Hi, Ashic, this is expected for the latest released version
However, workers should be able to re-register since 1.2, since this patch https://github.com/apache/spark/pull/2828 was merged Best, -- Nan Zhu On Tuesday, November 4, 2014 at 6:00 PM, Ashic Mahtab wrote: > Hi, > I've set up a standalone Spark master (no failover or file recovery > specified), and brought up a few worker nodes. All of them registered and > were shown in the master web UI. I then stopped and started the master > service (the workers were still running). After the master started up, I > checked the web UI and none of the workers were registered. I then stopped > and started each worker and they registered with the master again. > > My question is - is this expected? Is there a timeout after which the worker > would have rejoined the master? Or is the only way to ensure workers rejoin > is to run master failover or file based recovery for the master? > > Thanks, > Ashic. > > >