CC'ing cgroups list Balbir 2011/11/10 Balbir Singh <bsingharora@xxxxxxxxx>: > 2011/11/10 Arkadiusz Miśkiewicz <arekm@xxxxxxxx>: >> >> Hi, >> >> I have a machine with 6GB of ram and a cgroup for apache processes limited to >> memory.limit_in_bytes = "5100M"; >> memory.soft_limit_in_bytes = "5000M"; >> > > Can you please send the output of memory.stat? > >> Unfortunately when apache processes ate all ram assigned to their cgroup load >> on whole machine jumps the roof. >> >> cgroup aware OOM kicks in, kills one process and that doesn't help. >> >> If I'm fast enough I notice and then apache processes require tons of kill -9 >> (I'm doing "killall -9 apache" in a while (true) loop for 20-30s) to get >> killed (and that not always succeeds - sometimes I'm unable to kill these and >> I'm just doing sysrq u, s, b after few minutes.. if I'm lucky. Sometimes I >> cannot do any command). >> >> This all happens on 2.6.38.8 kernel. >> http://ixion.pld-linux.org/~arekm/cgroup-eaten-memory-failure-1.txt >> for kernel log. It ends with reboot of the machine. >> > > From the logs > > "Nov 9 20:48:53 tm2 kernel: [18300.349106] Task in /somecgroup/httpd > killed as a result of limit of /somecgroup/httpd > Nov 9 20:48:53 tm2 kernel: [18300.349110] memory: usage 5222400kB, > limit 5222400kB, failcnt 282869 > Nov 9 20:48:53 tm2 kernel: [18300.349113] memory+swap: usage 0kB, > limit 9007199254740991kB, failcnt 0" > > It seems like you've disabled swap, is that correct? > > Balbir > -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
