diff options
Diffstat (limited to 'src/backend/access/transam/xlog.c')
-rw-r--r-- | src/backend/access/transam/xlog.c | 64 |
1 files changed, 23 insertions, 41 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index a8cc6402d62..88fb9b45b2a 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -2347,25 +2347,6 @@ 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. */ @@ -6505,7 +6486,7 @@ PerformRecoveryXLogAction(void) else { RequestCheckpoint(CHECKPOINT_END_OF_RECOVERY | - CHECKPOINT_IMMEDIATE | + CHECKPOINT_FAST | CHECKPOINT_WAIT); } @@ -6814,7 +6795,7 @@ ShutdownXLOG(int code, Datum arg) WalSndWaitStopping(); if (RecoveryInProgress()) - CreateRestartPoint(CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_IMMEDIATE); + CreateRestartPoint(CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_FAST); else { /* @@ -6826,7 +6807,7 @@ ShutdownXLOG(int code, Datum arg) if (XLogArchivingActive()) RequestXLogSwitch(false); - CreateCheckPoint(CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_IMMEDIATE); + CreateCheckPoint(CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_FAST); } } @@ -6842,24 +6823,24 @@ LogCheckpointStart(int flags, bool restartpoint) (errmsg("restartpoint starting:%s%s%s%s%s%s%s%s", (flags & CHECKPOINT_IS_SHUTDOWN) ? " shutdown" : "", (flags & CHECKPOINT_END_OF_RECOVERY) ? " end-of-recovery" : "", - (flags & CHECKPOINT_IMMEDIATE) ? " immediate" : "", + (flags & CHECKPOINT_FAST) ? " fast" : "", (flags & CHECKPOINT_FORCE) ? " force" : "", (flags & CHECKPOINT_WAIT) ? " wait" : "", (flags & CHECKPOINT_CAUSE_XLOG) ? " wal" : "", (flags & CHECKPOINT_CAUSE_TIME) ? " time" : "", - (flags & CHECKPOINT_FLUSH_ALL) ? " flush-all" : ""))); + (flags & CHECKPOINT_FLUSH_UNLOGGED) ? " flush-unlogged" : ""))); else ereport(LOG, /* translator: the placeholders show checkpoint options */ (errmsg("checkpoint starting:%s%s%s%s%s%s%s%s", (flags & CHECKPOINT_IS_SHUTDOWN) ? " shutdown" : "", (flags & CHECKPOINT_END_OF_RECOVERY) ? " end-of-recovery" : "", - (flags & CHECKPOINT_IMMEDIATE) ? " immediate" : "", + (flags & CHECKPOINT_FAST) ? " fast" : "", (flags & CHECKPOINT_FORCE) ? " force" : "", (flags & CHECKPOINT_WAIT) ? " wait" : "", (flags & CHECKPOINT_CAUSE_XLOG) ? " wal" : "", (flags & CHECKPOINT_CAUSE_TIME) ? " time" : "", - (flags & CHECKPOINT_FLUSH_ALL) ? " flush-all" : ""))); + (flags & CHECKPOINT_FLUSH_UNLOGGED) ? " flush-unlogged" : ""))); } /* @@ -7042,12 +7023,12 @@ update_checkpoint_display(int flags, bool restartpoint, bool reset) * flags is a bitwise OR of the following: * CHECKPOINT_IS_SHUTDOWN: checkpoint is for database shutdown. * CHECKPOINT_END_OF_RECOVERY: checkpoint is for end of WAL recovery. - * CHECKPOINT_IMMEDIATE: finish the checkpoint ASAP, - * ignoring checkpoint_completion_target parameter. + * CHECKPOINT_FAST: finish the checkpoint ASAP, ignoring + * checkpoint_completion_target parameter. * CHECKPOINT_FORCE: force a checkpoint even if no XLOG activity has occurred * since the last one (implied by CHECKPOINT_IS_SHUTDOWN or * CHECKPOINT_END_OF_RECOVERY). - * CHECKPOINT_FLUSH_ALL: also flush buffers of unlogged tables. + * CHECKPOINT_FLUSH_UNLOGGED: also flush buffers of unlogged tables. * * Note: flags contains other bits, of interest here only for logging purposes. * In particular note that this routine is synchronous and does not pay @@ -8150,17 +8131,19 @@ KeepLogSeg(XLogRecPtr recptr, XLogSegNo *logSegNo) XLByteToSeg(recptr, currSegNo, wal_segment_size); segno = currSegNo; - /* - * Calculate how many segments are kept by slots first, adjusting for - * max_slot_wal_keep_size. - */ + /* Calculate how many segments are kept by slots. */ keep = XLogGetReplicationSlotMinimumLSN(); if (keep != InvalidXLogRecPtr && keep < recptr) { XLByteToSeg(keep, segno, wal_segment_size); - /* Cap by max_slot_wal_keep_size ... */ - if (max_slot_wal_keep_size_mb >= 0) + /* + * Account for max_slot_wal_keep_size to avoid keeping more than + * configured. However, don't do that during a binary upgrade: if + * slots were to be invalidated because of this, it would not be + * possible to preserve logical ones during the upgrade. + */ + if (max_slot_wal_keep_size_mb >= 0 && !IsBinaryUpgrade) { uint64 slot_keep_segs; @@ -8946,9 +8929,8 @@ issue_xlog_fsync(int fd, XLogSegNo segno, TimeLineID tli) * backup state and tablespace map. * * Input parameters are "state" (the backup state), "fast" (if true, we do - * the checkpoint in immediate mode to make it faster), and "tablespaces" - * (if non-NULL, indicates a list of tablespaceinfo structs describing the - * cluster's tablespaces.). + * the checkpoint in fast mode), and "tablespaces" (if non-NULL, indicates a + * list of tablespaceinfo structs describing the cluster's tablespaces.). * * The tablespace map contents are appended to passed-in parameter * tablespace_map and the caller is responsible for including it in the backup @@ -9076,11 +9058,11 @@ do_pg_backup_start(const char *backupidstr, bool fast, List **tablespaces, * during recovery means that checkpointer is running, we can use * RequestCheckpoint() to establish a restartpoint. * - * We use CHECKPOINT_IMMEDIATE only if requested by user (via - * passing fast = true). Otherwise this can take awhile. + * We use CHECKPOINT_FAST only if requested by user (via passing + * fast = true). Otherwise this can take awhile. */ RequestCheckpoint(CHECKPOINT_FORCE | CHECKPOINT_WAIT | - (fast ? CHECKPOINT_IMMEDIATE : 0)); + (fast ? CHECKPOINT_FAST : 0)); /* * Now we need to fetch the checkpoint record location, and also |