
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#include "postgres_fe.h"
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#include "libpq-fe.h"
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#include <errno.h>
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#ifdef WIN32
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#include "win32.h"
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#else
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#include <sys/time.h>
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#include <unistd.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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/* for getrlimit */
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#include <sys/resource.h>
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#endif /* ! WIN32 */
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extern char *optarg;
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extern int optind;
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/********************************************************************
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* some configurable parameters */
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#define MAXCLIENTS 1024 /* max number of clients allowed */
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int nclients = 1; /* default number of simulated clients */
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int nxacts = 10; /* default number of transactions per
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* clients */
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/*
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* scaling factor. for example, tps = 10 will make 1000000 tuples of
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* accounts table.
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*/
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int tps = 1;
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/*
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* end of configurable parameters
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*********************************************************************/
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#define nbranches 1
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#define ntellers 10
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#define naccounts 100000
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FILE *LOGFILE = NULL;
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bool use_log; /* log transaction latencies to a file */
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int remains; /* number of remaining clients */
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int is_connect; /* establish connection for each
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* transaction */
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char *pghost = "";
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char *pgport = NULL;
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char *pgoptions = NULL;
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char *pgtty = NULL;
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char *login = NULL;
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char *pwd = NULL;
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char *dbName;
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typedef struct
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{
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PGconn *con; /* connection handle to DB */
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int id; /* client No. */
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int state; /* state No. */
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int cnt; /* xacts count */
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int ecnt; /* error count */
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int listen; /* 0 indicates that an async query has
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* been sent */
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int aid; /* account id for this transaction */
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int bid; /* branch id for this transaction */
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int tid; /* teller id for this transaction */
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int delta;
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int abalance;
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struct timeval txn_begin; /* used for measuring latencies */
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} CState;
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static void
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usage()
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{
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fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-n][-C][-v][-S][-N][-l][-U login][-P password][-d][dbname]\n");
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fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor][-U login][-P password][-d][dbname]\n");
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}
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/* random number generator */
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static int
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getrand(int min, int max)
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{
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return (min + (int) (max * 1.0 * rand() / (RAND_MAX + 1.0)));
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}
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/* set up a connection to the backend */
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static PGconn *
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doConnect()
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{
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PGconn *con;
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PGresult *res;
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con = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
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login, pwd);
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if (con == NULL)
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{
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fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
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fprintf(stderr, "Memory allocatin problem?\n");
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return (NULL);
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}
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if (PQstatus(con) == CONNECTION_BAD)
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{
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fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
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if (PQerrorMessage(con))
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fprintf(stderr, "%s", PQerrorMessage(con));
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else
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fprintf(stderr, "No explanation from the backend\n");
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return (NULL);
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}
