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https://issues.apache.org/jira/browse/HDFS-9962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194007#comment-16194007
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Andrew Wang commented on HDFS-9962:
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Hi [~tasanuma0829], thanks for working on this,
Is your concern about flakiness related to test timeouts? We've been struggling
with that recently, since increasing the cell size from 64k to 1MB greatly
increased test runtimes. The approach we've been taking is to split long
running tests into separate classes, or "parameterizing" by creating a lot of
subclasses.
We randomized the policy tests to reduce the runtime of the test suite, under
the belief that there wasn't much incremental benefit from running all of them
every time. I think that's still true, and would prefer we randomize any
long-running tests. If the tests run quickly, then it's okay to be exhaustive.
> Erasure Coding: need a way to test multiple EC policies
> -------------------------------------------------------
>
> Key: HDFS-9962
> URL: https://issues.apache.org/jira/browse/HDFS-9962
> Project: Hadoop HDFS
> Issue Type: Test
> Reporter: Rui Li
> Assignee: Takanobu Asanuma
> Labels: hdfs-ec-3.0-nice-to-have
>
> Now that we support multiple EC policies, we need a way test it to catch
> potential issues.
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