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Diffstat (limited to 'src/backend/replication/walsender.c')
| -rw-r--r-- | src/backend/replication/walsender.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c index 4bd4bb7aa0d..a72424a861e 100644 --- a/src/backend/replication/walsender.c +++ b/src/backend/replication/walsender.c @@ -2065,6 +2065,10 @@ PhysicalConfirmReceivedLocation(XLogRecPtr lsn) * be energy wasted - the worst lost information can do here is give us * wrong information in a statistics view - we'll just potentially be more * conservative in removing files. + * + * Checkpointer makes special efforts to keep the WAL segments required by + * the restart_lsn written to the disk. See CreateCheckPoint() and + * CreateRestartPoint() for details. */ } |