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https://issues.apache.org/jira/browse/SOLR-4620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13608851#comment-13608851
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Hardik Upadhyay commented on SOLR-4620:
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CloudSolrServer constructor accepts only single zkHost server, which in case is
dead for a time being,CloudSolrServer will fail to perform operations,even
though,enough zkHost servers are up to serve the requet.
The request is to improve CloudSolrServer to accept list of zkHost to connect
to.
And a zkStatereader should iterate through a list until it can connect to a any
one zkHost in the list,instead of just reporting an exception on very first
failure.
> CloudSolrServer has single point of failure
> -------------------------------------------
>
> Key: SOLR-4620
> URL: https://issues.apache.org/jira/browse/SOLR-4620
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Reporter: Hardik Upadhyay
> Labels: features, patch
>
> CloudSolrServer (solrj) has single point of failure.If the zookeeper node
> specified into cloud solr server client is down,solr client will fail.
> (Since purpose of zookeeper is to avoid such failures and to provide high
> availability) This seems to be a valid bug,as it violets single point of
> failure.
> Rather CloudSolrServer should accept list of zkHost and should not fail until
> a single zkHost is up.
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