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https://issues.apache.org/jira/browse/HADOOP-10640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14032247#comment-14032247
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Wenwu Peng commented on HADOOP-10640:
-------------------------------------

bq.Wenwu, Binglin, are you testing the latest version (v3) ? It includes this 
fix:

Hi Colin,

Still get OutOfMemoryException in latest version(v4) ,Could anyone take a look?
OS: Ubuntu 12.04.1

hdfsBuilderConnect: ndfs failed to connect: 
org.apache.hadoop.native.HadoopCore.OutOfMemoryException: 
cnn_get_server_defaults: failed to allocate sync_ctx (error 12)
org.apache.hadoop.native.HadoopCore.OutOfMemoryException: 
cnn_get_server_defaults: failed to allocate sync_ctxerror: did not expect '0': 
'/home/hary/hadoop-common/hadoop-native-core/src/main/native/test/fs/test_libhdfs_meta_ops.c
 at line 60'

> Implement Namenode RPCs in HDFS native client
> ---------------------------------------------
>
>                 Key: HADOOP-10640
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10640
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: native
>    Affects Versions: HADOOP-10388
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: HADOOP-10388
>
>         Attachments: HADOOP-10640-pnative.001.patch, 
> HADOOP-10640-pnative.002.patch, HADOOP-10640-pnative.003.patch, 
> HADOOP-10640-pnative.004.patch
>
>
> Implement the parts of libhdfs that just involve making RPCs to the Namenode, 
> such as mkdir, rename, etc.



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