Hi Suraj, As far as I know this was changed with FLIP-6 to allow dynamic resource allocation.
Till, cced might know if there is a switch to restore old behavior or are there plans to support it. Best, Dawid On 24/09/18 12:24, suraj7 wrote: > Hi, > > I am using Amazon EMR to run Flink Cluster on YARN. My setup consists of > m4.large instances for 1 master and 2 core nodes. I have started the Flink > Cluster on YARN with the command: flink-yarn-session -n 2 -d -tm 4096 -s 4. > > Flink Job Manager and Application Manager starts but there are no Task > Managers running. The Flink Web interface shows 0 for task managers, task > slots and slots available. However when I submit a job to flink cluster, > then Task Managers get allocated and the job runs and the Web UI shows > correct values as expected and goes back to 0 once the job is complete. > > I would like Task Managers to be running even when no Job is submitted as I > want to use Flink's REST API to monitor and modify parallelism based on the > available slots value while scaling Core Nodes. > > Is there a configuration that I've missed which prevents Task Managers from > running all the time? > > Thanks, > Suraj > > > > -- > Sent from: > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
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