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https://issues.apache.org/jira/browse/HDFS-3961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas resolved HDFS-3961.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.2.0
Assignee: Jing Zhao
Hadoop Flags: Reviewed
I committed the patch to branch-1. Thank you Jing.
> FSEditLog preallocate() needs to reset the position of PREALLOCATE_BUFFER
> when more than 1MB size is needed
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3961
> URL: https://issues.apache.org/jira/browse/HDFS-3961
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: 1.2.0
>
> Attachments: HDFS-3961.patch
>
>
> In the new preallocate() function, when the required size is larger 1MB, we
> need to reset the position for PREALLOCATION_BUFFER every time when we have
> allocated 1MB. Otherwise seems only 1MB can be allocated even if need is
> larger than 1MB.
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