diff options
Diffstat (limited to 'src/bin/pg_basebackup/pg_receivexlog.c')
| -rw-r--r-- | src/bin/pg_basebackup/pg_receivexlog.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/bin/pg_basebackup/pg_receivexlog.c b/src/bin/pg_basebackup/pg_receivexlog.c index e4da799d1fd..fa0ac5184c1 100644 --- a/src/bin/pg_basebackup/pg_receivexlog.c +++ b/src/bin/pg_basebackup/pg_receivexlog.c @@ -83,10 +83,12 @@ stop_streaming(XLogRecPtr xlogpos, uint32 timeline, bool segment_finished) timeline); /* - * Note that we report the previous, not current, position here. That's - * the exact location where the timeline switch happend. After the switch, - * we restart streaming from the beginning of the segment, so xlogpos can - * smaller than prevpos if we just switched to new timeline. + * Note that we report the previous, not current, position here. After a + * timeline switch, xlogpos points to the beginning of the segment because + * that's where we always begin streaming. Reporting the end of previous + * timeline isn't totally accurate, because the next timeline can begin + * slightly before the end of the WAL that we received on the previous + * timeline, but it's close enough for reporting purposes. */ if (prevtimeline != 0 && prevtimeline != timeline) fprintf(stderr, _("%s: switched to timeline %u at %X/%X\n"), |