Duo Zhang
Duo Zhang
Mind explaining a bit about the fix?
Any updates here? Thanks.
Can we make sure that removing this dependency is safe? Does hadoop still use netty 3? If not, why they still declare it as a dependency? And maybe zookeeper still...
Why change from throwing an exception to returning false?
I still need to check the code. This is a very critical part, if we run InitMetaProcedure when meta exists, it could cause serious data loss problem... We should try...
After chekcing the code, I think the correct way for fixing this problem is to do the work in HMaster.tryMigrateMetaLocationsFromZooKeeper. We can some more code in this method, to check...
And do we have read replica support on 1.x? Do we also need to insert the record for secondary replicas?
> > then insert a record to the master region so we can skip scheduling the InitMetaProcedure. > > We can insert record but we may not know the state...
> @Apache9 I have tried your suggestion of creating put entry of meta table in master region which gets filled in regionstates and helps to avoid calling init meta procedure...
Please fix the conflicts. And how do you plan to reduce the pressure on NN when fetching the accessTime? Or is this not a big problem? Thanks.