Add a debugging dump servlet to the master
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Key: HBASE-4292
URL: https://issues.apache.org/jira/browse/HBASE-4292
Project: HBase
Issue Type: New Feature
Components: master
Affects Versions: 0.92.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Fix For: 0.92.0
For debugging clusters, it would be nice to have a single text-only page that
can be "curled" and used for debugging. This servlet will include the following
info:
- build version
- monitored task status
- server list
- recently aborted region servers (see HBASE-4275)
- regions in transition
- executor pool status (see HBASE-4281)
- stack trace of all threads
- configuration
- last N KB of the server's logs
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