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Fix relcache init file invalidation during Hot Standby for the case
where a database has a non-default tablespaceid. Pass thru MyDatabaseId and MyDatabaseTableSpace to allow file path to be re-created in standby and correct invalidation to take place in all cases. Update and rework xact_commit_desc() debug messages. Bug report from Tom by code inspection. Fix by me.
This commit is contained in:
Simon Riggs
parent
a5acb7dfb9
commit
dd428c79a4
@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.284 2010/02/08 04:33:53 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.285 2010/02/13 16:15:46 sriggs Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -951,6 +951,9 @@ RecordTransactionCommit(void)
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if (forceSyncCommit)
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xlrec.xinfo |= XACT_COMPLETION_FORCE_SYNC_COMMIT;
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xlrec.dbId = MyDatabaseId;
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xlrec.tsId = MyDatabaseTableSpace;
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/*
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* Mark ourselves as within our "commit critical section". This
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* forces any concurrent checkpoint to wait until we've updated
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@ -4412,7 +4415,8 @@ xact_redo_commit(xl_xact_commit *xlrec, TransactionId xid, XLogRecPtr lsn)
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* as occurs in .
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*/
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ProcessCommittedInvalidationMessages(inval_msgs, xlrec->nmsgs,
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XactCompletionRelcacheInitFileInval(xlrec));
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XactCompletionRelcacheInitFileInval(xlrec),
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xlrec->dbId, xlrec->tsId);
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/*
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* Release locks, if any. We do this for both two phase and normal
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@ -4596,15 +4600,11 @@ xact_desc_commit(StringInfo buf, xl_xact_commit *xlrec)
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{
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int i;
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TransactionId *xacts;
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SharedInvalidationMessage *msgs;
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xacts = (TransactionId *) &xlrec->xnodes[xlrec->nrels];
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msgs = (SharedInvalidationMessage *) &xacts[xlrec->nsubxacts];
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if (XactCompletionRelcacheInitFileInval(xlrec))
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appendStringInfo(buf, "; relcache init file inval");
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appendStringInfoString(buf, timestamptz_to_str(xlrec->xact_time));
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if (xlrec->nrels > 0)
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{
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appendStringInfo(buf, "; rels:");
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@ -4624,6 +4624,14 @@ xact_desc_commit(StringInfo buf, xl_xact_commit *xlrec)
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}
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if (xlrec->nmsgs > 0)
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{
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SharedInvalidationMessage *msgs;
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msgs = (SharedInvalidationMessage *) &xacts[xlrec->nsubxacts];
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if (XactCompletionRelcacheInitFileInval(xlrec))
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appendStringInfo(buf, "; relcache init file inval dbid %u tsid %u",
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xlrec->dbId, xlrec->tsId);
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appendStringInfo(buf, "; inval msgs:");
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for (i = 0; i < xlrec->nmsgs; i++)
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{
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84
src/backend/utils/cache/inval.c
vendored
84
src/backend/utils/cache/inval.c
vendored
@ -80,7 +80,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.95 2010/02/08 04:33:54 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.96 2010/02/13 16:15:47 sriggs Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -861,15 +861,6 @@ xactGetCommittedInvalidationMessages(SharedInvalidationMessage **msgs,
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* ProcessCommittedInvalidationMessages is executed by xact_redo_commit()
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* to process invalidation messages added to commit records.
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*
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* If we have to invalidate the relcache init file we need to extract
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* the database id from each message so we can correctly locate the database
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* path and so remove that database's init file. We note that the relcache
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* only contains entries for catalog tables from a single database, or
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* shared relations. There are smgr invalidations that reference other
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* databases but they never cause relcache file invalidations.
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* So we only need to access either global or default tablespaces and
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* never have need to scan pg_database to discover tablespace oids.
