Hi Wei-Chiu and Brahma, +1 for the proposal.
Normally we expect the NameNode layout version is the same between bugfix releases. However, HDFS-15566 is a serious issue. Therefore I think we can bump the layout version even in the bugfix release if the new layout version is required to fix the issue. Thanks, Akira On Fri, Apr 23, 2021 at 12:40 PM Wei-Chiu Chuang <weic...@apache.org> wrote: > > Hello I want to discuss this with the wider community. > > In HDFS-15624 (fix the function of setting quota by storage type), A new > layout version was added > NVDIMM_SUPPORT(-66, -61, "Support NVDIMM storage type"); > This was added for 3.4.0 (trunk) > > However, there's another jira > HDFS-15566 (NN restart fails after RollingUpgrade from 3.1.3/3.2.1 to 3.3.0) > SNAPSHOT_MODIFICATION_TIME(-66, -61, "Support modification time for > snapshot"); > > where Brahma wanted to add a new layout version in branch-3.3 (3.3.1). The > patch got stalled awhile ago and I'm trying to commit it in preparation of > 3.3.1 release. > > However, both new layout versions conflict because they intend to use the > new same version id. We can't release 3.3.1 without HDFS-15566 but we can't > use layout id -66 because of HDFS-15624. > > I propose: > revert HDFS-15624 (NVDIMM_SUPPORT), > commit HDFS-15566 (SNAPSHOT_MODIFICATION_TIME) > re-work on HDFS-15624 but with layout version id -67 > > Thoughts? > Wei-Chiu --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
