Re: Does PostgreSQL support to write glusterfs by Libgfapi

On Wed, Dec 16, 2015 at 1:26 AM, zh1029 <zh1029(at)sina(dot)com> wrote:

> Hi,
> It seems low performance PostgreSQL(9.3.6) while writing data to
> glusterFS
> distributed file system. libgfapi is provide since GlusterFS version 3.4 to
> avoid kernel visits/data copy which can improve its performance. But I
> didn't find out any instruction from the PostgreSQL web page. Do you know
> if
> PostgreSQL later release supports using libgfapi to optimized write data to
> ClusterFS file system.
>
> The real question is, why are you using GLusterFS? It's important to be
careful since PostgreSQL provides no mechanism to allow for shared-disk
clustering (active/active). If you are planning on using active/passive,
you must plan carefully so as not to create a split-brain scenario.

--
Scott Mead
Sr. Architect
*OpenSCG*
PostgreSQL, Java & Linux Experts
http://openscg.com <http://openscg.com>

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