Looks like, from https://bugzilla.redhat.com/show_bug.cgi?id=790921, that "However, if an enormous number of small files (hundreds of thousands or millions) was being mapped , the address space became extremely fragmented" as Csaba surmised.
On Thu, Mar 13, 2014 at 10:22 AM, Csaba Toth <csaba.toth...@gmail.com>wrote: > JVMs in production can consume many gigs of memory. With 32 bit, you > certainly won't be able to provide more than 3-4 gigs. Remember, that > because of PAE, the 4GB limit only applies to per process, so the processes > together can take far more than 4GB or 12 GB. > Memory address fragmentation could be a problem maybe? > > Csaba > > > On Thu, Mar 13, 2014 at 7:15 AM, Wesley Duffee-Braun <wduf...@gmail.com>wrote: > >> What version of CentOS are you running? >> >> I found this https://access.redhat.com/site/solutions/409353 that may be >> related. >> >> >> On Thu, Mar 13, 2014 at 10:08 AM, Howard White <hwh...@vcch.com> wrote: >> >>> On 03/13/2014 09:01 AM, Kent Perrier wrote: >>> >>>> The first thing that jumps to my mind is the ulimit on memory size for >>>> the user that is running the JVM. >>>> >>>> Kent >>>> >>>> >>> $ ulimit -a >>> core file size (blocks, -c) 0 >>> data seg size (kbytes, -d) unlimited >>> scheduling priority (-e) 0 >>> file size (blocks, -f) unlimited >>> pending signals (-i) 96303 >>> max locked memory (kbytes, -l) 64 >>> max memory size (kbytes, -m) unlimited >>> open files (-n) 1024 >>> pipe size (512 bytes, -p) 8 >>> POSIX message queues (bytes, -q) 819200 >>> real-time priority (-r) 0 >>> stack size (kbytes, -s) 10240 >>> cpu time (seconds, -t) unlimited >>> max user processes (-u) 1024 >>> virtual memory (kbytes, -v) unlimited >>> file locks (-x) unlimited >>> >>> >>> Howard >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "NLUG" group. >>> To post to this group, send email to nlug-talk@googlegroups.com >>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>> googlegroups.com >>> For more options, visit this group at http://groups.google.com/ >>> group/nlug-talk?hl=en >>> >>> --- You received this message because you are subscribed to the Google >>> Groups "NLUG" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to nlug-talk+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> http://www.wesleyduffeebraun.com >> <http://www.ashevillephotobooth.com> >> >> -- >> -- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To post to this group, send email to nlug-talk@googlegroups.com >> To unsubscribe from this group, send email to >> nlug-talk+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/nlug-talk?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to nlug-talk+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to nlug-talk@googlegroups.com > To unsubscribe from this group, send email to > nlug-talk+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nlug-talk+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- http://www.wesleyduffeebraun.com <http://www.ashevillephotobooth.com> -- -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to nlug-talk@googlegroups.com To unsubscribe from this group, send email to nlug-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to nlug-talk+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
