Messages in this thread |  | | Date | Mon, 1 Oct 2001 12:22:43 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: Swapping in 2.4.10.SuSE-3 (2.4.10aa1 + some patches). |
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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.
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