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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/09 00:30:04 UTC
[GitHub] [spark] attilapiros commented on issue #24554: [SPARK-27622][Core]
Avoiding the network when block manager fetches disk persisted RDD blocks
from the same host
attilapiros commented on issue #24554: [SPARK-27622][Core] Avoiding the network when block manager fetches disk persisted RDD blocks from the same host
URL: https://github.com/apache/spark/pull/24554#issuecomment-490699288
I can see one more possible improvement here: in `BlockManagerMasterEndpoint#getLocationsAndStatus` I can remove that block manager ID from the remote locations to which the local directories are given in the `BlockLocationsAndStatus`. As if the direct local disk access failed for that then there is no reason to try it via network too. In a following commit I will make this change.
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