Improvements in tests
---------------------
Key: HBASE-4703
URL: https://issues.apache.org/jira/browse/HBASE-4703
Project: HBase
Issue Type: Improvement
Components: test
Affects Versions: 0.92.0
Environment: all
Reporter: nkeywal
Assignee: nkeywal
Priority: Minor
Global:
- when possible, make the test using the default cluster configuration for the
number of region (1 instead of 2 or 3). This allows a faster stop/start, and is
a step toward a shared cluster configuration.
- 'sleep': lower or remove the sleep based synchronisation in the tests (in
HBaseTestingUtility, TestGlobalMemStoreSize, TestAdmin,
TestCoprocessorEndpoint, TestHFileOutputFormat, TestLruBlockCache,
TestServerCustomProtocol, TestReplicationSink)
- tmp dir management: to allow multiple tests using dir to run on the same
machine without conflicting, the tmp dir is set once per JVM. This should fix
HBASE-3672 as well, because the map reduce cluster is configured to use the
hadoop tmp dir
- Optimize 'put' by setting setWriteToWAL to false, when the 'put' is big or
in a loop. Not done for tests that rely on the WAL.
Local issues:
- TestTableInputFormatScan fully deletes the hadoop.tmp.dir directory on
tearDown, that makes it impossible to use in // with another test using this
directory
- TestIdLock logs too much (9000 lines per seconds). Test time lowered to 15
seconds to make it a part of the small subset
- TestMemoryBoundedLogMessageBuffer useless System.out.println
- io.hfile.TestReseekTo useless System.out.println
- TestTableInputFormat does not shutdown the cluster
- testGlobalMemStore does not shutdown the cluster
- rest.client.TestRemoteAdmin: simplified, does not use local admin, single
test instead of two.
- HBaseTestingUtility#ensureSomeRegionServersAvailable starts only one server,
should start the number of missing server instead.
- TestMergeTool should starts/stops the dfs cluster with HBaseTestingUtility
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