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*
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* Relcache init file invalidation requires processing both
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* before and after we send the SI messages. See AtEOXact_Inval()
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*
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@ -879,79 +870,22 @@ xactGetCommittedInvalidationMessages(SharedInvalidationMessage **msgs,
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*/
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void
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ProcessCommittedInvalidationMessages(SharedInvalidationMessage *msgs,
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int nmsgs, bool RelcacheInitFileInval)
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int nmsgs, bool RelcacheInitFileInval,
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Oid dbid, Oid tsid)
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{
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Oid dboid = 0;
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bool invalidate_global = false;
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if (nmsgs > 0)
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elog(trace_recovery(DEBUG4), "replaying commit with %d messages%s", nmsgs,
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(RelcacheInitFileInval ? " and relcache file invalidation" : ""));
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else
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if (nmsgs <= 0)
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return;
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elog(trace_recovery(DEBUG4), "replaying commit with %d messages%s", nmsgs,
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(RelcacheInitFileInval ? " and relcache file invalidation" : ""));
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if (RelcacheInitFileInval)
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{
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int i;
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/*
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* Check messages to record dboid
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*/
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for (i = 0; i < nmsgs; i++)
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{
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SharedInvalidationMessage *inval_msg = &(msgs[i]);
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Oid loop_dboid = 0;
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/*
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* Extract the database Oid from the message
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*/
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if (inval_msg->id >= 0)
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loop_dboid = inval_msg->cc.dbId;
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else if (inval_msg->id == SHAREDINVALRELCACHE_ID)
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loop_dboid = inval_msg->rc.dbId;
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else
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{
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/*
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* Invalidation message is a catalog or nontransactional inval,
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* which never cause relcache file invalidation,
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* so we ignore them, no matter which db they're for.
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*/
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continue;
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}
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if (loop_dboid == 0)
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invalidate_global = true;
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else
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{
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Assert(dboid == 0 || dboid == loop_dboid);
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dboid = loop_dboid;
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}
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}
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/*
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* If shared, dboid will be the global tablespace, otherwise it will
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* be a local catalog relation in the default tablespace.
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*/
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if (invalidate_global)
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RecoveryRelationCacheInitFileInvalidate(0, GLOBALTABLESPACE_OID, true);
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if (dboid != 0)
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RecoveryRelationCacheInitFileInvalidate(dboid, DEFAULTTABLESPACE_OID, true);
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}
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RecoveryRelationCacheInitFileInvalidate(dbid, tsid, true);
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SendSharedInvalidMessages(msgs, nmsgs);
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if (RelcacheInitFileInval)
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{
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/*
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* Second invalidation, very similar to above. See RelationCacheInitFileInvalidate()
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*/
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if (invalidate_global)
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RecoveryRelationCacheInitFileInvalidate(0, GLOBALTABLESPACE_OID, false);
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if (dboid != 0)
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RecoveryRelationCacheInitFileInvalidate(dboid, DEFAULTTABLESPACE_OID, false);
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}
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RecoveryRelationCacheInitFileInvalidate(dbid, tsid, false);
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}
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/*
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/access/xact.h,v 1.101 2010/02/08 04:33:54 tgl Exp $
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* $PostgreSQL: pgsql/src/include/access/xact.h,v 1.102 2010/02/13 16:15:47 sriggs Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -102,6 +102,8 @@ typedef struct xl_xact_commit
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int nrels; /* number of RelFileNodes */
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int nsubxacts; /* number of subtransaction XIDs */
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int nmsgs; /* number of shared inval msgs */
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Oid dbId; /* MyDatabaseId */
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Oid tsId; /* MyDatabaseTableSpace */
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/* Array of RelFileNode(s) to drop at commit */
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RelFileNode xnodes[1]; /* VARIABLE LENGTH ARRAY */
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/* ARRAY OF COMMITTED SUBTRANSACTION XIDs FOLLOWS */
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@ -119,7 +121,7 @@ typedef struct xl_xact_commit
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* transaction completion.
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*/
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#define XACT_COMPLETION_UPDATE_RELCACHE_FILE 0x01
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#define XACT_COMPLETION_FORCE_SYNC_COMMIT 0x04
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#define XACT_COMPLETION_FORCE_SYNC_COMMIT 0x02
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/* Access macros for above flags */
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#define XactCompletionRelcacheInitFileInval(xlrec) ((xlrec)->xinfo & XACT_COMPLETION_UPDATE_RELCACHE_FILE)
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/storage/sinval.h,v 1.57 2010/02/07 20:48:13 tgl Exp $
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* $PostgreSQL: pgsql/src/include/storage/sinval.h,v 1.58 2010/02/13 16:15:48 sriggs Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -134,6 +134,7 @@ extern bool DisableCatchupInterrupt(void);
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extern int xactGetCommittedInvalidationMessages(SharedInvalidationMessage **msgs,
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bool *RelcacheInitFileInval);
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extern void ProcessCommittedInvalidationMessages(SharedInvalidationMessage *msgs,
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int nmsgs, bool RelcacheInitFileInval);
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int nmsgs, bool RelcacheInitFileInval,
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Oid dbid, Oid tsid);
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#endif /* SINVAL_H */
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