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res = PQexec(con, "SET search_path = public");
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "%s", PQerrorMessage(con));
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exit(1);
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}
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PQclear(res);
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return (con);
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}
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/* throw away response from backend */
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static void
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discard_response(CState * state)
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{
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PGresult *res;
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do
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{
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res = PQgetResult(state->con);
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if (res)
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PQclear(res);
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} while (res);
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}
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/* check to see if the SQL result was good */
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static int
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check(CState * state, PGresult *res, int n, int good)
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{
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CState *st = &state[n];
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if (res && PQresultStatus(res) != good)
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{
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fprintf(stderr, "Client %d aborted in state %d: %s", n, st->state, PQerrorMessage(st->con));
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remains--; /* I've aborted */
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PQfinish(st->con);
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st->con = NULL;
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return (-1);
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}
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return (0); /* OK */
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}
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/* process a transaction */
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static void
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doOne(CState * state, int n, int debug, int ttype)
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{
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char sql[256];
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PGresult *res;
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CState *st = &state[n];
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if (st->listen)
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{ /* are we receiver? */
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if (debug)
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fprintf(stderr, "client %d receiving\n", n);
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if (!PQconsumeInput(st->con))
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{ /* there's something wrong */
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fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n", n, st->state);
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remains--; /* I've aborted */
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PQfinish(st->con);
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st->con = NULL;
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return;
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}
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if (PQisBusy(st->con))
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return; /* don't have the whole result yet */
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switch (st->state)
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{
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case 0: /* response to "begin" */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 1: /* response to "update accounts..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 2: /* response to "select abalance ..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_TUPLES_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 3: /* response to "update tellers ..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 4: /* response to "update branches ..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 5: /* response to "insert into history ..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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break;
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case 6: /* response to "end" */
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/*
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* transaction finished: record the time it took in the
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* log
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*/
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if (use_log)
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{
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long long diff;
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struct timeval now;
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gettimeofday(&now, 0);
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diff = (now.tv_sec - st->txn_begin.tv_sec) * 1000000 +
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(now.tv_usec - st->txn_begin.tv_usec);
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fprintf(LOGFILE, "%d %d %lld\n", st->id, st->cnt, diff);
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}
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_COMMAND_OK))
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return;
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PQclear(res);
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discard_response(st);
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if (is_connect)
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{
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PQfinish(st->con);
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st->con = NULL;
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}
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if (++st->cnt >= nxacts)
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{
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remains--; /* I'm done */
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if (st->con != NULL)
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{
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PQfinish(st->con);
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st->con = NULL;
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}
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return;
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}
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break;
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}
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/* increment state counter */
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st->state++;
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if (st->state > 6)
