[jira] [Created] (HDDS-1310) In datanode once a container becomes unhealthy, datanode restart fails.

["Sandeep Nemuri (JIRA)" <ji...@apache.org>]

Sandeep Nemuri created HDDS-1310:
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             Summary: In datanode once a container becomes unhealthy, datanode restart fails.
                 Key: HDDS-1310
                 URL: https://issues.apache.org/jira/browse/HDDS-1310
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Datanode
    Affects Versions: 0.3.0
            Reporter: Sandeep Nemuri


When a container is marked as {{UNHEALTHY}} in a datanode, subsequent restart of that datanode fails as it cannot generate ContainerReports anymore. Unhealthy state of a container is not handled in ContainerReport generation inside a datanode.

We get the below exception when a datanode tries to generate the ContainerReport which contains unhealthy container(s)
{noformat}
2019-03-19 13:51:13,646 [Datanode State Machine Thread - 0] ERROR      - Unable to communicate to SCM server at xxxxx.xxxxx.xxx:9861 for past 3300 seconds.
org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException: Invalid Container state found: 86
        at org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer.getHddsState(KeyValueContainer.java:623)
        at org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer.getContainerReport(KeyValueContainer.java:593)
        at org.apache.hadoop.ozone.container.common.impl.ContainerSet.getContainerReport(ContainerSet.java:204)
        at org.apache.hadoop.ozone.container.ozoneimpl.ContainerController.getContainerReport(ContainerController.java:82)
        at org.apache.hadoop.ozone.container.common.states.endpoint.RegisterEndpointTask.call(RegisterEndpointTask.java:114)
        at org.apache.hadoop.ozone.container.common.states.endpoint.RegisterEndpointTask.call(RegisterEndpointTask.java:47)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

{noformat}



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