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 <bra...@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
