HBASE-28663 Graceful shutdown of CanaryTool timeouts (branch-2)#5992

d-c-manning wants to merge 3 commits intoapache:branch-2apache/hbase:branch-2from

d-c-manning:HBASE-28663-canary-timeouts-branch-2d-c-manning/hbase:HBASE-28663-canary-timeouts-branch-2Copy head branch name to clipboard