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Posted to issues@bookkeeper.apache.org by GitBox <gi...@apache.org> on 2018/05/02 18:06:06 UTC

[GitHub] sijie opened a new pull request #1378: [table service] Fix `ConcurrentModificationException` on accessing component configuration

sijie opened a new pull request #1378: [table service] Fix `ConcurrentModificationException` on accessing component configuration
URL: https://github.com/apache/bookkeeper/pull/1378
 
 
   
   
   Descriptions of the changes in this PR:
   
   
   *Motiviation*
   
   Currently when running table service in standalone mode, it occasionally throws `ConcurrentModificationException`. Because
   multiple components are sharing same underlying composite configuration. It causes the contention between copying keys and retrieving keys.
   
   *Solution*
   
   Change the component configuration to use a concurrent hashmap based configuration. Also changed the `loadConf` behavior to copy the keys / sub-keys
   into the component configuration. This prevents components sharing same underlying composite configuration.

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