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https://issues.apache.org/jira/browse/ACCUMULO-3485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denis Petrov updated ACCUMULO-3485:
-----------------------------------
Summary: accumulo client tries to connect only to the first ZK in the list,
making it SPOF (was: accumulo clients tries to connect only to the first ZK in
the list, making it SPOF)
> accumulo client tries to connect only to the first ZK in the list, making it
> SPOF
> ---------------------------------------------------------------------------------
>
> Key: ACCUMULO-3485
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3485
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.6.1
> Reporter: Denis Petrov
> Priority: Critical
>
> Accumulo client libraries tries to connect only to the first ZK server.
> if that single ZK server is down, the accumulo client does not try other ZK
> servers.
> Thus the first ZK is single point of failure, if it is down, accumulo client
> cannot work
> {code:java}
> val instance = new ZooKeeperInstance("zzz",
> "no-zk-here.example.com,zk1.example.com,zk2.example.com,zk3.example.com")
> val conn = instance.getConnector("root", "pass".getBytes)
> println("db connected, tables=" + conn.tableOperations.list)
> {code}
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