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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Hadoop 2.4 + Hive 0.14 + Hbase 0.98.3 + snappy not working
Date Wed, 10 Dec 2014 17:28:04 GMT
See:
https://issues.apache.org/jira/browse/HADOOP-9911

Can you recompile snappy for 64-bit system ?

Cheers

On Wed, Dec 10, 2014 at 9:22 AM, peterm_second <regestrer@gmail.com> wrote:

> Hi Fabio ,
> Thanks for the reply, but unfortunately it didn't work. I am using vanilla
> hadoop 2.4 with vanilla hive 0.14 and so on, I am using the vanilla distros.
> I did set the HADOOP_COMMON_LIB_NATIVE_DIR but that didn't make any
> change. What version were you using ?
>
> Peter
>
>
>
> On 10.12.2014 16:23, Fabio wrote:
>
>> Not sure it will help, but if the problem is native library loading, I
>> spent a loooong time trying anything to make it work.
>> I may suggest to try also:
>> export JAVA_LIBRARY_PATH=/opt/yarn/hadoop-2.5.0/lib/native
>> export HADOOP_COMMON_LIB_NATIVE_DIR=/opt/yarn/hadoop-2.5.0/lib
>> I have this both in the bash "init" script (/etc/profile.p/...) and in
>> /opt/yarn/hadoop-2.5.0/etc/hadoop/hadoop-env.sh; quite sure it's
>> redundant, but as long as it works I don't change it.
>> I see here I commented out my attempts to set HADOOP_OPTS, so maybe it's
>> not necessary.
>> I don't see anything in my .xml config files.
>> Also, someone says to compile the libraries under your 64 bit system,
>> since the ones in Hadoop are for a 32bit architecture.
>>
>> Good luck
>>
>> Fabio
>>
>> On 12/10/2014 02:57 PM, peterm_second wrote:
>>
>>> Hi guys,
>>> I have a hadoop + hbase + hive application,
>>> For some reason my cluster is unable to find the snappy native library
>>> Here is the exception :
>>>  org.apache.hadoop.util.NativeCodeLoader.buildSupportsSnappy()Z
>>>     at org.apache.hadoop.util.NativeCodeLoader.buildSupportsSnappy(Native
>>> Method)
>>>     at org.apache.hadoop.io.compress.SnappyCodec.checkNativeCodeLoaded(SnappyCodec.java:63)
>>>
>>>     at org.apache.hadoop.io.compress.SnappyCodec.getCompressorType(SnappyCodec.java:132)
>>>
>>>     at org.apache.hadoop.io.compress.CodecPool.getCompressor(
>>> CodecPool.java:148)
>>>     at org.apache.hadoop.io.compress.CodecPool.getCompressor(
>>> CodecPool.java:163)
>>>     at org.apache.hadoop.mapred.IFile$Writer.<init>(IFile.java:115)
>>>     at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.
>>> sortAndSpill(MapTask.java:1583)
>>>     at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(
>>> MapTask.java:1462)
>>>     at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:437)
>>>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
>>>     at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
>>>     at java.security.AccessController.doPrivileged(Native Method)
>>>     at javax.security.auth.Subject.doAs(Subject.java:422)
>>>     at org.apache.hadoop.security.UserGroupInformation.doAs(
>>> UserGroupInformation.java:1548)
>>>     at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
>>>
>>>
>>> I am working with a 64bit ubuntu 14.04LTS. I've installed snappy on my
>>> os and added the coppied the libs to hadoop_home/lib/native
>>> I've also added the libs to the JRE, but it still fails as if nothing is
>>> present.
>>> I've added  HADOOP_OPTS="-Djava.net.preferIPv4Stack=true $GC_DEBUG_OPTS
>>> -Djava.library.path=/usr/local/hadoop-2.4.0/lib/native $HADOOP_OPTS"
>>> in my yarn xml I have
>>> <property>
>>>       <name>yarn.app.mapreduce.am.env</name>
>>> <value>LD_LIBRARY_PATH=$HADOOP_HOME/lib/native</value>
>>> </property>
>>>
>>> in my mapred-site.xml i have
>>> <property>
>>>         <name>mapred.child.java.opts</name>
>>>         <value> -Djava.library.path=/usr/local/hadoop-2.4.0/lib/native<
>>> /value>
>>>     </property>
>>>     <property>
>>>         <name>mapreduce.reduce.java.opts</name>
>>> <value>-Djava.library.path=/usr/local/hadoop-2.4.0/lib/native</value>
>>>     </property>
>>>
>>> The last two were a desperation move.
>>> The result is always the same. Any ideas would be welcomed.
>>>
>>> Thanks,
>>> Peter
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>

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