Eric Yang 2013-07-03, 03:18
Eric Yang 2013-07-07, 02:52
Alan D. Cabrera 2013-07-07, 16:27
Eric Yang 2013-07-07, 17:03
Alan D. Cabrera 2013-07-07, 18:39
Alan Cabrera 2013-07-08, 15:25
-Re: Incubator PMC/Board report for Jul 2013 ([ppmc])
唐 颖 2013-07-09, 01:33
My team is now migrating our m/r from hadoop 1.0 to 2. 0 .
And the old m/r can run on hadoop 2.0 without changing any source code , just need to re-compile on hadoop 2.0.
The yarn in not a necessary if you want to run mr from hadoop 1.0 on hadoop 2.0.
On 2013-7-8, at 上午1:03, Eric Yang <[EMAIL PROTECTED]> wrote:
> 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 may have to
> do the same thing to keep up to date. I don't know how to quantify the man
> hours needed to keep up to date. It may be one or two weeks to work on it
> full time. It may spread across several months, when we work on this part
> 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.
> On Sun, Jul 7, 2013 at 9:27 AM, Alan D. Cabrera <[EMAIL PROTECTED]>wrote:
>> On Jul 6, 2013, at 7:52 PM, Eric Yang <[EMAIL PROTECTED]> wrote:
>>> ChukwaChukwa is a log collection and analysis framework for Apache
>> Hadoop clusters.Chukwa has been incubating since 2010-07-14.
>>> Three most important issues to address in the move towards graduation:
>>> 1. Keep code up-to-date with Hadoop trend
>>> 2. Make another release
>>> 3. Keep wiki page up to date and better documentation
>> IMO, the number one item should be increasing an active community.
>>> Any issues that the Incubator PMC (IPMC) or ASF Board wish/need to be
>> aware of?
>>> Chukwa code needs to be maintained to keep up with new versions of
>> Can you characterize what is the scope of the work that needs to be done?
>> Especially in terms of estimated man hours needed to bring Chukwa up to
>>> How has the community developed since the last report?
>>> Committers are communicate more actively than previous quarter.
>>> How has the project developed since the last report?
>>> More contributors have open JIRA to request features and experiment with
>> code base. Website is now svnpubsub enabled. Javadocs are regenerated to
>> remove frame injection vulnerability.
>>> Date of last release: January 2012
>>> Draft report attached for the group to review. In Chukwa 0.6 release, we
>>> have 2 outstanding issues, and hope the community will help out to make
>>> this release possible. I also updated the team list to reflect the
>>> state. Let me know if there is any questions or comments. Thanks
Alan D. Cabrera 2013-07-09, 02:29
Eric Yang 2013-07-09, 04:00
Alan D. Cabrera 2013-07-09, 05:51
Marvin 2013-07-07, 11:12
Marvin 2013-10-06, 16:05