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https://issues.apache.org/jira/browse/SPARK-20391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060097#comment-16060097
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Jose Soltren commented on SPARK-20391:
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So, this is months old now and irrelevant, but since you pinged me, I'll say
that jerryshao's changes look fine to me. Thanks.
> Properly rename the memory related fields in ExecutorSummary REST API
> ---------------------------------------------------------------------
>
> Key: SPARK-20391
> URL: https://issues.apache.org/jira/browse/SPARK-20391
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Saisai Shao
> Assignee: Saisai Shao
> Priority: Blocker
> Fix For: 2.2.0
>
>
> Currently in Spark we could get executor summary through REST API
> {{/api/v1/applications/<app-id>/executors}}. The format of executor summary
> is:
> {code}
> class ExecutorSummary private[spark](
> val id: String,
> val hostPort: String,
> val isActive: Boolean,
> val rddBlocks: Int,
> val memoryUsed: Long,
> val diskUsed: Long,
> val totalCores: Int,
> val maxTasks: Int,
> val activeTasks: Int,
> val failedTasks: Int,
> val completedTasks: Int,
> val totalTasks: Int,
> val totalDuration: Long,
> val totalGCTime: Long,
> val totalInputBytes: Long,
> val totalShuffleRead: Long,
> val totalShuffleWrite: Long,
> val isBlacklisted: Boolean,
> val maxMemory: Long,
> val executorLogs: Map[String, String],
> val onHeapMemoryUsed: Option[Long],
> val offHeapMemoryUsed: Option[Long],
> val maxOnHeapMemory: Option[Long],
> val maxOffHeapMemory: Option[Long])
> {code}
> Here are 6 memory related fields: {{memoryUsed}}, {{maxMemory}},
> {{onHeapMemoryUsed}}, {{offHeapMemoryUsed}}, {{maxOnHeapMemory}},
> {{maxOffHeapMemory}}.
> These all 6 fields reflects the *storage* memory usage in Spark, but from the
> name of this 6 fields, user doesn't really know it is referring to *storage*
> memory or the total memory (storage memory + execution memory). This will be
> misleading.
> So I think we should properly rename these fields to reflect their real
> meanings. Or we should will document it.
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