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st->state = 0;
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}
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if (st->con == NULL)
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{
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if ((st->con = doConnect()) == NULL)
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{
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fprintf(stderr, "Client %d aborted in establishing connection.\n",
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n);
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remains--; /* I've aborted */
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PQfinish(st->con);
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st->con = NULL;
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return;
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}
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}
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switch (st->state)
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{
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case 0: /* about to start */
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strcpy(sql, "begin");
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st->aid = getrand(1, naccounts * tps);
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st->bid = getrand(1, nbranches * tps);
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st->tid = getrand(1, ntellers * tps);
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st->delta = getrand(1, 1000);
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if (use_log)
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gettimeofday(&(st->txn_begin), 0);
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break;
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case 1:
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snprintf(sql, 256, "update accounts set abalance = abalance + %d where aid = %d\n", st->delta, st->aid);
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break;
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case 2:
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snprintf(sql, 256, "select abalance from accounts where aid = %d", st->aid);
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break;
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case 3:
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if (ttype == 0)
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{
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snprintf(sql, 256, "update tellers set tbalance = tbalance + %d where tid = %d\n",
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st->delta, st->tid);
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break;
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}
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case 4:
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if (ttype == 0)
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{
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snprintf(sql, 256, "update branches set bbalance = bbalance + %d where bid = %d", st->delta, st->bid);
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break;
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}
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case 5:
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snprintf(sql, 256, "insert into history(tid,bid,aid,delta,mtime) values(%d,%d,%d,%d,'now')",
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st->tid, st->bid, st->aid, st->delta);
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break;
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case 6:
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strcpy(sql, "end");
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break;
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}
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if (debug)
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fprintf(stderr, "client %d sending %s\n", n, sql);
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if (PQsendQuery(st->con, sql) == 0)
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{
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if (debug)
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fprintf(stderr, "PQsendQuery(%s)failed\n", sql);
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st->ecnt++;
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}
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else
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{
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st->listen++; /* flags that should be listened */
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}
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}
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/* process a select only transaction */
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static void
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doSelectOnly(CState * state, int n, int debug)
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{
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char sql[256];
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PGresult *res;
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CState *st = &state[n];
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if (st->listen)
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{ /* are we receiver? */
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if (debug)
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fprintf(stderr, "client %d receiving\n", n);
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if (!PQconsumeInput(st->con))
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{ /* there's something wrong */
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fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n", n, st->state);
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remains--; /* I've aborted */
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PQfinish(st->con);
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st->con = NULL;
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return;
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}
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if (PQisBusy(st->con))
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return; /* don't have the whole result yet */
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switch (st->state)
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{
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case 0: /* response to "select abalance ..." */
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res = PQgetResult(st->con);
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if (check(state, res, n, PGRES_TUPLES_OK))
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return;
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PQclear(res);
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discard_response(st);
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if (is_connect)
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{
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PQfinish(st->con);
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st->con = NULL;
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}
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if (++st->cnt >= nxacts)
