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Pig >> mail # user >> Join question


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On 4/1/13 2:06 PM, "jamal sasha" <[EMAIL PROTECTED]> wrote:

>Hi,
>  I have a simple join question.
>base = load 'input1'   USING PigStorage( ',' ) as (id1, field1, field2);
>stats = load 'input2' USING PigStorage(',') as (id1, mean, median);
>joined = JOIN base BY  id1, stats BY id1;
>final = FOREACH joined GENERATE base::id1, base::field1,base::field2,
>stats::mean,stats::median;
>STORE final INTO   'output'   USING PigStorage( ',' );
>
>But something doesnt feels right.
>Inputs are of order MB's.. whereas outputs are like 100GB's...
>
>I tried it on sample file
>where base is 35MB
>stats is 10MB
>and output explodes to GB's??
>What am i missing?
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB