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https://issues.apache.org/jira/browse/HDDS-2372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963815#comment-16963815
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Shashikant Banerjee commented on HDDS-2372:
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[~szetszwo], to answer your question precisely, while reading the data from
stateMachine, it first checks whether the chunk file does exist. If this
exists, it reads from the actual chunk file and if it does not exist, it reads
from the temporary chunk file.
> Datanode pipeline is failing with NoSuchFileException
> -----------------------------------------------------
>
> Key: HDDS-2372
> URL: https://issues.apache.org/jira/browse/HDDS-2372
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Marton Elek
> Priority: Critical
>
> Found it on a k8s based test cluster using a simple 3 node cluster and
> HDDS-2327 freon test. After a while the StateMachine become unhealthy after
> this error:
> {code:java}
> datanode-0 datanode java.util.concurrent.ExecutionException:
> java.util.concurrent.ExecutionException:
> org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException:
> java.nio.file.NoSuchFileException:
> /data/storage/hdds/2a77fab9-9dc5-4f73-9501-b5347ac6145c/current/containerDir0/1/chunks/gGYYgiTTeg_testdata_chunk_13931.tmp.2.20830
> {code}
> Can be reproduced.
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