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https://issues.apache.org/jira/browse/SPARK-5181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14271887#comment-14271887
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Apache Spark commented on SPARK-5181:
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User 'CodingCat' has created a pull request for this issue:
https://github.com/apache/spark/pull/3985
> inaccurate log when WAL is disabled
> -----------------------------------
>
> Key: SPARK-5181
> URL: https://issues.apache.org/jira/browse/SPARK-5181
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.2.0
> Reporter: Nan Zhu
>
> Currently, even the logManager is not created, we still see the log entry
> s"Writing to log $record"
> because of the following lines
> {code:title=ReceivedBlockTracker.scala|borderStyle=solid}
> /** Write an update to the tracker to the write ahead log */
> private def writeToLog(record: ReceivedBlockTrackerLogEvent) {
> logDebug(s"Writing to log $record")
> logManagerOption.foreach { logManager =>
> logManager.writeToLog(ByteBuffer.wrap(Utils.serialize(record)))
> }
> }
> {code}
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