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From Apache Wiki <>
Subject [Incubator Wiki] Update of "July2013" by AlanCabrera
Date Tue, 09 Jul 2013 05:46:34 GMT
Dear Wiki user,

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The "July2013" page has been changed by AlanCabrera:

  Chukwa code needs to be maintained to keep up with new versions of Hadoop.
- Hadoop has evolved in a non straight forward release branches.  Chukwa
- currently works with Hadoop 1.x branch.  For moving forward to Hadoop 2.x,
- the mapreduce jobs need to be using the new Yarn framework to implement
- some of the missing pieces that Hadoop broke the compatibility.  HBase has
- done something similar for Hadoop compatibility layer.  Chukwa will have to
- do the same thing to keep up to date with Hadoop 2.x.  It may be one or two
- weeks to work on it full time.
- It has been reported that people are working on migrating our m/r from Hadoop 1.0 to 2.0.
- The instrumentation points in MR v1 will needs to be migrated and
- instrument Yarn.  It is going to be interesting work to monitor and analyze
- Yarn.  Therefore, the work may be interesting to people that would like to
- visualize yarn performance.  We probably should release 0.6 as bugfix
- release before working on this.
  How has the community developed since the last report?
  Committers are communicate more actively than previous quarter.

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