On Tue, Apr 2, 2013 at 5:59 PM, Enis Söztutar <[email protected]> wrote:
> Hi devs, > > We(HWX) had some discussions with Stack this morning about the eventual > 0.96 release, and 0.95 stuff. Having 0.96 out sooner rather than later is > becoming crucial as time passes. We've talked about some of the significant > work items, and what areas to focus on. > > Thanks for doing the writeup Enis. I appreciate your suggesting more focus on 0.95/0.96. > Some of the notes are: > > - HBASE-8015. Support for Namespaces (Francis owns it, and the patch looks > mostly done. We should get this in since this is the singularity) > - HBASE-7999 Add 'system' tables (this may turn into just adding a system > namespace, and be done with it. Depends on HBASE-8015. ) > - HBASE-8093. Change the META name (can be done together as a part of > HBASE-8015, HBASE-7999) > That would be coolio. Sooner rather than later I'd say. > - HBASE-3787 Increment is non-idempotent but client retries RPC. Nonce > issue (idempotent) -> critical, Enis or Sergey will work on this. > - Tarball, maven -> Enis, Giri, Nick, Stack > - Jeffrey's log replay patch (It allows 2sec recovery for accepting writes > for regions. We can get this in disabled by default, and keep both > distributed log splitting, and log replay. In 96, we can make it rock solid > afterwards) > - Region locality fixes hbase-7932/7942 (Devaraj says that he was able to > convince the hdfs guys to accept the patch.) > - IPC review (DD, Stack) > - Cell stuff review - Cell support in Filters etc. -> These are important but no blockers, > maybe we can defer them to 1.0. > - HBASE-7897 Add support for tags to Cell Interface > - MTTR -> non blocker. The more we have the better > - Formal hadoop2 support -> DD, Ted, Nick, hadoop-2.0.4-alpha issue. > - prefix-tree module, storage module, mapred? -> Enis push for decision > here. > - HBASE-7704. migration tool that checks presence of HFile V1 files. > (Stack) > - Snapshots, any work left? -> Ted will review > - HBASE-8045. Fix .META. migration after HBASE-3171 (Stack) > - IO fencing, write compactions to hlog (Stack spend some time on this, > pretty important) > - Unit test fixes > - How are we going to test this > > ... > We'll also go over the issues and re-kindle the discussions, re-assign, > bump to 0.95.1 etc. > > I'm making a trawl through now. Will just bump any w/o owners and where there has been no movement lately. Thanks again for the write up Enis, St.Ack
