Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
Pig >> mail # user >> Join question

Copy link to this message
Join question
  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,
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?
Mehmet Tepedelenlioglu 2013-04-01, 21:24
jamal sasha 2013-04-01, 22:44
Mehmet Tepedelenlioglu 2013-04-02, 01:20
F. Jerrell Schivers 2013-09-04, 23:39