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Yu Li commented on HBASE-15921: ------------------------------- Thanks for the reference here [~Apache9], and sorry for the late response (don't want to use 11-11 as excuse but really kind of exhausted preparing for it...) I've noticed that there're some good refactoring work done recently on the RpcClient part, so I need some more time to do some code rebase and give some brief demo later (I think some demo codes would help to understand than simply words.:-)). Basically, our implementation based on PB's {{RpcCallback}} interface, but to be honest, we don't take much consideration of region replica part for now especially for the batch request. And we support callback and future separately rather than a mature interface like ListenableFuture or CompletableFuture. So I believe there're still quite some discussion in need but I'll supply a simple demo first, ASAP. I've also noticed the work [~chenheng] is doing about unifying all operations into AsyncProcess, but when I did the async table implementation based on branch-1, I truly found AsyncProcess complicated and hard to coordinate all async logic in, so I guess we need more discussion here also. Anyway, let me prepare the sample patch first. > Add first AsyncTable impl and create TableImpl based on it > ---------------------------------------------------------- > > Key: HBASE-15921 > URL: https://issues.apache.org/jira/browse/HBASE-15921 > Project: HBase > Issue Type: Improvement > Reporter: Jurriaan Mous > Assignee: Jurriaan Mous > Attachments: HBASE-15921.patch, HBASE-15921.v1.patch > > > First we create an AsyncTable interface with implementation without the Scan > functionality. Those will land in a separate patch since they need a refactor > of existing scans. > Also added is a new TableImpl to replace HTable. It uses the AsyncTableImpl > internally and should be a bit faster because it does jump through less hoops > to do ProtoBuf transportation. This way we can run all existing tests on the > AsyncTableImpl to guarantee its quality. -- This message was sent by Atlassian JIRA (v6.3.4#6332)