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https://issues.apache.org/jira/browse/HADOOP-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620313#action_12620313
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Doug Cutting commented on HADOOP-3854:
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I don't see where this is limited to user-facing pages.
+ handler.addFilterPathMapping("*", filtername, Dispatcher.__ALL);
That looks like it adds it for every request. Don't we need to add a mapping
per daemon that restricts this to user-facing pages? For example, the
TaskTracker uses the same HTTP daemon for user-facing pages and for the
shuffle. Do we want to run these filters for shuffle requests? I don't think
so.
> org.apache.hadoop.http.HttpServer should support user configurable filter
> -------------------------------------------------------------------------
>
> Key: HADOOP-3854
> URL: https://issues.apache.org/jira/browse/HADOOP-3854
> Project: Hadoop Core
> Issue Type: New Feature
> Reporter: Tsz Wo (Nicholas), SZE
> Attachments: 3854_20080729.patch, 3854_20080730.patch,
> 3854_20080805.patch, LoggingFilter.java, SampleInitializer.java
>
>
> Filters provide universal functions such as authentication, logging and
> auditing, etc. HttpServer should support configurable filters, so that
> individual site administrators could possibly configure filters for their web
> site.
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