Kylin Branches for Different Hadoop/HBase Versions
Because HBase API diverges based on versions and vendors, different code branches have to be maintained for different HBase versions.
The branching design is
- The
master
branch compiles with HBase 1.1, and is also the main branch for development. All bug fixes and new features commits tomaster
only. - The
master-hadoop3.1
branch compiles with Hadoop 3.1 and HBase 1.x. This branch is created by applying several patches on top ofmaster
. In other word,master-hadoop3.1
=master
+patches to support Hadoop 3 and HBase 2.x
. - The
master-hbase0.98
is deprecated; - There are several release maintenance branches like
2.5.x
,2.4.x
. If you have a PR or patch, please let reviewer knows which branch it need be applied. The reviewer should cherry-pick the patch to a specific branch after be merged into master. - No code changes should happen on
master-hadoop3.1
,master-hbase0.98
directly (apart from the last commit on the branch that adapts HBase calls).
There is a script helps to keep these branches in sync: dev-support/sync_hbase_cdh_branches.sh
.