Re: Best suiting OS
От | Axel Rau |
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Тема | Re: Best suiting OS |
Дата | |
Msg-id | AF747061-8BC8-48CD-9592-99E28D1581CD@chaos1.de обсуждение исходный текст |
Ответ на | Re: Best suiting OS (Karl Denninger <karl@denninger.net>) |
Ответы |
Re: Best suiting OS
|
Список | pgsql-performance |
Am 05.10.2009 um 23:44 schrieb Karl Denninger: > Axel Rau wrote: >> >> Am 05.10.2009 um 20:06 schrieb Karl Denninger: >> >>> gjournal, no. ZFS has potential stability issues - I am VERY >>> interested >>> in it when those are resolved. It looks good on a test platform >>> but I'm >>> unwilling to run it in production; there are both reports of >>> crashes and >>> I have been able to crash it under some (admittedly rather extreme) >>> synthetic loads. >> How do you prevent from long running fsck with TB size ufs >> partitions? >> I had some hope for zfs13 and fbsd 8.0. >> >> Axel > Turn on softupdates. Fsck is deferred and the system comes up almost > instantly even with TB-sized partitions; the fsck then cleans up the > cruft. Last time, I checked, there was a issue with background-fsck. I will give it a chance with my new 8.0 box. Do you have any experience with SSDs w/o BBUed Raidcontroller? Are they fast enough to ensure flash write out of drive cache at power failure after fsync ack? Axel --- axel.rau@chaos1.de PGP-Key:29E99DD6 +49 151 2300 9283 computing @ chaos claudius
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