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https://issues.apache.org/jira/browse/HDFS-7925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HDFS-7925:
-----------------------------
Description:
Currently truncate is considered as an idempotent call in ClientProtocol.
However, the retried RPC request could get a lease error like following:
2015-03-12 11:45:47,320 INFO ipc.Server (Server.java:run(2053)) - IPC Server
handler 6 on 8020, call org.apache.hadoop.hdfs.protocol.ClientProtocol.truncate
from 192.168.76.4:49763 Call#1 Retry#1:
org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException: Failed to
TRUNCATE_FILE /user/testuser/testFileTr for DFSClient_NONMAPREDUCE_171671673_1
on 192.168.76.4 because DFSClient_NONMAPREDUCE_171671673_1 is already the
current lease holder.
was:
Currently truncate is considered as an idempotent call in ClientProtocol.
However, the retried RPC request could get a lease error like following:
2015-03-12 11:45:47,320 INFO ipc.Server (Server.java:run(2053)) - IPC Server
handler 6 on 8020, call org.apache.hadoop.hdfs.protocol.ClientProtocol.truncate
from 192.168.76.4:49763 Call#1 Retry#1:
org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException: Failed to
TRUNCATE_FILE /user/hrt_qa/testFileTr for DFSClient_NONMAPREDUCE_171671673_1 on
192.168.76.4 because DFSClient_NONMAPREDUCE_171671673_1 is already the current
lease holder.
> truncate RPC should not be considered as idempotent
> ---------------------------------------------------
>
> Key: HDFS-7925
> URL: https://issues.apache.org/jira/browse/HDFS-7925
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.0
> Reporter: Brandon Li
>
> Currently truncate is considered as an idempotent call in ClientProtocol.
> However, the retried RPC request could get a lease error like following:
> 2015-03-12 11:45:47,320 INFO ipc.Server (Server.java:run(2053)) - IPC Server
> handler 6 on 8020, call
> org.apache.hadoop.hdfs.protocol.ClientProtocol.truncate from
> 192.168.76.4:49763 Call#1 Retry#1:
> org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException: Failed to
> TRUNCATE_FILE /user/testuser/testFileTr for
> DFSClient_NONMAPREDUCE_171671673_1 on 192.168.76.4 because
> DFSClient_NONMAPREDUCE_171671673_1 is already the current lease holder.
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