xfs
[Top] [All Lists]

Re: noop or deadline on an SSD?

To: xfs@xxxxxxxxxxx
Subject: Re: noop or deadline on an SSD?
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Sun, 21 Apr 2013 19:58:00 -0500
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CAEDdjHcoZc2eS=hgb7K7BVf=2z28uh3CMuEU8+qFPp5UFvj-iQ@xxxxxxxxxxxxxx>
References: <CAEDdjHcoZc2eS=hgb7K7BVf=2z28uh3CMuEU8+qFPp5UFvj-iQ@xxxxxxxxxxxxxx>
Reply-to: stan@xxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5
On 4/21/2013 5:38 PM, Pedro Ribeiro wrote:

> Ok, I also read that with an SSD I should be using noop or deadline. And
> which one of these would perform better with XFS with an SSD? And while I'm
> at it, which one would be best for a  mechanical drive?

$ echo [noop|deadline] > /sys/block/sdX/queue/scheduler

Given the ease with which one can switch between the two, it's far
better to test each yourself with your hardware and workloads, than to
rely on any generic advice.

-- 
Stan

<Prev in Thread] Current Thread [Next in Thread>