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{
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remains--; /* I've done */
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if (st->con != NULL)
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{
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PQfinish(st->con);
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st->con = NULL;
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}
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return;
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}
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break;
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}
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/* increment state counter */
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st->state++;
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if (st->state > 0)
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st->state = 0;
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}
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if (st->con == NULL)
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{
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if ((st->con = doConnect()) == NULL)
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{
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fprintf(stderr, "Client %d aborted in establishing connection.\n",
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n);
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remains--; /* I've aborted */
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PQfinish(st->con);
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st->con = NULL;
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return;
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}
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}
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switch (st->state)
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{
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case 0:
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st->aid = getrand(1, naccounts * tps);
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snprintf(sql, 256, "select abalance from accounts where aid = %d", st->aid);
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break;
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}
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if (debug)
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fprintf(stderr, "client %d sending %s\n", n, sql);
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if (PQsendQuery(st->con, sql) == 0)
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{
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if (debug)
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fprintf(stderr, "PQsendQuery(%s)failed\n", sql);
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st->ecnt++;
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}
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else
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{
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st->listen++; /* flags that should be listened */
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}
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}
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/* discard connections */
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static void
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disconnect_all(CState * state)
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{
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int i;
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for (i = 0; i < nclients; i++)
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{
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if (state[i].con)
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PQfinish(state[i].con);
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}
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}
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/* create tables and setup data */
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static void
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init(void)
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{
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PGconn *con;
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PGresult *res;
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static char *DDLs[] = {
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"drop table branches",
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"create table branches(bid int, primary key(bid),bbalance int,filler char(88))",
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"drop table tellers",
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"create table tellers(tid int, primary key(tid),bid int,tbalance int,filler char(84))",
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"drop table accounts",
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"create table accounts(aid int,primary key(aid),bid int,abalance int,filler char(84))",
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"drop table history",
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"create table history(tid int,bid int,aid int,delta int,mtime timestamp,filler char(22))"};
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char sql[256];
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int i;
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if ((con = doConnect()) == NULL)
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exit(1);
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for (i = 0; i < (sizeof(DDLs) / sizeof(char *)); i++)
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{
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res = PQexec(con, DDLs[i]);
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if (strncmp(DDLs[i], "drop", 4) && PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "%s", PQerrorMessage(con));
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exit(1);
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}
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PQclear(res);
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}
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res = PQexec(con, "begin");
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "%s", PQerrorMessage(con));
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exit(1);
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}
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PQclear(res);
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for (i = 0; i < nbranches * tps; i++)
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{
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snprintf(sql, 256, "insert into branches(bid,bbalance) values(%d,0)", i + 1);
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res = PQexec(con, sql);
|
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "%s", PQerrorMessage(con));
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exit(1);
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}
|
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PQclear(res);
|
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}
|
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|
|
for (i = 0; i < ntellers * tps; i++)
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{
