Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
HDFS, mail # dev - Merging the HA branch to trunk - Wednesday, February 29th


+
Aaron T. Myers 2012-02-23, 02:24
+
Aaron T. Myers 2012-03-01, 00:00
+
Todd Lipcon 2012-03-01, 00:03
+
Suresh Srinivas 2012-03-01, 01:42
+
Vinod Kumar Vavilapalli 2012-03-01, 03:52
+
Tsz Wo Sze 2012-03-01, 22:10
+
Aaron T. Myers 2012-03-01, 22:39
+
Aaron T. Myers 2012-03-02, 05:01
+
Tsz Wo Sze 2012-03-01, 22:24
+
Aaron T. Myers 2012-03-01, 22:51
+
Tsz Wo Sze 2012-03-01, 00:32
+
Todd Lipcon 2012-03-01, 00:36
+
Tsz Wo Sze 2012-03-01, 01:01
+
Todd Lipcon 2012-03-01, 01:04
+
Tsz Wo Sze 2012-03-01, 01:17
+
Eli Collins 2012-02-23, 03:37
+
Jitendra Pandey 2012-02-23, 06:05
Copy link to this message
-
Re: Merging the HA branch to trunk - Wednesday, February 29th
Arun C Murthy 2012-02-23, 06:12
Nice, this is huge! +1

On Feb 23, 2012, at 7:54 AM, Aaron T. Myers wrote:

> Hello HDFS devs,
>
> Work has largely stabilized on the HA-branch in the last few weeks. At this
> point the HA NN project is nearly feature-complete for manual failover.
> We've been running the full test suite nightly, and all automated tests
> have been passing, except for one known test failure which should be fixed
> shortly.
>
> I'd like to begin the process of merging this branch back to HDFS trunk.
> There are still several outstanding sub-JIRAs under the HDFS-1623 and
> HADOOP-7454 umbrella JIRAs, but most of these are either nice-to-haves or
> relate to supporting automatic failover. Once the branch is merged to
> trunk, work on these JIRAs can continue there.
>
> I've identified the following JIRAs which I think should be the only
> remaining blockers for merging to trunk:
>
> HDFS-2904 - Client support for getting delegation tokens in an HA cluster
> HDFS-2920 - Fix remaining TODOs in the code from HA. Mostly little cleanup
> stuff.
> HDFS-2958 - Sweep for remaining proxy construction which doesn't go through
> failover path
> HDFS-2979 - Balancer should use logical URI for creating failover proxy
> (will fix the only current test failure)
>
> All of these JIRAs should be fixed in the next few days.
>
> I propose that, unless more blocker issues are discovered in the interim,
> we merge this branch to trunk one week from today, i.e. Wednesday, February
> 29th. During this time we will also execute the test plans described in the
> test documents attached to HDFS-1623 to try to identify any regressions or
> performance issues in the branch. If you plan to review the code changes or
> the test plan, I ask that you please do so as soon as possible.
>
> Feedback is certainly welcome on this plan.
>
> Thanks a lot,
> Aaron
>
> --
> Aaron T. Myers
> Software Engineer, Cloudera

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/
+
Suresh Srinivas 2012-02-23, 18:23
+
Todd Lipcon 2012-02-23, 18:27
+
Todd Lipcon 2012-02-24, 02:08