Mike Drob created ACCUMULO-1816:
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Summary: track metrics during scan session
Key: ACCUMULO-1816
URL: https://issues.apache.org/jira/browse/ACCUMULO-1816
Project: Accumulo
Issue Type: Improvement
Affects Versions: 1.5.0
Reporter: Mike Drob
It would be useful to track and display certain metrics on scan sessions.
Initially, I would be interested in seeing bytes read, bytes returned, entries
read, entries returned, and seeks performed by a scan session.
This information should be available through the {{listscans}} command. Some of
it is currently on the monitor, but aggregated and not useful for debugging.
Providing that information may be a security concern because it suggests the
existence of rows that a user cannot see, but I think if we hide the command
behind some permission then operators can limit it to authorized folks.
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