If I want to access and read the map classes that have been created where do I look for them.
Thanks, Bharati Sent from my iPad On Jun 16, 2013, at 4:06 PM, Lance Norskog <[email protected]> wrote: > Both Pig and Hive have an 'explain plan' command that prints a schematic > version. This might make it easier to see what M/R algorithms are used. > Mostly the data goes through single-threaded transforms inside a mapper or > reducer. > > https://cwiki.apache.org/Hive/languagemanual-explain.html > > On 06/16/2013 09:17 AM, Edward Capriolo wrote: >> Hive serializes the entire plan into an XML file if you set the log 4j >> settings to debug you should get the locations to the files itgenerates >> before launching the job. >> >> >> On Sun, Jun 16, 2013 at 11:08 AM, Harsh J <[email protected]> wrote: >>> This is a question for the Hive/Pig lists to answer best. >>> >>> Note though that they only compile a plan, not the code. The code is >>> available already, the compiled plan just structures the execution >>> flow. If you take a look at the sources, you'll find the bits and >>> pieces that get linked together depending on the operation. >>> >>> On Sun, Jun 16, 2013 at 10:15 AM, 王洪军 <[email protected]> wrote: >>> > hi,all >>> > >>> > how to get the mapreduce code which was pig/hive script translated >>> > to? >>> > >>> > Best regards, >>> > wanghj >>> > >>> >>> >>> >>> -- >>> Harsh J >> >
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