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Comment changes to show bgwriter no longer performs checkpoints.

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This commit is contained in:
Simon Riggs
2011-11-01 18:48:47 +00:00
parent 3ba182056f
commit f3ebaad45b
4 changed files with 10 additions and 15 deletions
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8
src/backend/commands/dbcommands.c
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@ -847,7 +847,7 @@ dropdb(const char *dbname, bool missing_ok)
pgstat_drop_database(db_id);
/*
* Tell bgwriter to forget any pending fsync and unlink requests for files
* Tell checkpointer to forget any pending fsync and unlink requests for files
* in the database; else the fsyncs will fail at next checkpoint, or
* worse, it will delete files that belong to a newly created database
* with the same OID.
@ -855,9 +855,9 @@ dropdb(const char *dbname, bool missing_ok)
ForgetDatabaseFsyncRequests(db_id);
/*
* Force a checkpoint to make sure the bgwriter has received the message
* Force a checkpoint to make sure the checkpointer has received the message
* sent by ForgetDatabaseFsyncRequests. On Windows, this also ensures that
* the bgwriter doesn't hold any open files, which would cause rmdir() to
* background procs don't hold any open files, which would cause rmdir() to
* fail.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
@ -1088,7 +1088,7 @@ movedb(const char *dbname, const char *tblspcname)
* process any pending unlink requests. Otherwise, the check for existing
* files in the target directory might fail unnecessarily, not to mention
* that the copy might fail due to source files getting deleted under it.
* On Windows, this also ensures that the bgwriter doesn't hold any open
* On Windows, this also ensures that background procs don't hold any open
* files, which would cause rmdir() to fail.
*/
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);