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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "SolrCloud" by Mark Miller
Date Sun, 03 Feb 2013 00:59:14 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SolrCloud" page has been changed by Mark Miller:
http://wiki.apache.org/solr/SolrCloud?action=diff&rev1=91&rev2=92

  
  == FAQ ==
   * '''Q:''' I'm seeing lot's of session timeout exceptions - what to do?
-   . '''A:''' Try raising the ZooKeeper session timeout by editing solr.xml - see the zkClientTimeout
attribute. The minimum session timeout is 2 times your ZooKeeper defined tickTime. The maximum
is 20 times the tickTime. The default tickTime is 2 seconds. You should avoiding raising this
for no good reason, but it should be high enough that you don't see a lot of false session
timeouts due to load, network lag, or garbage collection pauses. Some environments might need
to go as high as 30-60 seconds.
+   . '''A:''' Try raising the ZooKeeper session timeout by editing solr.xml - see the zkClientTimeout
attribute. The minimum session timeout is 2 times your ZooKeeper defined tickTime. The maximum
is 20 times the tickTime. The default tickTime is 2 seconds. You should avoiding raising this
for no good reason, but it should be high enough that you don't see a lot of false session
timeouts due to load, network lag, or garbage collection pauses. The default timeout is 15
seconds, but some environments might need to go as high as 30-60 seconds.
   * '''Q:''' How do I use SolrCloud, but distribute updates myself?
    . '''A:''' Add the following UpdateProcessorFactory somewhere in your update chain: '''NoOpDistributingUpdateProcessorFactory'''
   * '''Q:''' What is the difference between a Collection and a SolrCore?

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