[HBASE-20925] Canary test to expose table availability rate - ASF JIRA

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Details

Type: Improvement
Status: Patch Available
Priority: Major
Resolution: Unresolved
Affects Version/s: 3.0.0-alpha-1, 2.0.0, 1.4.6
Fix Version/s: None
Component/s: canary
Labels:
- Canary

Flags:

Patch
External issue URL:
https://reviews.apache.org/r/68097/

Description

Canary test to expose table availability rate.

It will print table availability rate such as below.

2018-07-27 17:11:06,823 INFO [CanaryMonitor-1532736665083] tool.Canary: ========================================
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: =============== Summary: ===============
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: Read success rate for table : MyTable is: 1.0 .
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: Read success rate for table : mytable3 is: 0.9
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: Read success rate for table : mytable2 is: 0.8
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: Read success rate for table : mytable4 is: 1.0
2018-07-27 17:11:06,824 INFO [CanaryMonitor-1532736665083] tool.Canary: ===============END======================