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https://issues.apache.org/jira/browse/HADOOP-2447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553424
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Doug Cutting commented on HADOOP-2447:
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> Heap: 34 M/b
Oops. This might better be:
Heap: 34 / 90 MB (37%)
Where these would be the results of Runtime.getTotalMemory() and
Runtime.getMaxMemory(). Then one could compare the two percentages (of objects
and of maximum memory) to decide whether it was safe to increase the maximum
number of objects, with lots of provisos.
> HDFS should be capable of limiting the total number of inodes in the system
> ---------------------------------------------------------------------------
>
> Key: HADOOP-2447
> URL: https://issues.apache.org/jira/browse/HADOOP-2447
> Project: Hadoop
> Issue Type: New Feature
> Reporter: Sameer Paranjpye
> Assignee: dhruba borthakur
> Fix For: 0.16.0
>
> Attachments: fileLimit.patch
>
>
> The HDFS Namenode should be capable of limiting the total number of Inodes
> (files + directories). The can be done through a config variable, settable in
> hadoop-site.xml. The default should be no limit.
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