[HBASE-19821] TestCleanerChore#testOnConfigurationChange() requires at least 4 processors to get passed

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.0.0-beta-2, 2.0.0
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Xiang Li
• Reporter: Xiang Li
• Created: 18/Jan/18 03:26
• Updated: 01/Aug/18 06:23
• Resolved: 18/Jan/18 19:21

Description

TestCleanerChore#testOnConfigurationChange() failed as

2018-01-18 03:22:36,768 WARN  [main] cleaner.CleanerChore(128): Use full core processors to scan dir, size=2
2018-01-18 03:22:36,769 INFO  [main] cleaner.CleanerChore(113): Cleaner pool size is 2
2018-01-18 03:22:37,271 WARN  [main] cleaner.CleanerChore(128): Use full core processors to scan dir, size=2
...
java.lang.AssertionError: 
Expected :4
Actual   :2

I am using a machine which has only 2 cores... So the following change could not be reached

conf.set(CleanerChore.CHORE_POOL_SIZE, "4");