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Posted to issues@kudu.apache.org by "wangningito (Jira)" <ji...@apache.org> on 2021/02/25 15:59:00 UTC

[jira] [Created] (KUDU-3251) Support atomic append on a string field or increment of an int field

wangningito created KUDU-3251:
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             Summary: Support atomic append on a string field or increment of an int field
                 Key: KUDU-3251
                 URL: https://issues.apache.org/jira/browse/KUDU-3251
             Project: Kudu
          Issue Type: New Feature
            Reporter: wangningito


For some scenarios, the user may only want increase/decrease the for numeric field, or append a suffix to string field.

Currently, it could be implemented with application. 
 # load data with scan
 # apply increment/decrement in memory
 # send a increased/decreased value to server with updateRpc.

Despite the poor performance, it also would make result error when multiple process/threads is doing ingestion. 

Introduce this may make some thing easier.



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