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Posted to common-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2012/10/09 19:24:02 UTC

[jira] [Created] (HADOOP-8905) Add metrics for HTTP Server

Todd Lipcon created HADOOP-8905:
-----------------------------------

             Summary: Add metrics for HTTP Server
                 Key: HADOOP-8905
                 URL: https://issues.apache.org/jira/browse/HADOOP-8905
             Project: Hadoop Common
          Issue Type: Improvement
          Components: metrics
    Affects Versions: 3.0.0
            Reporter: Todd Lipcon


Currently we don't expose any metrics about the HTTP server. It would be useful to be able to monitor the following:
- Number of threads currently actively serving servlet requests
- Total number of requests served
- Perhaps break down time/count by endpoint (eg /jmx, /conf, various JSPs)

This becomes more important as http-based protocols like webhdfs become more common

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