[GitHub] [incubator-uniffle] colinmjj commented on pull request #192: [ISSUE-186][Feature] Use I/O cost time to select storage paths

[GitBox <gi...@apache.org>]

colinmjj commented on PR #192:
URL: https://github.com/apache/incubator-uniffle/pull/192#issuecomment-1236509050

   @smallzhongfeng For this update, agree @jerqi to add the common interface with the default strategy. I prefer to add common strategy in the project, for specific strategy, it can be implemented by user as a plugin.
   The current strategy to test HDFS's workload depend on the communication between Coordinator and DN, so it can't tell if shuffle server has problem with HDFS. On the other hand, we don't know when the shuffle process happen after registration, maybe 10s, maybe 1 hr, and situation will be different from registration.


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