From: "Sławomir Skowron" <szibis@gmail.com>
To: Samuel Just <sam.just@dreamhost.com>
Cc: "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: Re: .rgw expand number of pg's
Date: Tue, 10 Jan 2012 22:27:43 +0100 [thread overview]
Message-ID: <-5608777025883579446@unknownmsgid> (raw)
In-Reply-To: <6752061.143.1326216212374.JavaMail.mobile-sync@vbkn16>
Maybe i missunderstood problem, but i see something like this.
My setup is 3 node cluster. 78 osd and 3 mons. At the top of the
cluster working radosgw on every machine. Every pool have a 3
replicas. Default politics for replicas is host in racks, and every
machine is in other rack.
When i do a stress test via s3 client, writing a lot of new object via
balancer to the cluster i discovered, that only 3 osd are involved.
This means that only one osd on every machine working in one time,
when the object are writen via radosgw.
Thats why i write this mail about increase number of pgs in radosgw
pool. Maybe i am wrong, but how i can perform this better, more
parallel, to use power of many drives (osd's) ??
For example when i use a rbd in this case, usage of osd devices is
more random, and parallel.
Pozdrawiam
iSS
On 10 sty 2012, at 18:11, Samuel Just <sam.just@dreamhost.com> wrote:
> At the moment, expanding the number of pgs in a pool is not working.
> We hope to get it working in the somewhat near future (probably a few
> months). Are you attempting to expand the number of osds and running
> out of pgs?
> -Sam
>
> 2012/1/10 Sławomir Skowron <slawomir.skowron@gmail.com>:
>> How to expand number of pg's in rgw pool ??
>>
>> --
>> -----
>> Pozdrawiam
>>
>> Sławek "sZiBis" Skowron
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next prev parent reply other threads:[~2012-01-10 21:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 16:17 .rgw expand number of pg's Sławomir Skowron
2012-01-10 17:10 ` Samuel Just
2012-01-10 17:10 ` Samuel Just
[not found] ` <6752061.143.1326216212374.JavaMail.mobile-sync@vbkn16>
2012-01-10 21:27 ` Sławomir Skowron [this message]
2012-01-10 22:00 ` Samuel Just
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