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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2012/12/14 10:16:13 UTC

[jira] [Created] (BOOKKEEPER-508) Better topic assignment algorithm

Sijie Guo created BOOKKEEPER-508:
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             Summary: Better topic assignment algorithm
                 Key: BOOKKEEPER-508
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-508
             Project: Bookkeeper
          Issue Type: New Feature
          Components: hedwig-server
            Reporter: Sijie Guo
             Fix For: 4.3.0


currently each hub server just cached its owned topics. for those they don't owned topics, hub server has to request metadata store to know the topic owner.

the bad thing is that clients access hub server thru VIP which is round-robin, which means there would be lots of missed accessing owner, causing lots of traffic to metadata store.

need to provide a better algorithm to avoid unnecessary metadata traffic.

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