mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-10-02 19:36:52 +02:00
Fix trivial mistake in README.
You might think I (Robert) could manage to count to five without messing it up, but if you did, you would be wrong. Amit Kapila Discussion: http://postgr.es/m/CAA4eK1JxqqcuC5Un7YLQVhOYSZBS+t=3xqZuEkt5RyquyuxpwQ@mail.gmail.com
This commit is contained in:
parent
899bd785c0
commit
79a4a665c0
@ -434,7 +434,7 @@ concurrent scan could start in that bucket before we've finished vacuuming it.
|
|||||||
If a scan gets ahead of cleanup, we could have the following problem: (1) the
|
If a scan gets ahead of cleanup, we could have the following problem: (1) the
|
||||||
scan sees heap TIDs that are about to be removed before they are processed by
|
scan sees heap TIDs that are about to be removed before they are processed by
|
||||||
VACUUM, (2) the scan decides that one or more of those TIDs are dead, (3)
|
VACUUM, (2) the scan decides that one or more of those TIDs are dead, (3)
|
||||||
VACUUM completes, (3) one or more of the TIDs the scan decided were dead are
|
VACUUM completes, (4) one or more of the TIDs the scan decided were dead are
|
||||||
reused for an unrelated tuple, and finally (5) the scan wakes up and
|
reused for an unrelated tuple, and finally (5) the scan wakes up and
|
||||||
erroneously kills the new tuple.
|
erroneously kills the new tuple.
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user