From afa907bca7db8ea6335d47bd02761f567591d553 Mon Sep 17 00:00:00 2001 From: Kyotaro Horiguchi Date: Tue, 30 Jun 2020 14:21:30 +0900 Subject: [PATCH v1] Make sure standby archives all segments Standby fails to archive a segment if standby is stopped just after a segment is finished or stopped just after a segment swtich. Make sure that walreceiver archives all segments by rechecking at start. --- src/backend/replication/walreceiver.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c index d1ad75da87..680154365d 100644 --- a/src/backend/replication/walreceiver.c +++ b/src/backend/replication/walreceiver.c @@ -938,6 +938,23 @@ XLogWalRcvWrite(char *buf, Size nbytes, XLogRecPtr recptr) else XLogArchiveNotify(xlogfname); } + else if (XLogArchiveMode == ARCHIVE_MODE_ALWAYS) + { + /* + * If we are starting streaming at the beginning of a segment, + * there may be casees where the previous segment have not been + * archived yet. Make sure it is archived. + */ + char xlogfname[MAXFNAMELEN]; + XLogSegNo prevseg; + + XLByteToPrevSeg(recptr, prevseg, wal_segment_size); + XLogFileName(xlogfname, ThisTimeLineID, prevseg, + wal_segment_size); + + /* Mark as ".ready" of not yet */ + XLogArchiveCheckDone(xlogfname); + } recvFile = -1; /* Create/use new log file */ -- 2.18.4