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https://issues.apache.org/jira/browse/HDFS-10952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Clampffer updated HDFS-10952:
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Parent Issue: HDFS-14032 (was: HDFS-8707)
> libhdfs++: Fix test_libhdfs_threaded_hdfspp_test_shim_static
> non-deterministic failures
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-10952
> URL: https://issues.apache.org/jira/browse/HDFS-10952
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: James Clampffer
> Assignee: James Clampffer
> Priority: Major
>
> test_libhdfs_threaded_hdfspp_test_shim_static has started failing more often
> and not a whole lot has changed that should directly impact this.
> It looks like the failure mode is error injection in the read pipeline.
> Until HDFS-10951 is completed reads don't have a retry mechanism so any error
> injection will cause that read to fail. However that doesn't explain why
> these failures have been happening more frequently lately. The failures seem
> to be hardware or timing specific; they almost never happen in some
> environments and happen fairly frequently in others. It might help to set up
> a test harness to step through revisions and see if a specific commit causes
> the probability of a failure to go up.
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