Zephyr Guo created HBASE-20107:
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Summary: Add a test case for HBASE-14317
Key: HBASE-20107
URL: https://issues.apache.org/jira/browse/HBASE-20107
Project: HBase
Issue Type: Improvement
Components: wal
Affects Versions: 3.0.0
Reporter: Zephyr Guo
Fix For: 3.0.0
RS might get stuck because of HBASE-14317. I met same problem in my hbase, and
HBASE-14317 can solve this problmen very well.
But I don't get stuck when I run
`TestWalLockup.testLockupWhenSyncInMiddleOfZigZagSetup`.
We'll never see stuck in this test case, because
`FailedSyncBeforeLogCloseException` will break
`zigzagLatch.waitSafePoint(SyncFuture)`. Finally,
`zigzagLatch.releaseSafePoint()` will be call, and `attainSafePoint` get out
stuck.
Here, we add a new test case to simulate stuck RS correctly.
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