sprava pamate na linux-2.4
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Pondělí Prosinec 10 09:46:48 CET 2007
DD vospolok, pocas skumania ineho problemu som prisiel na spravanie
systemu, ktore by som potreboval vysvetlit:
uname -r 2.4.20-28.7bigmem
free -m:
total used free shared buffers cached
Mem: 3023 2086 936 0 130 1751
-/+ buffers/cache: 204 2819
Swap: 2023 3 2020
ulimit ulimited
a ked spustim skript:
[x na y z]$cat memtest.pl
#!/usr/bin/perl
my $kb=1024*1024*1024;
print "trying allocate ",$kb/1024," kb of memory\n";
my $a = "a" x $kb;
sleep 30000;
[x na y z]$ perl memtest.pl
trying allocate 1048576 kb of memory
Out of memory!
[x na y z]$
Nemal by nahodou uvolnit "cached" a odswapovat co sa da ?
dik
ivast
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