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From "Eli Reisman (JIRA)" <>
Subject [jira] [Created] (GIRAPH-312) Giraph needs an admin script
Date Wed, 22 Aug 2012 21:22:42 GMT
Eli Reisman created GIRAPH-312:

             Summary: Giraph needs an admin script
                 Key: GIRAPH-312
             Project: Giraph
          Issue Type: New Feature
          Components: conf and scripts, zookeeper
    Affects Versions: 0.2.0
            Reporter: Eli Reisman
            Assignee: Eli Reisman
            Priority: Minor
             Fix For: 0.2.0

Our zookeeper instances have very long uptimes on our cluster, and failed job trees are never
cleaned from memory. There is a separate shell script to do this, but its not picky about
which node trees it erases, and on some systems some Giraph users may not have access to it.

This patch will add a shell script to activate a new class which will use Giraph conf file
options or our normal -Dgiraph.XYZ command-line opts to get the ZK quorum info, and clean
out the remnants from its memory of old failed and killed jobs. They do pile up over time.

This led to the larger idea that Giraph needs a general giraph-admin shell script as a home
for stuff like this. Jakob suggested it would be a good idea to put this into such a script
since then admin groups can be created so that not every Giraph client can run it. This script
currently only has code to start up the zk cleaner, but can have more options added to it
as JIRA's to add features crop up.

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