Hi Aaron, Sorry you didn’t get any answer…
Were you able to find out the problem and improve XWiki under load? Thanks -Vincent On 20 Sep 2014 at 06:52:10, Aaron Hardy at AC ([email protected](mailto:[email protected])) wrote: > Trying to track down the source of some persistent performance issues under > load with 6.2 RC 1 (haven't had time to upgrade to 6.2 final yet). I'm > maxing out at about 30 or so users before dying on a system with 4GB of RAM. > > The java interpreter is getting pegged to 100% of the CPU, and about 70% of > the calls in the stack trace are futex lock errors. A good chunk of the > remainder are gettimeofday calls. > > Potentially useful info (sorry for formatting): > > % time seconds usecs/call calls errors syscall > ------ ----------- ----------- --------- --------- ---------------- > 72.75 5361.592109 45075 118947 14045 futex > 12.28 905.064191 466 1943354 gettimeofday > 4.83 356.110745 3709487 96 45 restart_syscall > 2.88 212.173358 836 253729 clock_gettime > 2.71 199.867690 8802 22706 recvfrom > 2.10 154.843342 37841 4092 poll > 1.14 84.282371 580 145307 130153 stat > > Any ideas? > > thanks, > > aaron _______________________________________________ users mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/users
