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qiansl127 avatar qiansl127 commented on September 23, 2024

The variable NUM_MAPS is configured for workload running, not preparing.

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brahmareddybattula avatar brahmareddybattula commented on September 23, 2024

thanks for reply...then how to configure to execute my scenario?

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qiansl127 avatar qiansl127 commented on September 23, 2024

Sorry, my last comment seems to be wrong after I saw the code.

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lvsoft avatar lvsoft commented on September 23, 2024

@brahmareddybattula Can u paste the printed message like:

Submit MapReduce Job: /home/lv/intel/cluster/hadoop/hadoop-2.5.0-cdh5.3.2/bin/hadoop --config /home/lv/intel/cluster/hadoop/hadoop-2.5.0-cdh5.3.2/etc/hadoop jar /home/lv/intel/cluster/hadoop/hadoop-2.5.0-cdh5.3.2/share/hadoop/mapreduce2/hadoop-mapreduce-examples-2.5.0-cdh5.3.2.jar randomtextwriter -D mapreduce.randomtextwriter.totalbytes=32000000000 -D mapreduce.job.maps=12 -D mapreduce.job.reduces=6 -D mapreduce.output.fileoutputformat.compress=false hdfs://lv-dev:54310/HiBench/Wordcount/Input

or check your report/wordcount/prepare/conf/wordcount.conf for NUM_MAPS, and report/wordcount/prepare/conf/sparkbench/sparkbench.conf for hibench.default.map.parallelism?

Number of mappers should follow the configurations as you defined and report/wordcount/prepare/conf/wordcount.conf will tell you what and where the value of NUM_MAPS has been defined. Take mine as an example:

# Source: /home/lv/intel/HiBench/conf/99-user_defined_properties.conf
HADOOP_HOME=/home/lv/intel/cluster/hadoop/hadoop-2.5.0-cdh5.3.2
HDFS_MASTER=hdfs://lv-dev:54310
NUM_MAPS=12
NUM_REDS=6
SPARK_HOME=/home/lv/intel/cluster/spark/spark-1.3.0-bin-hadoop2.4
SPARK_MASTER=yarn-client
YARN_EXECUTOR_CORES=4
YARN_NUM_EXECUTORS=4

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