Even after changing ulimits and moving to the recommended production settings, we are still seeing the same issue.
root@lnx148-76:~# cat /proc/17663/limits Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 8388608 unlimited bytes Max core file size 0 unlimited bytes Max resident set unlimited unlimited bytes Max processes 256502 256502 processes Max open files 4096 4096 files Max locked memory 65536 65536 bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 256502 256502 signals Max msgqueue size 819200 819200 bytes Max nice priority 0 0 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us Regards, Bhaskar On Thursday, 10 July 2014 12:09 AM, Robert Coli <rc...@eventbrite.com> wrote: On Tue, Jul 8, 2014 at 10:17 AM, Bhaskar Singhal <bhaskarsing...@yahoo.com> wrote: But I am wondering why does Cassandra need to keep 3000+ commit log segment files open? Because you are writing faster than you can flush to disk. =Rob
