Re: Dynamic allocation doesn't work on YARN

2016-03-10 Thread Jy Chen
d. > 3. you could add > "log4j.logger.org.apache.spark.ExecutorAllocationManager=DEBUG" to log4j > conf to expose more details, then maybe you could dig out some clues. > > > Thanks > Saisai > > On Thu, Mar 10, 2016 at 10:18 AM, Jy Chen <chen.wah...@gmail.com> wrote: > >> Sorry,the last configur

Re: Dynamic allocation doesn't work on YARN

2016-03-09 Thread Jy Chen
ou please send out the configurations of dynamic allocation so we > could know better. > > On Wed, Mar 9, 2016 at 4:29 PM, Jy Chen <chen.wah...@gmail.com> wrote: > >> Hello everyone: >> >> I'm trying the dynamic allocation in Spark on YARN. I have followed &

Fwd: Dynamic allocation doesn't work on YARN

2016-03-09 Thread Jy Chen
Sorry,the last configuration is also --conf spark.dynamicAllocation.cachedExecutorIdleTimeout=60s, "--conf" was lost when I copied it to mail. -- Forwarded message ------ From: Jy Chen <chen.wah...@gmail.com> Date: 2016-03-10 10:09 GMT+08:00 Subject: Re: Dynamic al

Fwd: Dynamic allocation doesn't work on YARN

2016-03-09 Thread Jy Chen
Hello everyone: I'm trying the dynamic allocation in Spark on YARN. I have followed configuration steps and started the shuffle service. Now it can request executors when the workload is heavy but it cannot remove executors. I try to open the spark shell and don’t run any command, no executor is

Spark 2.0.0 TreeAggregate with larger depth will be OOM?

2016-10-13 Thread Jy Chen
Hi,all I'm using Spark 2.0.0 to train a model with 1000w+ parameters, about 500GB data. The treeAggregate is used to aggregate the gradient, when I set the depth = 2 or 3, it works, and depth equals to 3 is faster. So I set depth = 4 to obtain better performance, but now some executors will be OOM