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тАО09-16-2004 06:07 PM
тАО09-16-2004 06:07 PM
top - 18:14:33 up 3 days, 5:18, 1 user, load average: 1.35, 0.74, 0.64
Tasks: 88 total, 1 running, 87 sleeping, 0 stopped, 0 zombie
Cpu(s): 5.2% us, 16.0% sy, 0.0% ni, 22.3% id, 56.5% wa, 0.0% hi, 0.2% si
Mem: 905912k total, 902148k used, 3764k free, 4764k buffers
Swap: 1954296k total, 27112k used, 1927184k free, 26064k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
47 root 15 0 0 0 0 S 21.4 0.0 137:38.66 kswapd0
11720 postgres 15 0 16216 9988 14m S 7.1 1.1 0:59.01 postmaster
21727 postgres 18 0 18328 11m 14m D 2.9 1.3 0:00.09 postmaster
11429 nobody 15 0 79456 2264 73m S 1.0 0.2 0:11.28 httpd
My .config file is in attachment
Krigler Pavol
Solved! Go to Solution.
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тАО09-19-2004 06:56 PM
тАО09-19-2004 06:56 PM
SolutionIn the 2.6.x kernels you can adjust the swapping with the vm.swappiness settings.
sysctl vm.swappiness
if you set this to 0 the system will try to swap as less as possible and all processes will try to stay in memory, if set to 100 the most active process will get all the ram and all others are swapped out.
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тАО09-20-2004 01:24 AM
тАО09-20-2004 01:24 AM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
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тАО09-24-2004 09:21 PM
тАО09-24-2004 09:21 PM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
When I run disk performace test iowait peak is 90% and some errors shown.
hdparm -tT /dev/cciss/c0d0
/dev/cciss/c0d0:
Timing buffer-cache reads: 2716 MB in 2.00 seconds = 1357.53 MB/sec
BLKFLSBUF failed: Invalid request code
Timing buffered disk reads: 296 MB in 3.01 seconds = 98.22 MB/sec
BLKFLSBUF failed: Invalid request code
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тАО10-02-2004 11:12 PM
тАО10-02-2004 11:12 PM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
p.
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тАО10-03-2004 12:21 AM
тАО10-03-2004 12:21 AM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=206252
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=664924
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тАО10-03-2004 05:37 AM
тАО10-03-2004 05:37 AM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
hardware: prolian ml350g3 and raid1 on compaq smart array
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=703662
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тАО10-05-2004 12:52 AM
тАО10-05-2004 12:52 AM
Re: Freezing kernel 2.6.8.1 on HP DL380 G3 (high load kswapd)
We have quite a few of these servers(ML350 with smary array raid controller with raid 1) in our environment and have experienced many freeze like this. The server has very high swap usage also, from you case dont see much swap usage, for us when we call redhat they suggest us to upgrade to latest kernel which our application people are not comfortable with since the same environment works fine with similar other servers.
Rgds
Gopi