Re: Out of Memory Errors on less number of cores in proportion to Partitions in Data

2015-07-27 Thread Xiangrui Meng
gt; > > From: Evo Eftimov [mailto:evo.efti...@isecc.com] > Sent: Wednesday, July 8, 2015 1:26 PM > To: 'Aniruddh Sharma'; 'user@spark.apache.org' > Subject: RE: Out of Memory Errors on less number of cores in proportion to > Partitions in Data > > > &g

RE: Out of Memory Errors on less number of cores in proportion to Partitions in Data

2015-07-08 Thread Evo Eftimov
: 'Aniruddh Sharma'; 'user@spark.apache.org' Subject: RE: Out of Memory Errors on less number of cores in proportion to Partitions in Data Are you sure you have actually increased the RAM (how exactly did you do that and does it show in Spark UI) Also use the SPARK UI an

RE: Out of Memory Errors on less number of cores in proportion to Partitions in Data

2015-07-08 Thread Evo Eftimov
RAM (20 partitions x fixed RAM buffer) < Total RAM (100 partitions x fixed RAM buffer) From: Aniruddh Sharma [mailto:asharma...@gmail.com] Sent: Wednesday, July 8, 2015 12:22 PM To: user@spark.apache.org Subject: Out of Memory Errors on less number of cores in proportion to Partitions in D

RE: Out of Memory Errors on less number of cores in proportion to Partitions in Data

2015-07-08 Thread Evo Eftimov
ors on less number of cores in proportion to Partitions in Data Hi, I am new to Spark. I have done following tests and I am confused in conclusions. I have 2 queries. Following is the detail of test Test 1) Used 11 Node Cluster where each machine has 64 GB RAM and 4 physical cores. I ran a

Out of Memory Errors on less number of cores in proportion to Partitions in Data

2015-07-08 Thread Aniruddh Sharma
Hi, I am new to Spark. I have done following tests and I am confused in conclusions. I have 2 queries. Following is the detail of test Test 1) Used 11 Node Cluster where each machine has 64 GB RAM and 4 physical cores. I ran a ALS algorithm using MilLib on 1.6 GB data set. I ran 10 executors and