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https://issues.apache.org/jira/browse/HADOOP-17195?focusedWorklogId=651344&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-651344
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ASF GitHub Bot logged work on HADOOP-17195:
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Author: ASF GitHub Bot
Created on: 15/Sep/21 21:29
Start Date: 15/Sep/21 21:29
Worklog Time Spent: 10m
Work Description: steveloughran commented on pull request #3406:
URL: https://github.com/apache/hadoop/pull/3406#issuecomment-920396035
@mehakmeet , sorry, accidentally merged this to trunk as I thought I was
committing the CSE Branch. Reverted-but this branch is closed. please can you
create a new one
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Issue Time Tracking
-------------------
Worklog Id: (was: 651344)
Time Spent: 4h 10m (was: 4h)
> Intermittent OutOfMemory error while performing hdfs CopyFromLocal to abfs
> ---------------------------------------------------------------------------
>
> Key: HADOOP-17195
> URL: https://issues.apache.org/jira/browse/HADOOP-17195
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/azure
> Affects Versions: 3.3.0
> Reporter: Mehakmeet Singh
> Assignee: Mehakmeet Singh
> Priority: Major
> Labels: abfsactive, pull-request-available
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> OutOfMemory error due to new ThreadPools being made each time
> AbfsOutputStream is created. Since threadPool aren't limited a lot of data is
> loaded in buffer and thus it causes OutOfMemory error.
> Possible fixes:
> - Limit the number of ThreadCounts while performing hdfs copyFromLocal (Using
> -t property).
> - Reducing OUTPUT_BUFFER_SIZE significantly which would limit the amount of
> buffer to be loaded in threads.
> - Don't create new ThreadPools each time AbfsOutputStream is created and
> limit the number of ThreadPools each AbfsOutputStream could create.
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