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Minor but necessary improvements to WAL keepalives

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Fujii Masao
This commit is contained in:
Simon Riggs 2012-01-13 12:59:08 +00:00
parent 21b446dd09
commit 3f1787c253
2 changed files with 7 additions and 1 deletions
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3
src/backend/replication/walreceiver.c
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@ -750,7 +750,8 @@ ProcessWalSndrMessage(XLogRecPtr walEnd, TimestampTz sendTime)
walrcv->lastMsgReceiptTime = lastMsgReceiptTime;
SpinLockRelease(&walrcv->mutex);
elog(DEBUG2, "sendtime %s receipttime %s replication apply delay %d transfer latency %d",
if (log_min_mesages <= DEBUG2)
elog(DEBUG2, "sendtime %s receipttime %s replication apply delay %d ms transfer latency %d ms",
timestamptz_to_str(sendTime),
timestamptz_to_str(lastMsgReceiptTime),
GetReplicationApplyDelay(),

5
src/backend/replication/walsender.c
View File

@ -834,7 +834,12 @@ WalSndLoop(void)
if (pq_is_send_pending())
wakeEvents |= WL_SOCKET_WRITEABLE;
else
{
WalSndKeepalive(output_message);
/* Try to flush pending output to the client */
if (pq_flush_if_writable() != 0)
break;
}
/* Determine time until replication timeout */
if (replication_timeout > 0)