failed to append data using webhdfs
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Key: HDFS-3100
URL: https://issues.apache.org/jira/browse/HDFS-3100
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Affects Versions: 0.23.1
Reporter: Zhanwei.Wang
STEP：
1, deploy a single node hdfs 0.23.1 cluster and configure hdfs as:
A) enable webhdfs
B) enable append
C) disable permissions
2, start hdfs
3, run the test script as attached
RESULT:
expected: a file named testFile should be created and populated with 32K * 5000
zeros, HDFS should be OK.
I got: script cannot be finished, file has been created but not be populated as
expected, actually append operation failed.
Datanode log shows that, blockscaner report a bad replica and nanenode decide
to delete it. Since it is a single node cluster, append fail. It makes no sense
that the script failed every time.
Datanode and Namenode logs are attached.
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