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snprintf(sql, 256, "insert into tellers(tid,bid,tbalance) values (%d,%d,0)"
|
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,i + 1, i / ntellers + 1);
|
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res = PQexec(con, sql);
|
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
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{
|
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fprintf(stderr, "%s", PQerrorMessage(con));
|
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exit(1);
|
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}
|
|
PQclear(res);
|
|
}
|
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|
|
res = PQexec(con, "end");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
|
|
|
|
/*
|
|
* occupy accounts table with some data
|
|
*/
|
|
fprintf(stderr, "creating tables...\n");
|
|
for (i = 0; i < naccounts * tps; i++)
|
|
{
|
|
int j = i + 1;
|
|
|
|
if (j % 10000 == 1)
|
|
{
|
|
res = PQexec(con, "copy accounts from stdin");
|
|
if (PQresultStatus(res) != PGRES_COPY_IN)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
}
|
|
|
|
snprintf(sql, 256, "%d\t%d\t%d\t\n", j, i / naccounts + 1, 0);
|
|
if (PQputline(con, sql))
|
|
{
|
|
fprintf(stderr, "PQputline failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (j % 10000 == 0)
|
|
{
|
|
/*
|
|
* every 10000 tuples, we commit the copy command. this should
|
|
* avoid generating too much WAL logs
|
|
*/
|
|
fprintf(stderr, "%d tuples done.\n", j);
|
|
if (PQputline(con, "\\.\n"))
|
|
{
|
|
fprintf(stderr, "very last PQputline failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (PQendcopy(con))
|
|
{
|
|
fprintf(stderr, "PQendcopy failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef NOT_USED
|
|
|
|
/*
|
|
* do a checkpoint to purge the old WAL logs
|
|
*/
|
|
res = PQexec(con, "checkpoint");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
#endif /* NOT_USED */
|
|
}
|
|
}
|
|
|
|
/* vacuum */
|
|
fprintf(stderr, "vacuum...");
|
|
res = PQexec(con, "vacuum analyze");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
fprintf(stderr, "done.\n");
|
|
|
|
PQfinish(con);
|
|
}
|
|
|
|
/* print out results */
|
|
static void
|
|
printResults(
|
|
int ttype, CState * state,
|
|
struct timeval * tv1, struct timeval * tv2,
|
|
struct timeval * tv3)
|
|
{
|
|
double t1,
|
|
t2;
|
|
int i;
|
|
int normal_xacts = 0;
|
|
char *s;
|
|
|
|
for (i = 0; i < nclients; i++)
|
|
normal_xacts += state[i].cnt;
|
|
|
|
t1 = (tv3->tv_sec - tv1->tv_sec) * 1000000.0 + (tv3->tv_usec - tv1->tv_usec);
|
|
t1 = normal_xacts * 1000000.0 / t1;
|
|
|
|
t2 = (tv3->tv_sec - tv2->tv_sec) * 1000000.0 + (tv3->tv_usec - tv2->tv_usec);
|
|
t2 = normal_xacts * 1000000.0 / t2;
|
|
|
|
if (ttype == 0)
|
|
s = "TPC-B (sort of)";
|
|
else if (ttype == 2)
|
|
s = "Update only accounts";
|
|
else
|
|
s = "SELECT only";
|
|
|
|
printf("transaction type: %s\n", s);
|
|
printf("scaling factor: %d\n", tps);
|
|
printf("number of clients: %d\n", nclients);
|
|
printf("number of transactions per client: %d\n", nxacts);
|
|
printf("number of transactions actually processed: %d/%d\n", normal_xacts, nxacts * nclients);
|
|
printf("tps = %f (including connections establishing)\n", t1);
|
|
printf("tps = %f (excluding connections establishing)\n", t2);
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
int is_init_mode = 0; /* initialize mode? */
|
|
int is_no_vacuum = 0; /* no vacuum at all before
|
|
* testing? */
|
|
int is_full_vacuum = 0; /* do full vacuum before testing? */
|
|
int debug = 0; /* debug flag */
|
|
int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT
|
|
* only, 2: skip update of branches and
|
|
* tellers */
|
|
|
|
static CState *state; /* status of clients */
|
|
|
|
struct timeval tv1; /* start up time */
|
|
struct timeval tv2; /* after establishing all connections to
|
|
* the backend */
|
|
struct timeval tv3; /* end time */
|
|
|
|
int i;
|
|
|
|
fd_set input_mask;
|
|
int nsocks; /* return from select(2) */
|
|
int maxsock; /* max socket number to be waited */
|
|
|
|
#ifndef __CYGWIN__
|
|
struct rlimit rlim;
|
|
#endif
|
|
|
|
PGconn *con;
|
|
PGresult *res;
|
|
char *env;
|
|
|
|
if ((env = getenv("PGHOST")) != NULL && *env != '\0')
|
|
pghost = env;
|
|
if ((env = getenv("PGPORT")) != NULL && *env != '\0')
|
|
pgport = env;
|
|
else if ((env = getenv("PGUSER")) != NULL && *env != '\0')
|
|
login = env;
|
|
|
|
while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:U:P:CNSl")) != -1)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 'i':
|
|
is_init_mode++;
|
|
break;
|
|
case 'h':
|
|
pghost = optarg;
|
|
break;
|
|
case 'n':
|
|
is_no_vacuum++;
|
|
break;
|
|
case 'v':
|
|
is_full_vacuum++;
|
|
break;
|
|
case 'p':
|
|
pgport = optarg;
|
|
break;
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
case 'S':
|
|
ttype = 1;
|
|
break;
|
|
case 'N':
|
|
ttype = 2;
|
|
break;
|
|
case 'c':
|
|
nclients = atoi(optarg);
|
|
if (nclients <= 0 || nclients > MAXCLIENTS)
|
|
{
|
|
fprintf(stderr, "invalid number of clients: %d\n", nclients);
|
|
exit(1);
|
|
}
|
|
#ifndef __CYGWIN__
|
|
#ifdef RLIMIT_NOFILE /* most platform uses RLIMIT_NOFILE */
|
|
if (getrlimit(RLIMIT_NOFILE, &rlim) == -1)
|
|
{
|
|
#else /* but BSD doesn't ... */
|
|
if (getrlimit(RLIMIT_OFILE, &rlim) == -1)
|
|
{
|
|
#endif /* HAVE_RLIMIT_NOFILE */
|
|
fprintf(stderr, "getrlimit failed. reason: %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
if (rlim.rlim_cur <= (nclients + 2))
|
|
{
|
|
fprintf(stderr, "You need at least %d open files resource but you are only allowed to use %ld.\n", nclients + 2, (long) rlim.rlim_cur);
|
|
fprintf(stderr, "Use limit/ulimt to increase the limit before using pgbench.\n");
|
|
exit(1);
|
|
}
|
|
#endif /* #ifndef __CYGWIN__ */
|
|
break;
|
|
case 'C':
|
|
is_connect = 1;
|
|
break;
|
|
case 's':
|
|
tps = atoi(optarg);
|
|
if (tps <= 0)
|
|
{
|
|
fprintf(stderr, "invalid scaling factor: %d\n", tps);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 't':
|
|
nxacts = atoi(optarg);
|
|
if (nxacts <= 0)
|
|
{
|
|
fprintf(stderr, "invalid number of transactions: %d\n", nxacts);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'U':
|
|
login = optarg;
|
|
break;
|
|
case 'P':
|
|
pwd = optarg;
|
|
break;
|
|
case 'l':
|
|
use_log = true;
|
|
break;
|
|
default:
|
|
usage();
|
|
exit(1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (argc > optind)
|
|
dbName = argv[optind];
|
|
else
|
|
{
|
|
if ((env = getenv("PGDATABASE")) != NULL && *env != '\0')
|
|
dbName = env;
|
|
else if (login != NULL && *login != '\0')
|
|
dbName = login;
|
|
else
|
|
dbName = "";
|
|
}
|
|
|
|
if (is_init_mode)
|
|
{
|
|
init();
|
|
exit(0);
|
|
}
|
|
|
|
remains = nclients;
|
|
|
|
state = (CState *) malloc(sizeof(*state) * nclients);
|
|
memset(state, 0, sizeof(*state) * nclients);
|
|
|
|
if (use_log)
|
|
{
|
|
char logpath[64];
|
|
|
|
snprintf(logpath, 64, "pgbench_log.%d", getpid());
|
|
LOGFILE = fopen(logpath, "w");
|
|
|
|
if (LOGFILE == NULL)
|
|
{
|
|
fprintf(stderr, "Couldn't open logfile \"%s\": %s", logpath, strerror(errno));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (debug)
|
|
{
|
|
printf("pghost: %s pgport: %s nclients: %d nxacts: %d dbName: %s\n",
|
|
pghost, pgport, nclients, nxacts, dbName);
|
|
}
|
|
|
|
/* opening connection... */
|
|
con = doConnect();
|
|
if (con == NULL)
|
|
exit(1);
|
|
|
|
if (PQstatus(con) == CONNECTION_BAD)
|
|
{
|
|
fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* get the scaling factor that should be same as count(*) from
|
|
* branches...
