Re: PostgreSQL on Solaris 8 and ufs
| От | Brandon Metcalf |
|---|---|
| Тема | Re: PostgreSQL on Solaris 8 and ufs |
| Дата | |
| Msg-id | Pine.LNX.4.58L.0503221505110.24435@cash.rhiamet.com обсуждение исходный текст |
| Ответ на | Re: PostgreSQL on Solaris 8 and ufs (Alan Stange <stange@rentec.com>) |
| Список | pgsql-performance |
s == stange@rentec.com writes: s> Try setting s> set ufs:ufs_WRITES=0 s> in /etc/system and rebooting, which basically says "any amount of disk s> IO can be outstanding". There's a tunables doc on docs.sun.com that s> explains this option. s> Also, logging UFS might help with some of the metadata requirements of s> UFS as well. So, use "mount -o logging" or add the relevant entry in s> /etc/vfstab. OK. I'll try these out. We do have ufs_WRITES enabled with the following parameters: set ncsize = 257024 set autoup = 90 set bufhwm = 15000 set tune_t_fsflushr = 15 set ufs:ufs_HW = 16777216 set ufs:ufs_LW = 8388608 -- Brandon
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