jobs much slower in cluster mode vs local

2016-01-15 Thread Saif.A.Ellafi
Hello, In general, I am usually able to run spark submit jobs in local mode, in a 32-cores node with plenty of memory ram. The performance is significantly faster in local mode than when using a cluster of spark workers. How can this be explained and what measures can one take in order to

Re: jobs much slower in cluster mode vs local

2016-01-15 Thread Jiří Syrový
Hi, you can try to use spark job server and submit jobs to it. The thing is that the most expensive part is context creation. J. 2016-01-15 15:28 GMT+01:00 : > Hello, > > In general, I am usually able to run spark submit jobs in local mode, in a > 32-cores node

RE: jobs much slower in cluster mode vs local

2016-01-15 Thread Spencer, Alex (Santander)
January 2016 14:29 To: user@spark.apache.org Subject: jobs much slower in cluster mode vs local Hello, In general, I am usually able to run spark submit jobs in local mode, in a 32-cores node with plenty of memory ram. The performance is significantly faster in local mode than when using

RE: jobs much slower in cluster mode vs local

2016-01-15 Thread Saif.A.Ellafi
Thank you, this looks useful indeed for what I have in mind. Saif From: Jiří Syrový [mailto:syrovy.j...@gmail.com] Sent: Friday, January 15, 2016 12:06 PM To: Ellafi, Saif A. Cc: user@spark.apache.org Subject: Re: jobs much slower in cluster mode vs local Hi, you can try to use spark job