From: Thavatchai Makphaibulchoke <thavatchai.makpahibulchoke@hp.com>
To: Andreas Dilger <adilger@dilger.ca>
Cc: Theodore Ts'o <tytso@mit.edu>, Eric Sandeen <sandeen@redhat.com>,
T Makphaibulchoke <tmac@hp.com>,
"linux-ext4@vger.kernel.org List" <linux-ext4@vger.kernel.org>,
"aswin@hp.com" <aswin@hp.com>,
"aswin_proj@lists.hp.com" <aswin_proj@lists.hp.com>
Subject: Re: [PATCH v3 0/2] ext4: increase mbcache scalability
Date: Wed, 25 Sep 2013 12:43:01 -0600 [thread overview]
Message-ID: <52432EB5.1090706@hp.com> (raw)
In-Reply-To: <D59BF31F-934D-4DE6-9E5C-F92014F09C68@dilger.ca>
On 09/21/2013 05:12 PM, Andreas Dilger wrote:
> I just noticed that we have a patch for Lustre that adds a "no_mbcache" mount option to disable mbcache on a per-filesystem basis.
>
> The newest patch we have is based on FC19 (3.10 kernel), is this something that would be of interest if we submitted it upstream?
>
> http://review.whamcloud.com/#/c/7263/8/ldiskfs/kernel_patches/patches/fc19/ext4-disable-mb-cache.patch
>
> Cheers, Andreas
>
Here are some of the improvement I saw with SELinux disabled.
On an 80 core machine,
custom 15.5%
disk 27.81
fserver 5.33%
new_dbase 9.06%
new_fserver 5.45%
On an 8 core machine,
alltests 5.24
custom 2.26
shared 9.32
short 24.08
The rest is not noticably different.
Thanks,
Mak.
next prev parent reply other threads:[~2013-09-26 0:46 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 0:55 [PATCH 0/2] ext4: increase mbcache scalability T Makphaibulchoke
2013-08-22 15:54 ` [PATCH v2 " T Makphaibulchoke
2013-08-22 15:54 ` [PATCH v2 1/2] mbcache: decoupling the locking of local from global data T Makphaibulchoke
2013-08-22 16:53 ` Linus Torvalds
2013-08-22 15:33 ` Thavatchai Makphaibulchoke
2013-08-22 15:54 ` [PATCH v2 2/2] ext4: each filesystem creates and uses its own mc_cache T Makphaibulchoke
2014-01-24 18:31 ` [PATCH v4 0/3] ext4: increase mbcache scalability T Makphaibulchoke
2014-01-24 18:31 ` [PATCH v4 1/3] fs/mbcache.c change block and index hash chain to hlist_bl_node T Makphaibulchoke
2014-01-24 18:31 ` [PATCH v4 2/3] mbcache: decoupling the locking of local from global data T Makphaibulchoke
2014-01-24 18:31 ` [PATCH v4 3/3] ext4: each filesystem creates and uses its own mc_cache T Makphaibulchoke
2014-01-24 21:38 ` [PATCH v4 0/3] ext4: increase mbcache scalability Andi Kleen
2014-01-25 1:13 ` Thavatchai Makphaibulchoke
2014-01-25 6:09 ` Andreas Dilger
2014-01-27 12:27 ` Thavatchai Makphaibulchoke
2014-02-09 19:46 ` Thavatchai Makphaibulchoke
2014-02-11 19:58 ` Thavatchai Makphaibulchoke
2014-02-13 2:01 ` Andreas Dilger
2013-09-04 16:39 ` [PATCH v3 0/2] " T Makphaibulchoke
2013-09-04 16:39 ` [PATCH v3 1/2] mbcache: decoupling the locking of local from global data T Makphaibulchoke
2013-10-30 13:27 ` Theodore Ts'o
2013-10-30 14:42 ` Theodore Ts'o
2013-10-30 17:32 ` Thavatchai Makphaibulchoke
2013-09-04 16:39 ` [PATCH v3 2/2] ext4: each filesystem creates and uses its own mb_cache T Makphaibulchoke
2013-10-30 14:30 ` Theodore Ts'o
2013-09-04 20:00 ` [PATCH v3 0/2] ext4: increase mbcache scalability Andreas Dilger
2013-09-04 15:33 ` Thavatchai Makphaibulchoke
2013-09-05 15:22 ` Thavatchai Makphaibulchoke
2013-09-05 2:35 ` Theodore Ts'o
2013-09-05 9:49 ` Thavatchai Makphaibulchoke
2013-09-06 5:10 ` Andreas Dilger
2013-09-06 12:23 ` Thavatchai Makphaibulchoke
2013-09-10 20:47 ` Andreas Dilger
2013-09-10 21:02 ` Theodore Ts'o
2013-09-10 17:10 ` Thavatchai Makphaibulchoke
2013-09-11 3:13 ` Eric Sandeen
2013-09-11 11:30 ` Theodore Ts'o
2013-09-11 16:49 ` Eric Sandeen
2013-09-11 19:33 ` Eric Sandeen
2013-09-11 20:32 ` David Lang
2013-09-11 20:48 ` Eric Sandeen
2013-09-11 21:25 ` Theodore Ts'o
2013-09-11 20:36 ` Thavatchai Makphaibulchoke
2013-09-12 3:42 ` Eric Sandeen
2013-09-12 12:23 ` Theodore Ts'o
2013-09-13 12:04 ` Thavatchai Makphaibulchoke
2013-09-13 18:59 ` Eric Sandeen
2013-09-17 16:43 ` Thavatchai Makphaibulchoke
2013-09-18 14:19 ` Eric Sandeen
2013-09-21 18:53 ` Theodore Ts'o
2013-09-23 15:35 ` Thavatchai Makphaibulchoke
[not found] ` <D59BF31F-934D-4DE6-9E5C-F92014F09C68@dilger.ca>
2013-09-25 18:43 ` Thavatchai Makphaibulchoke [this message]
2013-10-04 3:22 ` Andreas Dilger
2013-10-18 12:43 ` Thavatchai Makphaibulchoke
2013-10-19 23:06 ` Eric Sandeen
2014-02-20 18:37 ` [PATCH V5 0/3] " T Makphaibulchoke
2014-02-20 18:37 ` [PATCH V5 1/3] fs/mbcache.c change block and index hash chain to hlist_bl_node T Makphaibulchoke
2014-02-20 18:37 ` [PATCH V5 2/3] mbcache: decoupling the locking of local from global data T Makphaibulchoke
2014-02-20 18:37 ` [PATCH V5 3/3] ext4: each filesystem creates and uses its own mb_cache T Makphaibulchoke
2014-03-12 16:19 ` [PATCH v5 RESEND 0/3] ext4: increase mbcache scalability T Makphaibulchoke
2014-03-12 16:19 ` [PATCH v5 RESEND 1/3] fs/mbcache.c change block and index hash chain to hlist_bl_node T Makphaibulchoke
2014-03-12 16:19 ` [PATCH v5 RESEND 2/3] mbcache: decoupling the locking of local from global data T Makphaibulchoke
2014-03-12 16:19 ` [PATCH v5 RESEND 3/3] ext4: each filesystem creates and uses its own mb_cache T Makphaibulchoke
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