Zheng Wang created HBASE-27765:
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Summary: Add biggest cell related info web ui
Key: HBASE-27765
URL: https://issues.apache.org/jira/browse/HBASE-27765
Project: HBase
Issue Type: Improvement
Components: HFile, UI
Reporter: Zheng Wang
Assignee: Zheng Wang
There are some disadvantages to large cell, such as can't be cached or cause
memory fragmentation, but currently user can't easily to find them out.
My proposal is save len and key of the biggest cell into fileinfo of hfile, and
shown on web ui, including two places.
1: Add "Len Of Biggest Cell" into main page of regionServer, in here we can
find out which regions has large cell by sorting.
2: Add "Len Of Biggest Cell" and "Key Of Biggest Cell" into region page, in
here we can find out the exactly key and the hfile.
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