Daryn Sharp created HDFS-6773:
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Summary: MiniDFSCluster can run dramatically faster
Key: HDFS-6773
URL: https://issues.apache.org/jira/browse/HDFS-6773
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Affects Versions: 2.0.0-alpha, 3.0.0
Reporter: Daryn Sharp
The mini cluster is unnecessarily running with durable edit logs. The
following change cut runtime of a single test from ~30s to ~10s.
{code}EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);{code}
The mini cluster should default to this behavior after identifying the few edit
log tests that probably depend on durable logs.
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