I've got vfs_cache_pressure = 100 on both servers and ext3 filesystems
on both.
These are the files on /proc/sys/vm:
slow server:
========
file
value
-rw-r--r-- 1 root root 0 2008-02-01 13:31 block_dump
-rw-r--r-- 1 root root 0 2008-02-01 13:31 dirty_background_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:31 dirty_expire_centisecs
-rw-r--r-- 1 root root 0 2008-02-01 13:31 dirty_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:31 dirty_writeback_centisecs
-rw-r--r-- 1 root root 0 2008-02-01 13:31 drop_caches
-rw-r--r-- 1 root root 0 2008-02-01 13:31 laptop_mode
-rw-r--r-- 1 root root 0 2008-02-01 13:31 legacy_va_layout
-rw-r--r-- 1 root root 0 2008-02-01 13:31 lowmem_reserve_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:31 max_map_count
-rw-r--r-- 1 root root 0 2008-02-01 13:31 min_free_kbytes
-r--r--r-- 1 root root 0 2008-02-01 13:31 nr_pdflush_threads
-rw-r--r-- 1 root root 0 2008-02-01 13:31 overcommit_memory
-rw-r--r-- 1 root root 0 2008-02-01 13:31 overcommit_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:31 page-cluster
-rw-r--r-- 1 root root 0 2008-02-01 13:31 panic_on_oom
-rw-r--r-- 1 root root 0 2008-02-01 13:31 percpu_pagelist_fraction
-rw-r--r-- 1 root root 0 2008-02-01 13:31 swappiness
-rw-r--r-- 1 root root 0 2008-02-01 13:31 swap_token_timeout
-rw-r--r-- 1 root root 0 2008-02-01 13:31 vdso_enabled
-rw-r--r-- 1 root root 0 2008-02-01 13:31 vfs_cache_pressure 0
10
3000
40
500
0
0
0
256 256 32
65536
3831
2
0
50
3
0
0
60
300
1
100
Fast server:
========
file
value
-rw-r--r-- 1 root root 0 2008-02-01 13:32 block_dump
-rw-r--r-- 1 root root 0 2008-02-01 13:32 dirty_background_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:32 dirty_expire_centisecs
-rw-r--r-- 1 root root 0 2008-02-01 13:32 dirty_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:32 dirty_writeback_centisecs
-rw-r--r-- 1 root root 0 2008-02-01 13:32 laptop_mode
-rw-r--r-- 1 root root 0 2008-02-01 13:32 lower_zone_protection
-rw-r--r-- 1 root root 0 2008-02-01 13:32 max_map_count
-rw-r--r-- 1 root root 0 2008-02-01 13:32 min_free_kbytes
-r--r--r-- 1 root root 0 2008-02-01 13:32 nr_pdflush_threads
-rw-r--r-- 1 root root 0 2008-02-01 13:32 overcommit_memory
-rw-r--r-- 1 root root 0 2008-02-01 13:32 overcommit_ratio
-rw-r--r-- 1 root root 0 2008-02-01 13:32 page-cluster
-rw-r--r-- 1 root root 0 2008-02-01 13:32 swappiness
-rw-r--r-- 1 root root 0 2008-02-01 13:32 vfs_cache_pressure 0
10
3000
40
500
0
0
65536
957
2
0
50
3
60
100
Scott Lovenberg escribió:
Felipe Martinez Hermo wrote:
Hi, everybody!
I have been using samab on Debian for years and I have recently
migrated my file server from version 3.0.14a-3sarge2 to 3.0.24-6etch4.
One or our applications stores its data in a shared folder. This data
is distributed in over 29000 files of about 1k-40k and is so much
slower when it runs on the new server.
I have thoroughly revised both smb.conf files, but can't see
significant differences. I have read them so much that probably I'm
already obfuscated.
I have tuned socket options, but can't see any improvement.
Any ideas?
Thanks in advance
how are your settings in /proc/sys/vm/*? If you've got the RAM, turn
down the vfs_cache_pressure - you should get more hits. Also, what
file system are you using?
--
==============================
Felipe Martínez Hermo
[EMAIL PROTECTED]
[EMAIL PROTECTED]
==============================
Servicios Informáticos
UGT Galicia
[EMAIL PROTECTED]
[EMAIL PROTECTED]
==============================
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