+1 (binding) Xuan Gong
> >On Mon, Oct 2, 2017 at 11:09 AM, Jonathan Hung <jyhung2...@gmail.com> >wrote: > >> Hi all, >> >> From discussion at [1], I'd like to start a vote to merge feature branch >> YARN-5734 to trunk, branch-3.0, and branch-2. Vote will be 7 days, >>ending >> Monday Oct 9 at 11:00AM PDT. >> >> This branch adds a framework to the scheduler to allow scheduler >> configuration mutation on the fly, including a REST and CLI interface, >>and >> an interface for the scheduler configuration backing store. Currently >>the >> capacity scheduler implements this framework. >> >> Umbrella is here (YARN-5734 >> <https://issues.apache.org/jira/browse/YARN-5734>), jenkins build is >>here >> ( >> YARN-7241 <https://issues.apache.org/jira/browse/YARN-7241>). All >>required >> tasks for this feature are committed. Since this feature changes RM >>only, >> we have tested this on a local RM setup with a suite of configuration >> changes with no issue so far. >> >> Key points: >> - The feature is turned off by default, and must be explicitly >>configured >> to turn on. When turned off, the behavior reverts back to the original >>file >> based mechanism for changing scheduler configuration (i.e. yarn rmadmin >> -refreshQueues). >> - The framework was designed in a way to be extendable to other >>schedulers >> (most notably FairScheduler). >> - A pluggable ACL policy (YARN-5949 >> <https://issues.apache.org/jira/browse/YARN-5949>) allows admins >> fine-grained control for who can change what configurations. >> - The configuration storage backend is also pluggable. Currently an >> in-memory, leveldb, and zookeeper implementation are supported. >> >> There were 15 subtasks completed for this feature. >> >> Huge thanks to everyone who helped with reviews, commits, guidance, and >> technical discussion/design, including Carlo Curino, Xuan Gong, Subru >> Krishnan, Min Shen, Konstantin Shvachko, Carl Steinbach, Wangda Tan, >>Vinod >> Kumar Vavilapalli, Suja Viswesan, Zhe Zhang, Ye Zhou. >> >> [1] >> http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201709.mbox/% >> 3CCAHzWLgfEAgczjcEOUCg-03ma3ROtO=pkec9dpggyx9rzf3n...@mail.gmail.com%3E >> >> Jonathan Hung >> --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
