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Posted to dev@helix.apache.org by GitBox <gi...@apache.org> on 2019/07/26 22:56:08 UTC

[GitHub] [helix] jiajunwang opened a new pull request #363: Fix the race condition while Helix refresh cluster status cache.

jiajunwang opened a new pull request #363: Fix the race condition while Helix refresh cluster status cache.
URL: https://github.com/apache/helix/pull/363
 
 
   ### Issues
   #331
   ### Description
   The design is ensuring one read only to avoid locking during the change notification. However, a later update introduced addition read. The result is that two reads may have different results because notification is lock free. This leads the cache to be in an inconsistent state. The impact is that the expected rebalance might not happen.
   ### Tests
   Running
   

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