ODIn/spark-instrumented-optimizer
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5 commits

Author SHA1 Message Date
Matei Zaharia 46eecd110a Initial work to rename package to org.apache.spark 2013-09-01 14:13:13 -07:00
Matei Zaharia af3c9d5042 Add Apache license headers and LICENSE and NOTICE files 2013-07-16 17:21:33 -07:00
Josh Rosen 9cc6ff9c4e Do not launch JavaGateways on workers (SPARK-674). 
The problem was that the gateway was being initialized whenever the
pyspark.context module was loaded.  The fix uses lazy initialization
that occurs only when SparkContext instances are actually constructed.

I also made the gateway and jvm variables private.

This change results in ~3-4x performance improvement when running the
PySpark unit tests.
 2013-02-01 11:13:10 -08:00
Josh Rosen ae2ed2947d Allow PySpark's SparkFiles to be used from driver 
Fix minor documentation formatting issues.
 2013-01-23 10:58:50 -08:00
Josh Rosen ef711902c1 Don't download files to master's working directory. 
This should avoid exceptions caused by existing
files with different contents.

I also removed some unused code.
 2013-01-21 17:34:17 -08:00