Hi, I have tried removing the entry from zookeeper as well as from solr via admin/cores?action=uload and still the distributed query hits the missing core. I guess there is no zookeeper watcher in solr to update the core/shard state used by search.
I got round the problem by doing the above then running a admin/cores?action=reload on any core in the collection, this seems to force the solr's distributed searcher to re-consult zookeeper. Phil -----Original Message----- From: Mark Miller [mailto:markrmil...@gmail.com] Sent: 31 January 2012 18:16 To: solr-user@lucene.apache.org Subject: Re: removing cores solrcloud On Jan 31, 2012, at 1:03 PM, Phil Hoy wrote: > Hi Mark, > > I am using the embedded zookeeper server, how would you recommend I connect > to it so that I can remove the missing core or is it only possible when using > a stand-alone zookeeper instance? Nope, both cases are the same - you just need a ZK tool and the ZK address to connect that tool to ZK. ZK itself comes with some command line scripts that you could use - their are also a couple GUI tools out there. If you use eclipse, my favorite way to interact with ZK is http://www.massedynamic.org/mediawiki/index.php?title=Eclipse_Plug-in_for_ZooKeeper I think (hard to remember what came in when) you just have to remove the node from /node_states and the overseer will update the cluster state. Sami Siren might be able to comment more on that. I am looking into doing this automatically when you unload a SolrCore - https://issues.apache.org/jira/browse/SOLR-3080 > > You are of course correct the reload command as well a few others should > cause a resync with the zookeepers state too. > > I am currently using version 4.0.0.2011.12.12.09.26.56. > > Phil > > -----Original Message----- > From: Mark Miller [mailto:markrmil...@gmail.com] > Sent: 31 January 2012 16:09 > To: solr-user@lucene.apache.org > Subject: Re: removing cores solrcloud > > > On Jan 31, 2012, at 4:49 AM, Phil Hoy wrote: > >> Hi, >> >> I am running solrcloud and i am able to add cores >> http://wiki.apache.org/solr/SolrCloud#Creating_cores_via_CoreAdmin but how >> does one remove cores. If i use the core admin unload command, distributed >> queries then error as they still query the removed core. Do I need to update >> zookeeper somehow? >> >> Phil > > > Hey Phil - yeah, currently you would have to manually remove the core from > zookeeper. Once we see it, we expect it to be part of the index - perhaps we > should remove it on an explicit core reload though? > > What version of trunk are you using? > > - Mark Miller > lucidimagination.com > > > > > > > > > > > > > ______________________________________________________________________ > This email has been scanned by the brightsolid Email Security System. Powered > by MessageLabs > ______________________________________________________________________ - Mark Miller lucidimagination.com ______________________________________________________________________ This email has been scanned by the brightsolid Email Security System. Powered by MessageLabs ______________________________________________________________________
