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From GitBox <...@apache.org>
Subject [GitHub] [zookeeper] lvfangmin opened a new pull request #1026: [ZOOKEEPER-3472] Treat check request as a write request which needs to wait for the check txn commit from leader
Date Sun, 28 Jul 2019 18:25:34 GMT
lvfangmin opened a new pull request #1026: [ZOOKEEPER-3472] Treat check request as a write
request which needs to wait for the check txn commit from leader
URL: https://github.com/apache/zookeeper/pull/1026
 
 
   Check op is usually used as a sub op in multi, but from the ZooKeeper server implementation
it can also called separately, the learner will forward this request to leader, and the leader
will check the version with the given version in the request, and generate a txn (error) in
the quorum.
    
   There is no explicit API exposed for check, but it could leave an issue there if the check
API is exposed in the future.
   
   Also because the check API is not exposed, we cannot write an E2E test for check here.

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