db/pgbackrest
1
0
Fork 0
mirror of https://github.com/pgbackrest/pgbackrest.git synced 2025-02-21 19:48:29 +02:00
Code Issues Releases Activity

Improve comment on forced WAL switch at backup start.

Browse Source
This commit is contained in:
David Steele 2022-12-27 09:18:17 +07:00
parent a63e87ea2c
commit 0b67389185
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/db/db.c
View File

@ -431,14 +431,13 @@ dbBackupStart(Db *const this, const bool startFast, const bool stopAuto, const b
strZ(lsnStart));
}
// If archive check then make sure WAL segment was switched on start backup
// If archive check then make sure WAL segment was switched on start backup. The WAL segment might not have been switched if
// a switch occurred before the backup and nothing was written since then. In this case, force a switch so we can verify
// that archiving is functional before starting the backup.
const String *const walSegmentName = pckReadStrP(read);
if (archiveCheck && strEq(walSegmentCheck, walSegmentName))
{
// Force a WAL switch
dbWalSwitch(this);
}
// Check that the WAL timeline matches what is in pg_control
if (pgTimelineFromWalSegment(walSegmentName) != dbPgControl(this).timeline)