[
https://issues.apache.org/jira/browse/HADOOP-15882?focusedWorklogId=561914&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-561914
]
ASF GitHub Bot logged work on HADOOP-15882:
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Author: ASF GitHub Bot
Created on: 07/Mar/21 08:02
Start Date: 07/Mar/21 08:02
Worklog Time Spent: 10m
Work Description: lamber-ken opened a new pull request #2751:
URL: https://github.com/apache/hadoop/pull/2751
## ISSUE
https://issues.apache.org/jira/browse/HDFS-15882
## NOTICE
- `rw` Open for reading and writing. If the file does not already exist
then an attempt will be made to create it.
- `rws` Require that every update to the file's content or metadata be
written synchronously to the underlying storage device.
From the literal meaning of this variable `shouldSyncWritesAndSkipFsync`, we
should use `rws` when shouldSyncWritesAndSkipFsync is false.
We use SATA disk to store the journal node's data. It's not effective for
improving RPC performance whether the `shouldSyncWritesAndSkipFsync` variable
is true or false. it's caused by initializing RandomAccessFile incorrectly.
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Issue Time Tracking
-------------------
Worklog Id: (was: 561914)
Remaining Estimate: 0h
Time Spent: 10m
> Upgrade maven-shade-plugin from 2.4.3 to 3.2.0
> ----------------------------------------------
>
> Key: HADOOP-15882
> URL: https://issues.apache.org/jira/browse/HADOOP-15882
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
> Fix For: 3.2.0, 3.0.4, 3.3.0, 3.1.2
>
> Attachments: HADOOP-15882.1.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> While working on HADOOP-15815, we have faced a shaded-client error. Please
> see [~bharatviswa]'s comment
> [here|https://issues.apache.org/jira/browse/HADOOP-15815?focusedCommentId=16662718&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16662718].
> MSHADE-242 and MSHADE-258 are needed to fix it. Let's upgrade
> maven-shade-plugin to 3.1.0 or later.
>
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