Which version of Solr? Can you use jconsole, visualvm, or jstack to get some stack traces and see where things are halting?
- Mark On Mar 6, 2013, at 11:45 AM, Brett Hoerner <br...@bretthoerner.com> wrote: > I have a SolrCloud cluster (2 machines, 2 Solr instances, 32 shards, > replication factor of 2) that I've been using for over a month now in > production. > > Suddenly, the hourly cron I run that dispatches a delete by query > completely halts all indexing. Select queries still run (and quickly), > there is no CPU or disk I/O happening, but suddenly my indexer (which runs > at ~400 doc/sec steady) pauses, and everything blocks indefinitely. > > To clarify some on the schema, this is a moving window of data (imagine > messages that don't matter after a 24 hour period) which are regularly > "chopped" off by my hourly cron (deleting messages over 24 hours old) to > keep the index size reasonable. > > There are no errors (log level warn) in the logs. I'm not sure what to look > into. As I've said this has been running (delete included) for about a > month. > > I'll also note that I have another cluster much like this one where I do > the very same thing... it has 4 machines, and indexes 10x the documents per > second, with more indexes... and yet I delete on a cron without issue... > > Any ideas on where to start, or other information I could provide? > > Thanks much.
