[HBASE-7171] Initial web UI for region/memstore/storefiles details - ASF JIRA

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~~HBASE-7171~~ adds 2 new pages to the region server Web UI to ease debugging and provide greater insight into the physical data layout.

Region names in UI table listing all regions (on the RS status page) are now hyperlinks leading to region detail page which shows some aggregate memstore information (currently just memory used) along with the list of all Store Files (HFiles) in the region. Names of Store Files are also hyperlinks leading to Store File detail page, which currently runs 'hbase hfile' command behind the scene and displays statistics about store file.

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HBASE-7171 adds 2 new pages to the region server Web UI to ease debugging and provide greater insight into the physical data layout. Region names in UI table listing all regions (on the RS status page) are now hyperlinks leading to region detail page which shows some aggregate memstore information (currently just memory used) along with the list of all Store Files (HFiles) in the region. Names of Store Files are also hyperlinks leading to Store File detail page, which currently runs 'hbase hfile' command behind the scene and displays statistics about store file.
Tags:
beginner

Click on a region in UI and get a listing of hfiles in HDFS and summary of memstore content; click on an HFile and see its content

is related to

HBASE-14534 Bump yammer/coda/dropwizard metrics dependency version