[HBASE-22637] fix flaky TestMetaTableMetrics test

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.6, 2.1.6
• Fix Version/s: 3.0.0-alpha-1, 1.5.0, 2.3.0, 2.2.1, 2.1.6, 1.4.11
• Component/s: metrics, test
• Assignee: Mate Szalay-Beko
• Reporter: Mate Szalay-Beko
• Created: 27/Jun/19 09:02
• Updated: 03/Jul/19 16:09
• Resolved: 03/Jul/19 12:03

Description

coprocessor.TestMetaTableMetrics test is flaky, failing with the same assert error on two branches. e.g.:

• branch 2.0: https://builds.apache.org//job/HBase-Flaky-Tests/job/branch-2.0/3382
• branch 2.1: https://builds.apache.org//job/HBase-Flaky-Tests/job/branch-2.1/3469

java.lang.AssertionError: expected:<5> but was:<0>
	at org.apache.hadoop.hbase.coprocessor.TestMetaTableMetrics.test(TestMetaTableMetrics.java:226)

Issue Links

• links to: GitHub Pull Request #346
• links to: GitHub Pull Request #353