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ITS#8226 optimization

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Don't release read txn unless there has actually been a new write txn
This commit is contained in:
Howard Chu 2017-08-01 22:08:50 +01:00
parent 9827569ff0
commit 221dd43399
1 changed files with 4 additions and 1 deletions
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5
servers/slapd/back-mdb/search.c
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@ -1125,8 +1125,11 @@ loop_continue:
if ( moi == &opinfo && !wwctx.flag && mdb->mi_rtxn_size ) {
wwctx.nentries++;
if ( wwctx.nentries >= mdb->mi_rtxn_size ) {
MDB_envinfo ei;
wwctx.nentries = 0;
mdb_rtxn_snap( op, &wwctx );
mdb_env_info(mdb->mi_dbenv, &ei);
if ( ei.me_last_txnid > mdb_txn_id( ltid ))
mdb_rtxn_snap( op, &wwctx );
}
}
if ( wwctx.flag ) {