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Re: [PERFORM] fsync method checking - Mailing list pgsql-hackers

From Manfred Spraul
Subject Re: [PERFORM] fsync method checking
Date
Msg-id 4063CCF1.2030307@colorfullife.com
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In response to Re: [PERFORM] fsync method checking  (markw@osdl.org)
Responses Re: [PERFORM] fsync method checking
Re: [PERFORM] fsync method checking
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markw@osdl.org wrote:

>Compare file sync methods with one 8k write:
>        (o_dsync unavailable)
>        open o_sync, write       6.270724
>        write, fdatasync        13.275225
>        write, fsync,           13.359847
>
>
Odd. Which filesystem, which kernel? It seems fdatasync is broken and
syncs the inode, too.

--
    Manfred

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