Hi all,
We meet a performance degrad in one of our cluster. Our
randwrite latency degraded from 1ms to 5ms(fio -ioengine=rbd
iodepth=1)
The cluster has about 200 osds runing on Intel 3500 SSD, we run
both qemu and ceph-osd on the hosts. The network for ceph is 10GbE.
While the cluster is
Hi, All
As far as I know, the patch b3f03bac8132207a20286d5602eda64500c19724
solves one case which big directory size.
I am not very familiar with xfs, but I think why can't we use vmalloc
when kmalloc fails?
Thanks.
--
juncheng bai
On 2015/7/8 20:34, Gavin Guo wrote:
Hi
On 2015/6/17 16:24, Ilya Dryomov wrote:
On Wed, Jun 17, 2015 at 6:04 AM, juncheng bai
wrote:
Hi.
Yeah, you are right, use the default max_segments, the request size can
be the object size, because the bi_phys_segments of bio could be recount,
there's just a possibility.
I want to
On 2015/6/16 23:51, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 5:14 PM, juncheng bai
wrote:
On 2015/6/16 21:30, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 2:57 PM, juncheng bai
wrote:
On 2015/6/16 16:37, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 6:28 AM, juncheng bai
wrote
On 2015/6/16 21:30, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 2:57 PM, juncheng bai
wrote:
On 2015/6/16 16:37, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 6:28 AM, juncheng bai
wrote:
On 2015/6/15 22:27, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 4:23 PM, juncheng bai
wrote
On 2015/6/16 16:37, Ilya Dryomov wrote:
On Tue, Jun 16, 2015 at 6:28 AM, juncheng bai
wrote:
On 2015/6/15 22:27, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 4:23 PM, juncheng bai
wrote:
On 2015/6/15 21:03, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 2:18 PM, juncheng bai
wrote
On 2015/6/15 22:27, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 4:23 PM, juncheng bai
wrote:
On 2015/6/15 21:03, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 2:18 PM, juncheng bai
wrote:
From 6213215bd19926d1063d4e01a248107dab8a899b Mon Sep 17 00:00:00 2001
From: juncheng bai
Date
On 2015/6/15 21:03, Ilya Dryomov wrote:
On Mon, Jun 15, 2015 at 2:18 PM, juncheng bai
wrote:
From 6213215bd19926d1063d4e01a248107dab8a899b Mon Sep 17 00:00:00 2001
From: juncheng bai
Date: Mon, 15 Jun 2015 18:34:00 +0800
Subject: [PATCH] storage:rbd: make the size of request is equal to
From 6213215bd19926d1063d4e01a248107dab8a899b Mon Sep 17 00:00:00 2001
From: juncheng bai
Date: Mon, 15 Jun 2015 18:34:00 +0800
Subject: [PATCH] storage:rbd: make the size of request is equal to the
size of the object
ensures that the merged size of request can achieve the size of
the object
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