Remove trace_recovery_messages
This GUC was intended as a debugging help in the 9.0 area when hot standby and streaming replication were being developped, able to offer more information at LOG level rather than DEBUGn. There are more tools available these days that are able to offer rather equivalent information, like pg_waldump introduced in 9.3. It is not obvious how this facility is useful these days, so let's remove it. Author: Bharath Rupireddy Discussion: https://postgr.es/m/ZXEXEAUVFrvpquSd@paquier.xyz
This commit is contained in:
Michael Paquier
parent
8d7d2197f3
commit
c7a3e6b46d
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@ -11216,32 +11216,6 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
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</listitem>
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</varlistentry>
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<varlistentry id="guc-trace-recovery-messages" xreflabel="trace_recovery_messages">
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<term><varname>trace_recovery_messages</varname> (<type>enum</type>)
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<indexterm>
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<primary><varname>trace_recovery_messages</varname> configuration parameter</primary>
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</indexterm>
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</term>
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<listitem>
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<para>
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Enables logging of recovery-related debugging output that otherwise
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would not be logged. This parameter allows the user to override the
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normal setting of <xref linkend="guc-log-min-messages"/>, but only for
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specific messages. This is intended for use in debugging hot standby.
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Valid values are <literal>DEBUG5</literal>, <literal>DEBUG4</literal>,
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<literal>DEBUG3</literal>, <literal>DEBUG2</literal>, <literal>DEBUG1</literal>, and
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<literal>LOG</literal>. The default, <literal>LOG</literal>, does not affect
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logging decisions at all. The other values cause recovery-related
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debug messages of that priority or higher to be logged as though they
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had <literal>LOG</literal> priority; for common settings of
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<varname>log_min_messages</varname> this results in unconditionally sending
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them to the server log.
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This parameter can only be set in the <filename>postgresql.conf</filename>
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file or on the server command line.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry id="guc-trace-sort" xreflabel="trace_sort">
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<term><varname>trace_sort</varname> (<type>boolean</type>)
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<indexterm>
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@ -7213,7 +7213,7 @@ RecoveryRestartPoint(const CheckPoint *checkPoint, XLogReaderState *record)
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*/
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if (XLogHaveInvalidPages())
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{
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elog(trace_recovery(DEBUG2),
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elog(DEBUG2,
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"could not record restart point at %X/%X because there "
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"are unresolved references to invalid pages",
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LSN_FORMAT_ARGS(checkPoint->redo));
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@ -1704,9 +1704,7 @@ PerformWalRecovery(void)
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LSN_FORMAT_ARGS(xlogreader->ReadRecPtr));
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#ifdef WAL_DEBUG
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if (XLOG_DEBUG ||
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(record->xl_rmid == RM_XACT_ID && trace_recovery_messages <= DEBUG2) ||
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(record->xl_rmid != RM_XACT_ID && trace_recovery_messages <= DEBUG3))
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if (XLOG_DEBUG)
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{
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StringInfoData buf;
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@ -1109,11 +1109,11 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running)
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running->oldestRunningXid))
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{
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standbyState = STANDBY_SNAPSHOT_READY;
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elog(trace_recovery(DEBUG1),
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elog(DEBUG1,
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"recovery snapshots are now enabled");
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}
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else
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elog(trace_recovery(DEBUG1),
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elog(DEBUG1,
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"recovery snapshot waiting for non-overflowed snapshot or "
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"until oldest active xid on standby is at least %u (now %u)",
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standbySnapshotPendingXmin,
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@ -1208,7 +1208,7 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running)
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KnownAssignedXidsAdd(xids[i], xids[i], true);
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}
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KnownAssignedXidsDisplay(trace_recovery(DEBUG3));
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KnownAssignedXidsDisplay(DEBUG3);
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}
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pfree(xids);
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@ -1280,11 +1280,11 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running)
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Assert(FullTransactionIdIsValid(TransamVariables->nextXid));
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KnownAssignedXidsDisplay(trace_recovery(DEBUG3));
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KnownAssignedXidsDisplay(DEBUG3);
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if (standbyState == STANDBY_SNAPSHOT_READY)
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elog(trace_recovery(DEBUG1), "recovery snapshots are now enabled");
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elog(DEBUG1, "recovery snapshots are now enabled");
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else
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elog(trace_recovery(DEBUG1),
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elog(DEBUG1,
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"recovery snapshot waiting for non-overflowed snapshot or "
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"until oldest active xid on standby is at least %u (now %u)",
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standbySnapshotPendingXmin,
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@ -4339,7 +4339,7 @@ RecordKnownAssignedTransactionIds(TransactionId xid)
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Assert(TransactionIdIsValid(xid));
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Assert(TransactionIdIsValid(latestObservedXid));
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elog(trace_recovery(DEBUG4), "record known xact %u latestObservedXid %u",
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elog(DEBUG4, "record known xact %u latestObservedXid %u",
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xid, latestObservedXid);
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/*
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@ -4897,7 +4897,7 @@ KnownAssignedXidsRemove(TransactionId xid)
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{
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Assert(TransactionIdIsValid(xid));
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elog(trace_recovery(DEBUG4), "remove KnownAssignedXid %u", xid);
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elog(DEBUG4, "remove KnownAssignedXid %u", xid);
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/*
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* Note: we cannot consider it an error to remove an XID that's not
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@ -4951,13 +4951,13 @@ KnownAssignedXidsRemovePreceding(TransactionId removeXid)
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if (!TransactionIdIsValid(removeXid))
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{
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elog(trace_recovery(DEBUG4), "removing all KnownAssignedXids");
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elog(DEBUG4, "removing all KnownAssignedXids");
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pArray->numKnownAssignedXids = 0;
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pArray->headKnownAssignedXids = pArray->tailKnownAssignedXids = 0;
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return;
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}
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elog(trace_recovery(DEBUG4), "prune KnownAssignedXids to %u", removeXid);
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elog(DEBUG4, "prune KnownAssignedXids to %u", removeXid);
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/*
