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From Iñigo Goiri <elgo...@gmail.com>
Subject Re: [DISCUSS] Merge HDFS-13891(RBF) to trunk
Date Mon, 10 Jun 2019 17:05:55 GMT
+1 from my side.


I also added a comment to HDFS-14268 explaining the reasons to modify
ECBlockGroupStats.
We can follow up into possible changes there if needed.

On Mon, Jun 10, 2019 at 8:10 AM Arpit Agarwal <aagarwal@cloudera.com.invalid>
wrote:

> I scanned the merge payload for changes to non-RBF code. The changes are
> minimal, which is good.
>
> The only commit that I didn’t understand was:
> https://issues.apache.org/jira/browse/HDFS-14268 <
> https://issues.apache.org/jira/browse/HDFS-14268>
>
> The jira description doesn’t make it clear why ECBlockGroupStats is
> modified.
>
> +0 apart from that.
>
>
> > On Jun 1, 2019, at 8:40 PM, Brahma Reddy Battula <brahma@apache.org>
> wrote:
> >
> > Dear Hadoop Developers
> >
> > I would like to propose RBF Branch (HDFS-13891) merge into trunk. We have
> > been working on this feature from last several months.
> > This feature work received the contributions from different companies.
> All
> > of the feature development happened smoothly and collaboratively in
> JIRAs.
> >
> > Kindly do take a look at the branch and raise issues/concerns that need
> to
> > be addressed before the merge.
> >
> > *Highlights of HDFS-13891 Branch:*
> > =============================
> >
> > Adding Security to RBF(1)
> > Adding Missing Client API's(2)
> > Improvements/Bug Fixing
> >  Critical - HDFS-13637, HDFS-13834
> >
> > *Commits:*
> > ========
> >
> > No of JIRAs Resolved: 72
> >
> > All this commits are in RBF Module. No changes in hdfs/common.
> >
> > *Tested Cluster:*
> > =============
> >
> > Most of these changes verified at Uber,Microsoft,Huawei and some other
> > compaines.
> >
> > *Uber*: Most changes are running in production @Uber including the
> critical
> > security changes, HDFS Clusters are 4000+ nodes with 8 HDFS Routers.
> > Zookeeper as a state store to hold delegation tokens were also stress
> > tested to hold more than 2 Million tokens. --CR Hota
> >
> > *MicroSoft*: Most of these changes are currently running in production at
> > Microsoft.The security has also been tested in a 500 server cluster with
> 4
> > subclsuters. --Inigo Goiri
> >
> > *Huawei* : Deployed all this changes in 20 node cluster with 3
> > routers.Planning deploy 10K production cluster.
> >
> > *Contributors:*
> > ===========
> >
> > Many thanks to Akira Ajisaka,Mohammad Arshad,Takanobu Asanuma,Shubham
> > Dewan,CR Hota,Fei Hui,Inigo Goiri,Dibyendu Karmakar,Fengna Li,Gang
> > Li,Surendra Singh Lihore,Ranith Sardar,Ayush Saxena,He Xiaoqiao,Sherwood
> > Zheng,Daryn Sharp,VinayaKumar B,Anu Engineer for invloving discussions
> and
> > contributing to this.
> >
> > *Future Tasks:*
> > ============
> >
> > will cleanup the jira's under this umbrella and contiue to work.
> >
> > Reference:
> > 1) https://issues.apache.org/jira/browse/HDFS-13532
> > 2) https://issues.apache.org/jira/browse/HDFS-13655
> >
> >
> >
> >
> > --Brahma Reddy Battula
>
>

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