Github user jisookim0513 commented on a diff in the pull request:
https://github.com/apache/spark/pull/16714#discussion_r101442539
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/EventLoggingListener.scala ---
@@ -64,6 +64,12 @@ private[spark] class EventLoggingListener(
private val shouldOverwrite =
sparkConf.getBoolean("spark.eventLog.overwrite", false)
private val testing = sparkConf.getBoolean("spark.eventLog.testing",
false)
private val outputBufferSize =
sparkConf.getInt("spark.eventLog.buffer.kb", 100) * 1024
+ // To reduce the size of event logs, we can omit logging all of internal
accumulables for metrics.
+ private val omitInternalAccumulables =
+ sparkConf.getBoolean("spark.eventLog.omitInternalAccumulables", false)
+ // To reduce the size of event logs, we can omit logging "Updated Block
Statuses" metric.
+ private val omitUpdatedBlockStatuses =
+ sparkConf.getBoolean("spark.eventLog.omitUpdatedBlockStatuses", false)
--- End diff --
I am not sure if updated block statuses are used for the UI. At first, I
was wondering if the information was used to reconstruct Storage page but I
checked the usage of `TaskMetrics.updatedBlockStatues` and it doesn't seem to
be used anywhere except for when the task metrics is converted to JSON object.
Actually, I am not sure if Storage tab is working at all unless I am missing
something. I don't think `/applications/[app-id]/storage/rdd` returns any
meaningful information.
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