Mike Drob created HBASE-19164:
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Summary: Avoid UUID.randomUUID in tests
Key: HBASE-19164
URL: https://issues.apache.org/jira/browse/HBASE-19164
Project: HBase
Issue Type: Bug
Components: test
Reporter: Mike Drob
Priority: Major
We have a lot of places in our test code where we use {{UUID.randomUUID}} to
generate table names or paths for uniqueness. Unfortunately, this uses up a
good chunk of system entropy, since Sun chose that random UUID's should use the
NativePRNGBlocking implementation.
We don't need to block on entropy for random bits to pick a random table name
in a test, so we can use something that doesn't strain the system too much -
secure random can be a source of problems on some VM or containers.
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