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https://issues.apache.org/jira/browse/SPARK-18729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-18729:
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Assignee: Apache Spark (was: Shixiong Zhu)
> MemorySink should not call DataFrame.collect when holding a lock
> ----------------------------------------------------------------
>
> Key: SPARK-18729
> URL: https://issues.apache.org/jira/browse/SPARK-18729
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Reporter: Shixiong Zhu
> Assignee: Apache Spark
>
> Otherwise, other threads cannot query the content in MemorySink when
> `DataFrame.collect` takes long time to finish.
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