[HBASE-22975] Add read and write QPS metrics at server level and table level

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.0, 1.4.10
• Fix Version/s: 3.0.0-alpha-1, 1.5.0, 1.4.11, 2.1.7, 2.2.2
• Component/s: metrics
• Hadoop Flags: Reviewed

Release Note

This issue adds read and write QPS(query per second) metrics at server and table level. The table level QPS metrics aggregation at the per-table for each RegionServer.

Using DropwizardMeter data structure to calculate QPS. And the metrics can be obtained from JMX.

• Assignee: Baiqiang Zhao
• Reporter: Baiqiang Zhao
• Created: 05/Sep/19 09:32
• Updated: 19/Mar/21 04:27
• Resolved: 23/Sep/19 07:18

Description

Use HBase‘s existing class DropwizardMeter to collect read and write QPS. The collected location is the same as metrics readRequestsCount and writeRequestsCount.

Issue Links

• links to: GitHub Pull Request #615
• links to: GitHub Pull Request #648

Sub-Tasks

• Server+table counters on each scan #nextRaw invocation becomes a bottleneck when heavy load: Resolved
• Add a switch for server/table queryMeter: Resolved
• Backport "HBASE-25681 Add a switch for server/table queryMeter" to branch-2 and branch-1: Resolved