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https://issues.apache.org/jira/browse/HDFS-16381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
May updated HDFS-16381:
-----------------------
Description:
We have a file {{/usr/root/myfile}} in a HDFS cluster with two NNs and three
DNs.
1. client requests to truncate the file: {{bin/hdfs dfs -truncate -w 23
/usr/root/myfile}};
2. current active NN crashes before writing
{{nndir/current/edits_inprogress_0000000000000000028}}
3. client receives the error message:
{code:java}
Failed to TRUNCATE_FILE /usr/root/myfile for DFSClient_NONMAPREDUCE_955729475_1
on * because DFSClient_NONMAPREDUCE_955729475_1 is already the current lease
holder.
{code}
4. we check the content of the file {{bin/hdfs dfs -cat /usr/root/myfile}}, it
has been truncated.
5. client request to append to the file {{/usr/root/myfile}}, the append
operation fails due to:
{code:java}
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException):
Failed to APPEND_FILE /usr/root/myfile for DFSClient_NONMAPREDUCE_738467545_1
on * because this file lease is currently owned by
DFSClient_NONMAPREDUCE_955729475_1 on *
{code}
was:We have a file in HDFS {/usr/root/fav1}
> Unexpected crashes on the NN cause lease related errors
> -------------------------------------------------------
>
> Key: HDFS-16381
> URL: https://issues.apache.org/jira/browse/HDFS-16381
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.3.1
> Reporter: May
> Priority: Major
>
> We have a file {{/usr/root/myfile}} in a HDFS cluster with two NNs and three
> DNs.
> 1. client requests to truncate the file: {{bin/hdfs dfs -truncate -w 23
> /usr/root/myfile}};
> 2. current active NN crashes before writing
> {{nndir/current/edits_inprogress_0000000000000000028}}
> 3. client receives the error message:
> {code:java}
> Failed to TRUNCATE_FILE /usr/root/myfile for
> DFSClient_NONMAPREDUCE_955729475_1 on * because
> DFSClient_NONMAPREDUCE_955729475_1 is already the current lease holder.
> {code}
> 4. we check the content of the file {{bin/hdfs dfs -cat /usr/root/myfile}},
> it has been truncated.
> 5. client request to append to the file {{/usr/root/myfile}}, the append
> operation fails due to:
> {code:java}
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException):
> Failed to APPEND_FILE /usr/root/myfile for
> DFSClient_NONMAPREDUCE_738467545_1 on * because this file lease is currently
> owned by DFSClient_NONMAPREDUCE_955729475_1 on *
> {code}
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