good stuff here is a more recent version of the same resource as they have added a few new commands in the recent releases of zookeeper
http://zookeeper.apache.org/doc/r3.4.5/zookeeperAdmin.html#sc_zkCommands ________________________________________ From: Walter Underwood <wun...@wunderwood.org> Sent: Friday, August 16, 2013 12:48 To: solr-user@lucene.apache.org Subject: Re: external zookeeper with SolrCloud You might be able to get info from the Zookeeper "four letter words". http://zookeeper.apache.org/doc/r3.1.2/zookeeperAdmin.html#sc_zkCommands Here is a command to get the status for one of our Zookeeper hosts: $ echo stat | nc zk-web02.test3.cloud.cheggnet.com 2181 wunder On Aug 16, 2013, at 12:01 PM, Shawn Heisey wrote: > On 8/16/2013 11:58 AM, Joshi, Shital wrote: >> Is there a way to find if We have a zookeeper quorum? We can ping individual >> zookeeper and see if it is running, but it would be nice to ping/query one >> URL and check if we have a quorum. > > This is a really good question, to which I do not have an answer. If your > client code is Java, you could probably get this information out of > CloudSolrServer, with something like this: > > server.getZkStateReader().getZkClient().getSolrZooKeeper().getState(); > > If the state is CONNECTED everything's probably fine. > > If anyone who's dealt with Zookeeper happens to know whether this would work, > I'd appreciate knowing. For Solr, it is probably a good idea to expose > something via an admin handler with the current zookeeper quorum state. > > Thanks, > Shawn >
