ZanderXu created HDFS-16698:
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Summary: Add a metric to sense possible
MaxDirectoryItemsExceededException in time.
Key: HDFS-16698
URL: https://issues.apache.org/jira/browse/HDFS-16698
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: ZanderXu
Assignee: ZanderXu
In our prod environment, we occasionally encounter
MaxDirectoryItemsExceededException caused job failure.
{code:java}
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.FSLimitException$MaxDirectoryItemsExceededException):
The directory item limit of /user/XXX/.sparkStaging is exceeded: limit=1048576
items=1048576
{code}
In order to avoid it, we add a metric to sense possible
MaxDirectoryItemsExceededException in time. So that we can process it in time
to avoid job failure.
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