Re: new journaling system in OSX
От | Bruce Momjian |
---|---|
Тема | Re: new journaling system in OSX |
Дата | |
Msg-id | 200211151508.gAFF8F825863@candle.pha.pa.us обсуждение исходный текст |
Ответ на | new journaling system in OSX (Theodore Petrosky <tedpet5@yahoo.com>) |
Список | pgsql-bugs |
Theodore Petrosky wrote: > I just upgraded to system 10.2.2 for Mac OSX. I saw in > the documentation that they have added a new > Journaling File System so on a lark I turned it on. > > I see that when postgresql is starting up it now takes > it quite a while (from about 2 seconds to 12-15 > seconds). I don't see anything else 'weird' however > does anyone have any experience with this kind of > behavior? Wow, that's a pretty dramatic change. Journalling file systems do cause extra overhead when we fsync the data to the disk, but I wouldn't expect that magnitude of change, and I wouldn't expect it to be during startup. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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