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Markus Jelsma commented on SOLR-4165: ------------------------------------- SOLR-3655 sounds like what i describe. Seems i opened a duplicate. Thanks! > Queries blocked when stopping and starting a node > ------------------------------------------------- > > Key: SOLR-4165 > URL: https://issues.apache.org/jira/browse/SOLR-4165 > Project: Solr > Issue Type: Bug > Components: search, SolrCloud > Affects Versions: 5.0 > Environment: 5.0-SNAPSHOT 1366361:1420056M - markus - 2012-12-11 > 11:52:06 > Reporter: Markus Jelsma > Priority: Critical > Fix For: 5.0 > > > Our 10 node test cluster (10 shards, 20 cores) blocks incoming queries > briefly when a node is stopped gracefully and again blocks queries for at > least a few seconds when the node is started again. > We're using siege to send roughly 10 queries per second to a pair a load > balancers. Those load balancers ping (admin/ping) each node every few hundres > milliseconds. The ping queries continue to operate normally while the > requests to our main request handler is blocked. A manual request directly to > a live Solr node is also blocked for the same duration. > There are no errors logged. But it is clear that the the entire cluster > blocks queries as soon as the starting node is reading its config from > Zookeeper, likely even slightly earlier. > The blocking time when stopping a node varies between 1 or 5 seconds. The > blocking time when starting a node varies between 10 up to 30 seconds. The > blocked queries come rushing in again after a queue of ping requests are > served. The ping request sets the main request handler via the qt parameter. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org