On 10/8/07, David Whalen <[EMAIL PROTECTED]> wrote: > > Have you taken a thread dump to see what is going on? > > We can't do it b/c during the unresponsive time we can't access > the admin site (/solr/admin) at all. I don't know how to do a > thread dump via the command line....
kill -3 <pid_of_jvm_running_solr> Start with the thread dump. I bet it's multiple queries piling up around some synchronization points in lucene (sometimes caused by multiple threads generating the same big filter that isn't yet cached). -Yonik