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pg_upgrade: remove reference to autovacuum_multixact_freeze_max_age
autovacuum_multixact_freeze_max_age was added as a pg_ctl start parameter in 9.3.X to prevent autovacuum from running. However, only some 9.3.X releases have autovacuum_multixact_freeze_max_age as it was added in a minor PG 9.3 release. It also isn't needed because -b turns off autovacuum in 9.1+. Without this fix, trying to upgrade from an early 9.3 release to 9.4 would fail. Report by EDB Backpatch through 9.3
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@ -202,12 +202,13 @@ start_postmaster(ClusterInfo *cluster, bool throw_error)
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#endif
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#endif
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/*
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/*
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* Using autovacuum=off disables cleanup vacuum and analyze, but freeze
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* Since PG 9.1, we have used -b to disable autovacuum. For earlier
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* vacuums can still happen, so we set autovacuum_freeze_max_age and
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* releases, setting autovacuum=off disables cleanup vacuum and analyze,
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* autovacuum_multixact_freeze_max_age to their maximums. We assume all
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* but freeze vacuums can still happen, so we set autovacuum_freeze_max_age
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* datfrozenxid, relfrozenxid, and relminmxid values are less than a gap
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* to its maximum. (autovacuum_multixact_freeze_max_age was introduced
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* of 2000000000 from the current xid counter, so autovacuum will not
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* after 9.1, so there is no need to set that.) We assume all datfrozenxid
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* touch them.
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* and relfrozenxid values are less than a gap of 2000000000 from the current
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* xid counter, so autovacuum will not touch them.
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*
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*
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* Turn off durability requirements to improve object creation speed, and
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* Turn off durability requirements to improve object creation speed, and
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* we only modify the new cluster, so only use it there. If there is a
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* we only modify the new cluster, so only use it there. If there is a
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@ -215,13 +216,11 @@ start_postmaster(ClusterInfo *cluster, bool throw_error)
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* win on ext4.
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* win on ext4.
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*/
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*/
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snprintf(cmd, sizeof(cmd),
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snprintf(cmd, sizeof(cmd),
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"\"%s/pg_ctl\" -w -l \"%s\" -D \"%s\" -o \"-p %d%s%s %s%s%s\" start",
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"\"%s/pg_ctl\" -w -l \"%s\" -D \"%s\" -o \"-p %d%s%s %s%s\" start",
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cluster->bindir, SERVER_LOG_FILE, cluster->pgconfig, cluster->port,
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cluster->bindir, SERVER_LOG_FILE, cluster->pgconfig, cluster->port,
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(cluster->controldata.cat_ver >=
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(cluster->controldata.cat_ver >=
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BINARY_UPGRADE_SERVER_FLAG_CAT_VER) ? " -b" :
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BINARY_UPGRADE_SERVER_FLAG_CAT_VER) ? " -b" :
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" -c autovacuum=off -c autovacuum_freeze_max_age=2000000000",
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" -c autovacuum=off -c autovacuum_freeze_max_age=2000000000",
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(GET_MAJOR_VERSION(cluster->major_version) >= 903) ?
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" -c autovacuum_multixact_freeze_max_age=2000000000" : "",
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(cluster == &new_cluster) ?
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(cluster == &new_cluster) ?
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" -c synchronous_commit=off -c fsync=off -c full_page_writes=off" : "",
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" -c synchronous_commit=off -c fsync=off -c full_page_writes=off" : "",
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cluster->pgopts ? cluster->pgopts : "", socket_string);
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cluster->pgopts ? cluster->pgopts : "", socket_string);
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