Ngone51 commented on code in PR #38668:
URL: https://github.com/apache/spark/pull/38668#discussion_r1035963605
##########
core/src/main/scala/org/apache/spark/storage/BlockManagerDecommissioner.scala:
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@@ -125,7 +126,10 @@ private[storage] class BlockManagerDecommissioner(
logDebug(s"Migrated sub-block $blockId")
}
}
- logInfo(s"Migrated $shuffleBlockInfo to $peer")
+ lazy val endTime = System.currentTimeMillis()
+ lazy val totalBlockSize = Utils.bytesToString(blocks.map(b =>
b._2.size()).sum)
+ logInfo(s"Migrated $shuffleBlockInfo (" +
+ s"size: $totalBlockSize) to $peer in ${endTime - startTime}
ms")
Review Comment:
How about
```suggestion
logInfo(s"Migrated $shuffleBlockInfo (" +
s"size: ${Utils.bytesToString(blocks.map(b =>
b._2.size()).sum)}) to $peer in ${System.currentTimeMillis() - startTime} ms")
```
to avoid those two lazy variables?
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