| From: | Tatsuo Ishii <ishii(at)postgresql(dot)org> |
|---|---|
| To: | craig(at)2ndquadrant(dot)com |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Can we trust fsync? |
| Date: | 2013-11-21 00:36:26 |
| Message-ID: | 20131121.093626.2070011915932284629.t-ishii@sraoss.co.jp |
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| Lists: | pgsql-hackers |
> On 11/21/2013 07:45 AM, Craig Ringer wrote:
>> I'm really concerned by this post on Linux's fsync and disk flush behaviour:
>>
>> http://milek.blogspot.com.au/2010/12/linux-osync-and-write-barriers.html
>
> ... and yes, I realise that's partly why we have the "fsync" param to
> control different sync modes. Just concerned it's even more variable
> than I thought.
So on linux, we don't have any safe option for wal_sync_method?
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp
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