[HBASE-22982] Send SIGSTOP to hang or SIGCONT to resume rs and add graceful rolling restart

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.2.3, 1.7.0
• Component/s: integration tests
• Assignee: Szabolcs Bukros
• Reporter: Szabolcs Bukros
• Created: 06/Sep/19 11:31
• Updated: 23/Jun/20 11:09
• Resolved: 26/Sep/19 10:04

Description

• Add a Chaos Monkey action that uses SIGSTOP and SIGCONT to hang and resume a ratio of region servers.
• Add a Chaos Monkey action to simulate a rolling restart including graceful_stop like functionality that unloads the regions from the server before a restart and then places it under load again afterwards.
• Add these actions to the relevant monkeys

Issue Links

• links to: GitHub Pull Request #592
• links to: GitHub Pull Request #823
• links to: GitHub Pull Request #824
• links to: GitHub Pull Request #1946