From: Andy <angelflow@yahoo.com>
To: Benjamin Krajmalnik <kraj@servoyant.com>
To: alan bryan <alan.bryan@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Hardware recommendations
Date: Fri, 10 Dec 2010 05:58:24 -0800 (PST)
Message-ID: <685022.3525.qm@web111301.mail.gq1.yahoo.com> (raw)
In-Reply-To: <AANLkTikwsouANJLkr03kxqUkVdcOGTafwNHxUdW0PF=J@mail.gmail.com>
> We use ZFS and use SSDs for both the log device and
> L2ARC. All disks
> and SSDs are behind a 3ware with BBU in single disk
> mode.
Out of curiosity why do you put your log on SSD? Log is all sequential IOs, an area in which SSD is not any faster than HDD. So I'd think putting log on SSD wouldn't give you any performance boost.
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To: pgsql-performance@postgresql.org
Cc: angelflow@yahoo.com, kraj@servoyant.com, alan.bryan@gmail.com
Subject: Re: Hardware recommendations
In-Reply-To: <685022.3525.qm@web111301.mail.gq1.yahoo.com>
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