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Accumulo >> mail # user >> Accumulo and Bigtop Hadoop


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Roshan Punnoose 2013-05-09, 17:22
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Christopher 2013-05-09, 17:34
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John Vines 2013-05-09, 17:28
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Re: Accumulo and Bigtop Hadoop
Yeah I am using the accumulo 1.5 RC that Chris sent out a few days ago. We
are tied to using hadoop 2 currently. Just was not sure if someone had seen
this before.
On Thu, May 9, 2013 at 1:28 PM, John Vines <[EMAIL PROTECTED]> wrote:

> Accumulo 1.4 does not work against hadoop 2 without changing the poms and
> recompiling. Accumulo 1.5, not yet released, will support both with
> recompilation. One option is to use Bigtop-0.3.x, which uses hadoop-1.0.1
> if I remember correctly.
>
>
> On Thu, May 9, 2013 at 1:22 PM, Roshan Punnoose <[EMAIL PROTECTED]> wrote:
>
>> I have a feeling this has already been asked, but I could not find the
>> answer on google.
>>
>>  Bigtop is installing hadoop 2.0.2-alpha into /usr/lib/hadoop,
>> /usr/lib/hadoop-hdfs, /usr/lib/hadoop-yarn, etc. However, Accumulo is setup
>> to have the "general.classpaths" of accumulo-site to point
>> /usr/lib/hadoop/(share)/(hdfs|yarn)/*.jar.
>>
>> As a quick workaround I had to edit the accumulo-env.sh and
>> accumulo-site.sh:
>>
>> accumulo-env.sh
>> ###for bigtop
>> export HADOOP_COMMON_DIR="./"
>> export HADOOP_COMMON_LIB_JARS_DIR="lib"
>> export HADOOP_COMMON_LIB_NATIVE_DIR="lib/native"
>> export HDFS_DIR="./"
>> export HDFS_LIB_JARS_DIR="lib"
>> export YARN_DIR="./"
>> export YARN_LIB_JARS_DIR="lib"
>> export MAPRED_DIR="./"
>> export MAPRED_LIB_JARS_DIR="lib"
>>
>> export HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-"/usr/lib/hadoop/libexec"}
>> export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-"/etc/hadoop/conf"}
>> export HADOOP_COMMON_HOME=${HADOOP_COMMON_HOME:-"/usr/lib/hadoop"}
>> export HADOOP_HDFS_HOME=${HADOOP_HDFS_HOME:-"/usr/lib/hadoop-hdfs"}
>> export
>> HADOOP_MAPRED_HOME=${HADOOP_MAPRED_HOME:-"/usr/lib/hadoop-mapreduce"}
>> export HADOOP_YARN_HOME=${HADOOP_YARN_HOME:-"/usr/lib/hadoop-yarn"}
>> ###for bigtop
>>
>> accumulo-site.sh (added to the general.classpaths)
>>       $HADOOP_MAPRED_HOME/.*.jar,
>>       $HADOOP_MAPRED_HOME/$MAPRED_LIB_JARS_DIR/.*.jar,
>>       $HADOOP_YARN_HOME/.*.jar,
>>       $HADOOP_YARN_HOME/$YARN_LIB_JARS_DIR/.*.jar,
>>       $HADOOP_HDFS_HOME/[^.].*.jar,
>>       $HADOOP_HDFS_HOME/$HDFS_LIB_JARS_DIR/.*.jar,
>>
>> This above is working. Has anyone ran into this and found a better
>> solution?
>>
>> Thanks!
>>
>> Roshan
>>
>
>