Re: CPU bound
От | Mladen Gogala |
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Тема | Re: CPU bound |
Дата | |
Msg-id | 4D21F68E.9070004@vmsinfo.com обсуждение исходный текст |
Ответ на | Re: CPU bound (Jim Nasby <Jim@Nasby.net>) |
Ответы |
Question: BlockSize > 8192 with FusionIO
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Список | pgsql-performance |
Jim Nasby wrote: > On Dec 20, 2010, at 12:47 AM, Mladen Gogala wrote: > >> Good time accounting is the most compelling reason for having a wait event interface, like Oracle. Without the wait eventinterface, one cannot really tell where the time is spent, at least not without profiling the database code, which isnot an option for a production database. >> > > Out of curiosity, have you tried using the information that Postgres exposes to dtrace? I suspect it comes close to whatyou can get directly out of Oracle... > -- > Jim C. Nasby, Database Architect jim@nasby.net > 512.569.9461 (cell) http://jim.nasby.net > > > > No, I haven't but I looked it in the documentation. I surmise, however, that I will have to build my software with "--enable-dtrace", which is not enabled by default. This certainly looks promising. -- Mladen Gogala Sr. Oracle DBA 1500 Broadway New York, NY 10036 (212) 329-5251 http://www.vmsinfo.com The Leader in Integrated Media Intelligence Solutions
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