* Swapping in 2.4.10.SuSE-3 (2.4.10aa1 + some patches).
@ 2001-10-01 16:32 Oleg A. Yurlov
2001-10-01 15:22 ` Marcelo Tosatti
0 siblings, 1 reply; 2+ messages in thread
From: Oleg A. Yurlov @ 2001-10-01 16:32 UTC (permalink / raw)
To: linux-kernel
Hi, folks,
Kernel 2.4.10.SuSE-3 + patches from Andrea (from LKML), 1 CPU, 1 Gb RAM,
4 Gb swap. Mysql going to swap, but server has about 700Mb free memory:
buran:~ # vmstat 2
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 0 0 335984 686688 6392 194476 3 6 126 167 172 83 4 1 94
0 0 0 335984 686688 6392 194476 0 0 0 0 102 11 0 0 100
Result of "top" command:
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
1190 root 9 0 1220 1020 876 S 0.0 0.0 0:00 sh
1210 root 9 0 964 732 728 S 0.0 0.0 0:00 safe_mysqld
1245 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1247 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1248 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1249 mysql 9 0 318M 624 612 S 0.0 0.0 0:17 mysqld.42
1250 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1251 mysql 9 0 318M 624 612 S 0.0 0.0 0:29 mysqld.42
1252 mysql 9 0 318M 624 612 S 0.0 0.0 1:06 mysqld.42
1253 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1254 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
1259 mysql 9 0 318M 624 612 S 0.0 0.0 26:01 mysqld.42
No error messages in dmesg and syslog.
It is normal ?
--
Oleg A. Yurlov aka Kris Werewolf, SysAdmin OAY100-RIPN
mailto:kris@spylog.com +7 095 332-03-88
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Swapping in 2.4.10.SuSE-3 (2.4.10aa1 + some patches).
2001-10-01 16:32 Swapping in 2.4.10.SuSE-3 (2.4.10aa1 + some patches) Oleg A. Yurlov
@ 2001-10-01 15:22 ` Marcelo Tosatti
0 siblings, 0 replies; 2+ messages in thread
From: Marcelo Tosatti @ 2001-10-01 15:22 UTC (permalink / raw)
To: Oleg A. Yurlov; +Cc: linux-kernel
On Mon, 1 Oct 2001, Oleg A. Yurlov wrote:
>
> Hi, folks,
>
> Kernel 2.4.10.SuSE-3 + patches from Andrea (from LKML), 1 CPU, 1 Gb RAM,
> 4 Gb swap. Mysql going to swap, but server has about 700Mb free memory:
>
> buran:~ # vmstat 2
> procs memory swap io system cpu
> r b w swpd free buff cache si so bi bo in cs us sy id
> 0 0 0 335984 686688 6392 194476 3 6 126 167 172 83 4 1 94
> 0 0 0 335984 686688 6392 194476 0 0 0 0 102 11 0 0 100
>
> Result of "top" command:
>
> PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
> 1190 root 9 0 1220 1020 876 S 0.0 0.0 0:00 sh
> 1210 root 9 0 964 732 728 S 0.0 0.0 0:00 safe_mysqld
> 1245 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1247 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1248 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1249 mysql 9 0 318M 624 612 S 0.0 0.0 0:17 mysqld.42
> 1250 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1251 mysql 9 0 318M 624 612 S 0.0 0.0 0:29 mysqld.42
> 1252 mysql 9 0 318M 624 612 S 0.0 0.0 1:06 mysqld.42
> 1253 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1254 mysql 9 0 318M 624 612 S 0.0 0.0 0:00 mysqld.42
> 1259 mysql 9 0 318M 624 612 S 0.0 0.0 26:01 mysqld.42
>
> No error messages in dmesg and syslog.
>
> It is normal ?
Yes.
The kernel is just preallocating swap. If there is actual swap activity,
you can see in the "si so" (swapin/swapout) fields of vmstat.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2001-10-01 16:32 Swapping in 2.4.10.SuSE-3 (2.4.10aa1 + some patches) Oleg A. Yurlov
2001-10-01 15:22 ` Marcelo Tosatti
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