[HDFS-12244] Ozone: the static cache provided by ContainerCache does not work in Unit tests

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: HDFS-7240
• Component/s: ozone
• Assignee: Anu Engineer
• Reporter: Tsz-wo Sze
• Created: 01/Aug/17 22:54
• Updated: 19/Aug/17 06:10
• Resolved: 19/Aug/17 06:09

Description

Since a cluster may have >1 datanodes, a static ContainerCache is shared among the datanodes. When one datanode shutdown, the cache will be shutdown so that the other datanodes cannot use the cache any more. It results in "leveldb.DBException: Closed"

org.iq80.leveldb.DBException: Closed
	at org.fusesource.leveldbjni.internal.JniDB.get(JniDB.java:75)
	at org.apache.hadoop.utils.LevelDBStore.get(LevelDBStore.java:109)
	at org.apache.hadoop.ozone.container.common.impl.KeyManagerImpl.getKey(KeyManagerImpl.java:116)
	at org.apache.hadoop.ozone.container.common.impl.Dispatcher.handleGetSmallFile(Dispatcher.java:677)
	at org.apache.hadoop.ozone.container.common.impl.Dispatcher.smallFileHandler(Dispatcher.java:293)
	at org.apache.hadoop.ozone.container.common.impl.Dispatcher.dispatch(Dispatcher.java:121)
	at org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.dispatch(ContainerStateMachine.java:94)
	...

Issue Links

• is duplicated by: HDFS-12216 Ozone: TestKeys is failing consistently