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* Mark entries invalid starting at the tail. Since array is sorted, we
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@ -997,8 +997,7 @@ StandbyAcquireAccessExclusiveLock(TransactionId xid, Oid dbOid, Oid relOid)
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TransactionIdDidAbort(xid))
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return;
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elog(trace_recovery(DEBUG4),
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"adding recovery lock: db %u rel %u", dbOid, relOid);
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elog(DEBUG4, "adding recovery lock: db %u rel %u", dbOid, relOid);
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/* dbOid is InvalidOid when we are locking a shared relation. */
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Assert(OidIsValid(relOid));
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@ -1042,7 +1041,7 @@ StandbyReleaseXidEntryLocks(RecoveryLockXidEntry *xidentry)
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{
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LOCKTAG locktag;
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elog(trace_recovery(DEBUG4),
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elog(DEBUG4,
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"releasing recovery lock: xid %u db %u rel %u",
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entry->key.xid, entry->key.dbOid, entry->key.relOid);
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/* Release the lock ... */
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@ -1109,7 +1108,7 @@ StandbyReleaseAllLocks(void)
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HASH_SEQ_STATUS status;
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RecoveryLockXidEntry *entry;
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elog(trace_recovery(DEBUG2), "release all standby locks");
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elog(DEBUG2, "release all standby locks");
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hash_seq_init(&status, RecoveryLockXidHash);
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while ((entry = hash_seq_search(&status)))
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@ -1369,7 +1368,7 @@ LogCurrentRunningXacts(RunningTransactions CurrRunningXacts)
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recptr = XLogInsert(RM_STANDBY_ID, XLOG_RUNNING_XACTS);
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if (CurrRunningXacts->subxid_overflow)
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elog(trace_recovery(DEBUG2),
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elog(DEBUG2,
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"snapshot of %d running transactions overflowed (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
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CurrRunningXacts->xcnt,
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LSN_FORMAT_ARGS(recptr),
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@ -1377,7 +1376,7 @@ LogCurrentRunningXacts(RunningTransactions CurrRunningXacts)
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CurrRunningXacts->latestCompletedXid,
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CurrRunningXacts->nextXid);
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else
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elog(trace_recovery(DEBUG2),
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elog(DEBUG2,
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"snapshot of %d+%d running transaction ids (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
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CurrRunningXacts->xcnt, CurrRunningXacts->subxcnt,
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LSN_FORMAT_ARGS(recptr),
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@ -966,13 +966,12 @@ ProcessCommittedInvalidationMessages(SharedInvalidationMessage *msgs,
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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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elog(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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elog(trace_recovery(DEBUG4), "removing relcache init files for database %u",
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dbid);
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elog(DEBUG4, "removing relcache init files for database %u", dbid);
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/*
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* RelationCacheInitFilePreInvalidate, when the invalidation message
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@ -3759,29 +3759,3 @@ write_stderr_signal_safe(const char *str)
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nwritten += rc;
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}
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}
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/*
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* Adjust the level of a recovery-related message per trace_recovery_messages.
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*
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* The argument is the default log level of the message, eg, DEBUG2. (This
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* should only be applied to DEBUGn log messages, otherwise it's a no-op.)
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* If the level is >= trace_recovery_messages, we return LOG, causing the
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* message to be logged unconditionally (for most settings of
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* log_min_messages). Otherwise, we return the argument unchanged.
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* The message will then be shown based on the setting of log_min_messages.
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*
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* Intention is to keep this for at least the whole of the 9.0 production
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* release, so we can more easily diagnose production problems in the field.
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* It should go away eventually, though, because it's an ugly and
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* hard-to-explain kluge.
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*/
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int
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trace_recovery(int trace_level)
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{
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if (trace_level < LOG &&
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trace_level >= trace_recovery_messages)
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return LOG;
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return trace_level;
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}
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@ -525,7 +525,6 @@ int log_parameter_max_length_on_error = 0;
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int log_temp_files = -1;
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double log_statement_sample_rate = 1.0;
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double log_xact_sample_rate = 0;
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int trace_recovery_messages = LOG;
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char *backtrace_functions;
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int temp_file_limit = -1;
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@ -4780,23 +4779,6 @@ struct config_enum ConfigureNamesEnum[] =
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NULL, NULL, NULL
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},
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{
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{"trace_recovery_messages", PGC_SIGHUP, DEVELOPER_OPTIONS,
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gettext_noop("Enables logging of recovery-related debugging information."),
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gettext_noop("Each level includes all the levels that follow it. The later"
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" the level, the fewer messages are sent."),
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GUC_NOT_IN_SAMPLE,
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},
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&trace_recovery_messages,
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/*
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* client_message_level_options allows too many values, really, but
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* it's not worth having a separate options array for this.
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*/
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LOG, client_message_level_options,
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NULL, NULL, NULL
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},
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{
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{"track_functions", PGC_SUSET, STATS_CUMULATIVE,
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gettext_noop("Collects function-level statistics on database activity."),
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@ -302,10 +302,6 @@ extern void PreventCommandIfReadOnly(const char *cmdname);
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extern void PreventCommandIfParallelMode(const char *cmdname);
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extern void PreventCommandDuringRecovery(const char *cmdname);
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/* in utils/misc/guc_tables.c */
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extern PGDLLIMPORT int trace_recovery_messages;
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extern int trace_recovery(int trace_level);
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/*****************************************************************************
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* pdir.h -- *
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* POSTGRES directory path definitions. *
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