> On May 26, 2016, 4:42 p.m., Jonathan Hurley wrote: > > ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml, > > lines 860-863 > > <https://reviews.apache.org/r/47871/diff/1/?file=1395104#file1395104line860> > > > > The Jira says: > > ``` > > Delete Storm data on ZK only once > > Delete Storm local data on all Storm hosts > > ``` > > > > Nimbus's cardinality is 1, right? If so, then that's fine - I just want > > to make sure we can't possible be deleting ZK data more than once.
Yes, cardinality is 1. The command to delete storm data from ZK is idempotent (rmr still works if the znode does not exist). - Alejandro ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/47871/#review135001 ----------------------------------------------------------- On May 26, 2016, 1:54 a.m., Alejandro Fernandez wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/47871/ > ----------------------------------------------------------- > > (Updated May 26, 2016, 1:54 a.m.) > > > Review request for Ambari, Andrew Onischuk, Dmitro Lisnichenko, Jonathan > Hurley, Nate Cole, and Swapan Shridhar. > > > Bugs: AMBARI-16648 > https://issues.apache.org/jira/browse/AMBARI-16648 > > > Repository: ambari > > > Description > ------- > > HDP 2.5 is introducing breaking changes for Storm, so must apply config > changes and delete all local storm data plus data on Zookeeper. > EU and RU from HDP 2.3 -> 2.5 and 2.4 -> 2.5 must do the following > > Apply config changes > Delete Storm data on ZK only once > Delete Storm local data on all Storm hosts > > > Diffs > ----- > > > ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.5.xml > dd033b8 > ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.4.xml > 525a356 > ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml > 9ee3e88 > > ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.5.xml > 625b851 > ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.4.xml > 58aa95f > ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.5.xml > cdb8634 > ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/config-upgrade.xml > 5211276 > ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.5.xml > d90d76d > > Diff: https://reviews.apache.org/r/47871/diff/ > > > Testing > ------- > > Testing on EU/RU from HDP 2.3 -> 2.5 and 2.4 -> 2.5 with Storm > > > Thanks, > > Alejandro Fernandez > >
