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From "Yuanbo Liu (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-10593) MAX_DIR_ITEMS should not be hard coded since RPC buff size is configurable
Date Tue, 05 Jul 2016 06:07:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15362065#comment-15362065
] 

Yuanbo Liu edited comment on HDFS-10593 at 7/5/16 6:06 AM:
-----------------------------------------------------------

[~andrew.wang]/[~cnauroth] I also tag you two in this loop, and hope to get your thoughts.


was (Author: yuanbo):
[~andrew.wang][~cnauroth] I also tag you two in this loop, and hope to get your thoughts.

> MAX_DIR_ITEMS should not be hard coded since RPC buff size is configurable 
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-10593
>                 URL: https://issues.apache.org/jira/browse/HDFS-10593
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Yuanbo Liu
>
> In HDFS, "dfs.namenode.fs-limits.max-directory-items" was introduced in HDFS-6102 to
restrict max items of single directory, and the value of it can not be larger than the value
of MAX_DIR_ITEMS. Since "ipc.maximum.data.length" was added in HADOOP-9676 and documented
in HADOOP-13039 to make maximum RPC buffer size configurable, it's not proper to hard code
the value of MAX_DIR_ITEMS in {{FSDirectory}}.



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