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https://issues.apache.org/jira/browse/FLINK-20460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262083#comment-17262083
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TingWuHuang commented on FLINK-20460:
-------------------------------------

We have recently completed development of this feature and found that only 
version 2.0 supports async client,but HBASE 1.0 version doesn't provide async 
methods. .So there are now three ways to do this: first, define a thread pool 
call to the synchronous client to simulate an asynchronous request; The second 
only Hbase2.2 connector uses asynchronous requests.The third kind of 
asynchronous client that introduces external implementation, such as 
Asynchbase. However, the functions they provide can only retrieve column data 
for the column family one at a time. From the above analysis, maybe the first 
way is better.If you agree, could you please assgin it to me. Thank. 
[~jark],cc

> Support async lookup for HBase connector
> ----------------------------------------
>
>                 Key: FLINK-20460
>                 URL: https://issues.apache.org/jira/browse/FLINK-20460
>             Project: Flink
>          Issue Type: New Feature
>          Components: Connectors / HBase, Table SQL / Ecosystem
>            Reporter: Jark Wu
>            Priority: Major
>
> Currenlty, {{HBaseRowDataLookupFunction}} implements {{TableFunction}} which 
> is a sync operation. Would be better to have an {{AsyncTableFunction}} 
> implementation which has better performance. 



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