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https://issues.apache.org/jira/browse/HADOOP-3797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12615060#action_12615060
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Pete Wyckoff commented on HADOOP-3797:
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The reason for this turns out to be 'ls' itself and not fuse or the kernel. If
one has ls aliased to include --color=blah, ls will stat every file.
The only solution I see is to to some sort of super simple caching of the stat
info when doing the readdir so we can then re-use it on all those stat calls.
The best thing would be if there's a way to put those in fuse's attribute cache
- I will look into that.
-- pete
> FUSE module chokes on directories with lots (10,000+ or so) files
> -----------------------------------------------------------------
>
> Key: HADOOP-3797
> URL: https://issues.apache.org/jira/browse/HADOOP-3797
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/fuse-dfs
> Reporter: Pete Wyckoff
>
> For some reason, fuse is calling getattr for every file after doing a
> readdir. The readdir supplies the same info so there's no reason for the
> getattr calls (that I can see) and it does not do this for subdirectories.
> I don't know why it's doing this, so I sent an email to the fuse development
> list.
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