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

• Type: Improvement
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha-1, 2.0.0, 1.4.6
• Component/s: canary
• Labels: Canary
• Flags: Patch
• External issue URL: https://reviews.apache.org/r/68097/
• Assignee: Xu Cang
• Reporter: Xu Cang
• Created: 23/Jul/18 18:29
• Updated: 09/Jan/19 02:00

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======================

Issue Links

• links to: review