Adds "hbase.master.executor.merge.dispatch.threads" and defaults to 2.
Also adds additional logging that includes the number of split plans
and merge plans computed for each normalizer run.
(cherry picked from commit 36b4698cea9485f4d491612342b8c841e1c3db86)
Signed-off-by: Viraj Jasani <vjasani@apache.org>
Signed-off-by: Wellington Chevreuil <wchevreuil@apache.org>
Signed-off-by: Andrew Purtell <apurtell@apache.org>
b930ea1ebb