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pcap to Avro on Hadoop

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#hadoop #mapreduce #pcap #avro
702
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CouchDB sum by date range and type

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#mapreduce #couchdb
732
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How to output multiple values with the same key in reducer?

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#hadoop #mapreduce #hadoop2
1.3k
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mapreduce job not setting compression codec correctly

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#hadoop #mapreduce #hadoop-yarn #avro #snappy
1.3k
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Split S3 files into multiple output files

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#amazon-web-services #amazon-s3 #mapreduce
1k
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groupByKey not properly working in spark

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#scala #mapreduce #apache-spark
9.5k
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MapReduce job fails with ExitCodeException exitCode=255

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#java #hadoop #mapreduce #shared-libraries #hadoop-yarn
380
Views

What is better way to send associative array through map/reduce at MongoDB?

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#javascript #mongodb #mapreduce #associative-array
527
Views

How to efficiently join two files using Hadoop?

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#hadoop #mapreduce #hadoop2
267
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null pointer exception in getstrings method hadoop

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#java #hadoop #mapreduce
5.6k
Views

can you explain word count mapreduce program step by step

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#java #hadoop #mapreduce
794
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How to efficiently find top-k elements?

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#hadoop #mapreduce #tf-idf
2.4k
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how to ignore key-value pair in Map-Reduce if values are blank?

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#java #hadoop #if-statement #mapreduce #hadoop-yarn
3.9k
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akka: pattern for combining messages from multiple children

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#scala #concurrency #mapreduce #akka
1k
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Map a table of a cassandra database using spark and RDD

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#java #mapreduce #apache-spark #rdd
585
Views

How do we improve a MongoDB MapReduce function that takes too long to retrieve data and gives out of memory errors?

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#performance #mongodb #delphi #mapreduce
430
Views

about context object in map-reduce

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#hadoop #mapreduce
1k
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Hadoop Job class not found

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#java #eclipse #hadoop #mapreduce #classpath
654
Views

Would resizing a running EMR cluster speeds up the execution of the existing running job

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#java #amazon-web-services #amazon-s3 #mapreduce #emr
368
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MapReduce Avro Output is Creating Text File Instead

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#java #hadoop #mapreduce #avro

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