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https://issues.apache.org/jira/browse/HDFS-4979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13709105#comment-13709105
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Suresh Srinivas commented on HDFS-4979:
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I noticed that where I am setting boolean {{success}} to true in try blocks is
susceptible to issues related to reordered writes. I am going to change them to
AtomicBoolean in my next patch. Any one wants to take a stab at reviewing this
patch?
bq. The above two cases are different because the return type is a
comprehensive object. Hence instead of storing the object in retry cache, it is
generated during retry attempts. In the following cases, return type is a
simple object. Hence it results in simple handling with just void, string or
boolean returned.
In order to save some memory, should we order complexity or just hold on to the
previous response? Thoughts?
> Implement retry cache on the namenode
> -------------------------------------
>
> Key: HDFS-4979
> URL: https://issues.apache.org/jira/browse/HDFS-4979
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HDFS-4979.1.patch, HDFS-4979.2.patch, HDFS-4979.patch
>
>
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