|
|
*/
|
|
res = PQexec(con, "select count(*) from branches");
|
|
if (PQresultStatus(res) != PGRES_TUPLES_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
tps = atoi(PQgetvalue(res, 0, 0));
|
|
if (tps < 0)
|
|
{
|
|
fprintf(stderr, "count(*) from branches invalid (%d)\n", tps);
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
if (!is_no_vacuum)
|
|
{
|
|
fprintf(stderr, "starting vacuum...");
|
|
res = PQexec(con, "vacuum branches");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
res = PQexec(con, "vacuum tellers");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
res = PQexec(con, "delete from history");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
res = PQexec(con, "vacuum history");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
fprintf(stderr, "end.\n");
|
|
|
|
if (is_full_vacuum)
|
|
{
|
|
fprintf(stderr, "starting full vacuum...");
|
|
res = PQexec(con, "vacuum analyze accounts");
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
fprintf(stderr, "end.\n");
|
|
}
|
|
}
|
|
PQfinish(con);
|
|
|
|
/* set random seed */
|
|
gettimeofday(&tv1, 0);
|
|
srand((uint) tv1.tv_usec);
|
|
|
|
/* get start up time */
|
|
gettimeofday(&tv1, 0);
|
|
|
|
if (is_connect == 0)
|
|
{
|
|
/* make connections to the database */
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
state[i].id = i;
|
|
if ((state[i].con = doConnect()) == NULL)
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* time after connections set up */
|
|
gettimeofday(&tv2, 0);
|
|
|
|
/* send start up queries in async manner */
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
if (ttype == 0 || ttype == 2)
|
|
doOne(state, i, debug, ttype);
|
|
else if (ttype == 1)
|
|
doSelectOnly(state, i, debug);
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
if (remains <= 0)
|
|
{ /* all done ? */
|
|
disconnect_all(state);
|
|
/* get end time */
|
|
gettimeofday(&tv3, 0);
|
|
printResults(ttype, state, &tv1, &tv2, &tv3);
|
|
if (LOGFILE)
|
|
fclose(LOGFILE);
|
|
exit(0);
|
|
}
|
|
|
|
FD_ZERO(&input_mask);
|
|
|
|
maxsock = 0;
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
if (state[i].con)
|
|
{
|
|
int sock = PQsocket(state[i].con);
|
|
|
|
if (sock < 0)
|
|
{
|
|
fprintf(stderr, "Client %d: PQsocket failed\n", i);
|
|
disconnect_all(state);
|
|
exit(1);
|
|
}
|
|
FD_SET(sock, &input_mask);
|
|
if (maxsock < sock)
|
|
maxsock = sock;
|
|
}
|
|
}
|
|
|
|
if ((nsocks = select(maxsock + 1, &input_mask, (fd_set *) NULL,
|
|
(fd_set *) NULL, (struct timeval *) NULL)) < 0)
|
|
{
|
|
if (errno == EINTR)
|
|
continue;
|
|
/* must be something wrong */
|
|
disconnect_all(state);
|
|
fprintf(stderr, "select failed: %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
else if (nsocks == 0)
|
|
{ /* timeout */
|
|
fprintf(stderr, "select timeout\n");
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
fprintf(stderr, "client %d:state %d cnt %d ecnt %d listen %d\n",
|
|
i, state[i].state, state[i].cnt, state[i].ecnt, state[i].listen);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
/* ok, backend returns reply */
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
if (state[i].con && FD_ISSET(PQsocket(state[i].con), &input_mask))
|
|
{
|
|
if (ttype == 0 || ttype == 2)
|
|
doOne(state, i, debug, ttype);
|
|
else if (ttype == 1)
|
|
doSelectOnly(state, i, debug);
|
|
}
|
|
}
|
|
}
|
|
}
|