very high inact_dirty value
From: hopehope_123 (hopehope_123_at_yahoo.com)
Date: 09/20/05
- Next message: ecliptik_at_gmail.com: "Adaptec 2400A IDE Raid Controller in Redhat Linux ES 3"
- Previous message: Brian Wakem: "Re: FREE SYSADMIN SEARCH TOOL"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Date: 20 Sep 2005 07:31:14 -0700
Hi ,
The below is the output of meminfo of redhat linux 2.1 4 ia64 cpus ,
8gb.ram .
The value of inact_dirty is 2334352 kB and i have serious pagings (
sar -B shows heavy page in operations)
sar -B 1 10
Linux 2.4.18-e.37smp (tanidw1) 09/20/2005
04:28:47 PM pgpgin/s pgpgout/s activepg inadtypg inaclnpg inatarpg
04:28:48 PM 56746.00 4414.00 177877 146555 6925 66271
04:28:49 PM 55777.00 5502.00 177877 146555 6925 66271
04:28:50 PM 55371.00 3871.00 177877 146555 6925 66271
04:28:51 PM 53952.00 15.00 177877 146555 6925 66271
04:28:52 PM 40006.00 27646.00 177877 146555 6925 66271
[oracle@tanidw1 proc]$ cat meminfo
total: used: free: shared: buffers: cached:
Mem: 8490827776 7987920896 502906880 0 200867840 3976101888
Swap: 25165725696 687030272 24478695424
MemTotal: 8291824 kB
MemFree: 491120 kB
MemShared: 0 kB
Buffers: 196160 kB
Cached: 3742224 kB
SwapCached: 140688 kB
Active: 2806032 kB
Inact_dirty: 2334352 kB
Inact_clean: 110880 kB
Inact_target: 1050240 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 8291824 kB
LowFree: 491120 kB
SwapTotal: 24575904 kB
SwapFree: 23904976 kB
Committed_AS: 633471392 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 262144 kB
free
[oracle@tanidw1 proc]$ free
total used free shared buffers
cached
Mem: 8291824 7838256 453568 0 198960
3751888
-/+ buffers/cache: 3887408 4404416
Swap: 24575904 670928 23904976
The inact_dirty pages must be written to the disk in order to be reused
, so why doesnt the operating system write these pages?
I have fund some messages similiar which says this can be a kernel bug
.
I will be appreciated if someone comments about this.
Kind Regards,
hope
- Next message: ecliptik_at_gmail.com: "Adaptec 2400A IDE Raid Controller in Redhat Linux ES 3"
- Previous message: Brian Wakem: "Re: FREE SYSADMIN SEARCH TOOL"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
