Jean-Daniel Cryans created KUDU-2056:
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Summary: Expose a metric for how much a tablet needs to be
compacted
Key: KUDU-2056
URL: https://issues.apache.org/jira/browse/KUDU-2056
Project: Kudu
Issue Type: Improvement
Components: tablet
Reporter: Jean-Daniel Cryans
Now that the maintenance manager is fast at scheduling tasks, I've seen
clusters running 1.4 that are churning through compactions at a high rate with
seemingly no end in sight. At least it *feels* like it, but there's no easy way
to verify.
I think it would be good to have some measure of how "uncompacted" a tablet is.
Todd thinks we could just use the average "height" of what's seen on the
"Rowset Layout Diagram" page.
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