I saw this quite often in our clusters. we have increased spark.executor.heartbeatInterval to 60s from the default value, which should help. The problem seems due to poor Spark driver performance and/or locking issues when it cannot process incoming events quickly enough.
Thanks, Xuefu On Thu, Sep 14, 2017 at 1:00 AM, Simon Scott <simon.sc...@viavisolutions.com > wrote: > Hi, > > > > Just wondering if anybody has any insights on this SPARK-14140: Futures > timeout exception in executor logs ? > > > > We are seeing the exact same exception during a long-running iterative > application on a Spark Standalone cluster, v 2.1. > > At the same time as the exception appears on an executor, the driver dies > without any logged message. > > > > Any advice much appreciated > > > > Thanks > > Simon Scott > > Viavi Solutions >