| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Rob Wultsch" <wultsch(at)gmail(dot)com> |
| Cc: | "Greg Smith" <greg(at)2ndquadrant(dot)com>,<jd(at)commandprompt(dot)com>, "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>, "Bruce Momjian" <bruce(at)momjian(dot)us>, "Steve Crawford" <scrawford(at)pinpointresearch(dot)com>, <pgsql-performance(at)postgresql(dot)org>, "Ben Chobot" <bench(at)silentmedia(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: BBU Cache vs. spindles |
| Date: | 2010-10-22 20:15:30 |
| Message-ID: | 4CC1AA920200002500036D0F@gw.wicourts.gov |
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| Lists: | pgsql-performance pgsql-www |
Rob Wultsch <wultsch(at)gmail(dot)com> wrote:
> not needing full_page_writes would make geographically dispersed
> replication possible for certain cases where it is not currently
> (or at least rather painful).
Do you have any hard numbers on WAL file size impact? How much does
pglesslog help in a file-based WAL transmission environment? Should
we be considering similar filtering for streaming replication?
-Kevin
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