Re: Driver vs master

2019-10-07 Thread Andrew Melo
On Mon, Oct 7, 2019 at 20:49 ayan guha wrote: > HI > > I think you are mixing terminologies here. Loosely speaking, Master > manages worker machines. Each worker machine can run one or more processes. > A process can be a driver or executor. You submit applications to the > master. Each

Re: Driver vs master

2019-10-07 Thread ayan guha
HI I think you are mixing terminologies here. Loosely speaking, Master manages worker machines. Each worker machine can run one or more processes. A process can be a driver or executor. You submit applications to the master. Each application will have driver and executors. Master will decide

Re: Driver vs master

2019-10-07 Thread Andrew Melo
Hi On Mon, Oct 7, 2019 at 19:20 Amit Sharma wrote: > Thanks Andrew but I am asking specific to driver memory not about > executors memory. We have just one master and if each jobs driver.memory=4g > and master nodes total memory is 16gb then we can not execute more than 4 > jobs at a time. I

Re: Driver vs master

2019-10-07 Thread Amit Sharma
Thanks Andrew but I am asking specific to driver memory not about executors memory. We have just one master and if each jobs driver.memory=4g and master nodes total memory is 16gb then we can not execute more than 4 jobs at a time. On Monday, October 7, 2019, Andrew Melo wrote: > Hi Amit > > On

Re: Driver vs master

2019-10-07 Thread Andrew Melo
Hi Amit On Mon, Oct 7, 2019 at 18:33 Amit Sharma wrote: > Can you please help me understand this. I believe driver programs runs on > master node If we are running 4 spark job and driver memory config is 4g then total 16 > 6b would be used of master node. This depends on what master/deploy