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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/11/09 05:13:18 UTC

[GitHub] [spark] gengliangwang commented on pull request #38567: [SPARK-41054][UI][CORE] Support RocksDB as KVStore in live UI

gengliangwang commented on PR #38567:
URL: https://github.com/apache/spark/pull/38567#issuecomment-1308222974

   > It seems to not match what is described in the pr description or add equivalent functionality which was reverted
   
   I believe it covers the reverted PR https://github.com/apache/spark/pull/38542. The previous approach is to create an optional disk store for storing a subset of the `SQLExecutionUIData`.
   There are also two shortages:
   * There are no evictions for the UI data on the disk
   * It requires extra memory for reading/writing LevelDB/RocksDB
   
   


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