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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1650) Upgrade Jetty to 6.x
Date Wed, 12 Nov 2008 02:13:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646778#action_12646778

Chris Douglas commented on HADOOP-1650:

Merged patch with trunk.

The HdfsProxy code was recently checked into contrib. The \_merge and \_delta patches subclass
ProxyHttpServer from HttpServer to collapse some common functionality (i.e. upgrading the
former to use Jetty6, though this doesn't update the packaging). This may not be the appropriate
solution for that component; it may require Jetty5. I'll leave that up to someone with more
insight into its particular use cases. Some of the changes to HttpServer from these patches
would do well merged back into the original, but that can wait until contrib is sorted out.
If we move to Jetty6, Chukwa should also use the jars out of lib instead of keeping its own

If mapred performance doesn't degrade using the basic upgrade- or if it only degrades slightly-
we can move the TaskTracker optimization to a separate issue. We should also run gridmix to
make sure we don't have any stability problems.

> Upgrade Jetty to 6.x
> --------------------
>                 Key: HADOOP-1650
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1650
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>         Attachments: 1650-0.patch, 1650-1_core.patch, 1650-1_merge.patch, 1650-1_proxy_delta.patch,
1650-20080120.patch, 1650-jetty6.1.9.patch, 1650-jetty6.1.9.v1.patch, hadoop-1650-jetty6.1.5.patch,
hadoop-jetty6.1.4-lib.tar.gz, hadoop-jetty6.1.6-lib.tar.gz, hadoop-jetty6.1.9-lib.tar.gz,
jetty-hadoop-6.1.6.patch, jetty-hbase.patch, jetty6.1.4.patch, jetty6.1.6.patch
> This is the third attempt at moving to jetty6. Apparently, the jetty-6.1.4 has fixed
some of the issues we discovered in jetty during HADOOP-736 and HADOOP-1273. I'd like to keep
this issue open for sometime so that we have enough time to test out things.

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