One more update from me. We didn't face any issues with YARN, for HDFS you can have a look at the following jira's.
https://issues.apache.org/jira/browse/HDFS-13596 https://issues.apache.org/jira/browse/HDFS-14396 https://issues.apache.org/jira/browse/HDFS-14509 Following jira is incompatible for ACL commands.Only hadoop-3 clients will work against hadoop-3 server during the upgrade. https://issues.apache.org/jira/browse/HDFS-6984 On Wed, Aug 26, 2020 at 11:06 PM Brahma Reddy Battula <bra...@apache.org> wrote: > > Hi Eric, > > check the following references for the same. > > 01/02/2020 Didi talked about their large scale HDFS cluster upgrade > experience. > > Slides: > https://drive.google.com/open?id=1iwJ1asalYfgnOCBuE-RfeG-NpSocjIcy > > Recording: > https://cloudera.zoom.us/rec/share/7MF_dLX0339OY5391xvkZP8NLrXieaa8gyZK-fYJnUkGOUUXvaUh5cl_6AVYetQl > > Didi studied two upgrade approaches from the community documentation: > express upgrade and rolling upgrade. Rolling upgrade was selected. > > Yahoo Japan was trying out from hadoop-2.6 to hadop-3.2.1 > > https://techblog.yahoo.co.jp/entry/20191206786320/ > > On Wed, Aug 26, 2020 at 6:56 PM epa...@apache.org <epa...@apache.org> > wrote: > >> Hello. Just a reminder that today I would like to invite you all to >> discuss your >> experiences migrating from Hadoop 2 to Hadoop 3. >> >> -Eric >> >> On Monday, August 24, 2020, 1:58:37 PM CDT, epa...@apache.org < >> epa...@apache.org> wrote: >> >> Hello everyone! >> >> We are considering migrating to Hadoop 3, and we would be very interested >> to >> hear about your experiences. If you have migrated from Hadoop 2 to Hadoop >> 3 >> and can provide insights, please kindly consider attending the following: >> >> Date: Wednesday, Aug 26, 2020 >> Time: 10:00 A.M. PDT / 12:00 P.M. CDT / 01:00 P.M. EDT / 05:00 P.M. GMT >> Location: Zoom: https://cloudera.zoom.us/j/880548968 >> >> Hope to see you there! >> >> Thank you! >> Eric Payne >> @ Verizon Media >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org >> For additional commands, e-mail: common-dev-h...@hadoop.apache.org >> >> > > -- > > > > --Brahma Reddy Battula > -- --Brahma Reddy Battula
