Or get more physical memory? Solr _likes_ memory, you won't be able to do much with only 2G physical memory......
On Fri, May 26, 2017 at 2:00 AM, Robert Brown <r...@lavoco.com> wrote: > Thanks Rick, > > Turns out it was the kernel killing it, dmesg showed: > > Out of memory: Kill process 2647 (java) score 118 or sacrifice child > Killed process 2647, UID 1006, (java) total-vm:2857484kB, anon-rss:227440kB, > file-rss:12kB > > Now I just need to tell the kernel not to do that. > > The other things on the box are nginx and my Perl web-app. > > Those 2 are both restarted upon a deploy, which is what knocks Solr down. > > I'll experiment with different heap values, with a 1MB index (on disk) I > should be able to get it fairly low. > > I have the same occasional problem on my dev box, which only has 1GB RAM - > quite surprising it runs at all on there if it has half the ram of the live > box(es). > > > > > On 26/05/17 07:35, Rick Leir wrote: >> >> Robert, >> >> What is at the end of solr.log when it has died? >> >> Is there anything in syslog or messages? >> >> What is the other app? >> >> Run the top command, memory screen, on Ubuntu: >> >> $ top -o RES >> >> I have never used strace(1) on Solr, but that is an option. Run Solr in >> strace with the appropriate options to reduce the voluminous output. >> >> You could upgrade your hardware cheaply at a surplus store (almost every >> machine in my office is surplus .. think .. actually, every one). >> >> cheers -- Rick >> >> >> On 2017-05-25 06:55 PM, Robert Brown wrote: >>> >>> Hi, >>> >>> I'm currently running 6.5.1 with a tiny index, less than 1MB. >>> >>> When I restart another app on the same server as Solr, Solr occasionally >>> dies, but no solr_oom_killer.log file. >>> >>> Heap size is 256MB (~30MB used), Physical RAM 2GB, typically using 1.5GB. >>> >>> How else can I debug what's causing it? >>> >>> Also, for such a small index, what would be an appropriate heap size? >>> 10MB seems to just kill it (OOM log file produced) as it starts. >>> >>> Thanks, >>> Rob >>> >> >
