[KUDU-587] Add metrics for LogReader

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Backlog
• Fix Version/s: NA
• Component/s: log
• Target Version/s: Backlog
• Assignee: Unassigned
• Reporter: Todd Lipcon
• Created: 29/Dec/14 16:06
• Updated: 29/May/20 18:35
• Resolved: 29/May/20 18:35

Description

Would be good to have counters for entries/bytes read from the log, as well as histograms for how long it took to do so.