diff options
Diffstat (limited to 'src/backend/access/transam/xlog.c')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index b541be8eec2..1159dff1a69 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -2064,6 +2064,25 @@ check_wal_segment_size(int *newval, void **extra, GucSource source) } /* + * GUC check_hook for max_slot_wal_keep_size + * + * We don't allow the value of max_slot_wal_keep_size other than -1 during the + * binary upgrade. See start_postmaster() in pg_upgrade for more details. + */ +bool +check_max_slot_wal_keep_size(int *newval, void **extra, GucSource source) +{ + if (IsBinaryUpgrade && *newval != -1) + { + GUC_check_errdetail("\"%s\" must be set to -1 during binary upgrade mode.", + "max_slot_wal_keep_size"); + return false; + } + + return true; +} + +/* * At a checkpoint, how many WAL segments to recycle as preallocated future * XLOG segments? Returns the highest segment that should be preallocated. */ |