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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2969) eliminate table watches in clients by using Thrift to find the table map
Date Wed, 02 Jul 2014 13:37:25 GMT
Eric Newton created ACCUMULO-2969:
-------------------------------------

             Summary: eliminate table watches in clients by using Thrift to find the table
map
                 Key: ACCUMULO-2969
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2969
             Project: Accumulo
          Issue Type: Sub-task
            Reporter: Eric Newton
            Assignee: Eric Newton
            Priority: Minor


Presently, table map information is read directly from zookeeper.  This information is pulled
using the ZooCache, which adds watches to each table znode, and the name znode.  The shell,
in particular, pulls table information to provide table names for tab completion.

It is surprising that clients have watches on znodes for anything but the root tablet and
the master's lock/address.



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