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Thread: Plesk memory usage
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10-16-2006, 09:38 PM #1Disabled
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Plesk memory usage
Hello,
I just setup a server with Plesk to try out their control panel and it syas my memory usage is 1.8GB out of 2.0GB. Any idea why it is using up so much memory when no domains are active on the server at all? This is a fresh install....any ideas would be appreciated.
Thanks
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10-16-2006, 10:05 PM #2Web Hosting Master
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IS this Linux?
If so post the results of top
Linux will use all the memory you give it even if nothing is really running it puts it in buffer so it can allocate it better when it needs it.
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10-16-2006, 10:08 PM #3Disabled
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top - 21:06:37 up 5 days, 11:32, 2 users, load average: 0.10, 0.03, 0.01
Tasks: 144 total, 1 running, 143 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0% us, 0.2% sy, 0.0% ni, 99.8% id, 0.1% wa, 0.0% hi, 0.0% si
Mem: 2074760k total, 1919188k used, 155572k free, 372096k buffers
Swap: 2031608k total, 0k used, 2031608k free, 1243544k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
51 root 15 0 0 0 0 S 0.3 0.0 0:02.15 pdflush
2201 root 16 0 2560 980 748 R 0.3 0.0 0:00.03 top
1 root 16 0 2816 516 440 S 0.0 0.0 0:01.73 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.13 migration/0
3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
4 root RT 0 0 0 0 S 0.0 0.0 0:00.05 migration/1
5 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/1
6 root RT 0 0 0 0 S 0.0 0.0 0:00.05 migration/2
7 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/2
8 root RT 0 0 0 0 S 0.0 0.0 0:00.05 migration/3
9 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/3
10 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 events/0
11 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 events/1
12 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 events/2
13 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 events/3
14 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 khelper
15 root 15 -10 0 0 0 S 0.0 0.0 0:00.00 kacpid
37 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kblockd/0
38 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kblockd/1
39 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kblockd/2
40 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kblockd/3
41 root 15 0 0 0 0 S 0.0 0.0 0:00.00 khubd
50 root 15 0 0 0 0 S 0.0 0.0 0:00.07 pdflush
53 root 12 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
54 root 12 -10 0 0 0 S 0.0 0.0 0:00.00 aio/1
55 root 12 -10 0 0 0 S 0.0 0.0 0:00.00 aio/2
56 root 12 -10 0 0 0 S 0.0 0.0 0:00.00 aio/3
52 root 15 0 0 0 0 S 0.0 0.0 0:00.95 kswapd0
129 root 25 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
196 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 ata/0
197 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 ata/1
198 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 ata/2
199 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 ata/3
201 root 21 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
202 root 22 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
215 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 kmirrord
216 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 kmir_mon
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10-16-2006, 10:36 PM #4Web Hosting Master
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Yep that is fine.
Look at the line. Mem: 2074760k total, 1919188k used,
and espeically these two. 155572k free, 372096k buffers
When extra physical memory is not in use, the kernel attempts to put it to work as a disk buffer cache. The disk buffer stores recently accessed disk data in memory; if the same data is needed again it can be quickly retrieved from the cache, improving performance. The buffer grows and shrinks dynamically to use the memory available, although priority is given to using the memory for paging. Thus, all the memory you have is put to good use.
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10-16-2006, 11:01 PM #5Disabled
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Thanks for the explanation.