"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