diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/src/sgml/wal.sgml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index f4083c3fe57..e3941c9391b 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -590,7 +590,11 @@ A restartpoint is triggered when a checkpoint record is reached if at least <varname>checkpoint_timeout</> seconds have passed since the last restartpoint, or if WAL size is about to exceed - <varname>max_wal_size</>. + <varname>max_wal_size</>. However, because of limitations on when a + restartpoint can be performed, <varname>max_wal_size</> is often exceeded + during recovery, by up to one checkpoint cycle's worth of WAL. + (<varname>max_wal_size</> is never a hard limit anyway, so you should + always leave plenty of headroom to avoid running out of disk space.) </para> <para> |