Thanks Dominik, I will try that. On Wed, Aug 15, 2018 at 3:10 AM, Dominik Wosiński <wos...@gmail.com> wrote:
> Hey, > The problem is that your command does start Job Manager container, but it > does not start the Task Manager . That is why you have 0 slots. Currently, > the default *numberOfTaskSlots* is set to the number of CPUs avaialbe on > the machine. > > > So, You generally can to do 2 things: > > > 1) Start Job Manager and 2 Task Managers. If you have Docker Compose > available, you can paste this to your *docker-compose.yml* : > > > > *services: jobmanager: image: *${FLINK_DOCKER_IMAGE_NAME:-flink} > > *expose: *- "6123" > > *ports: *- "8081:8081" > *command: *jobmanager > > *environment: *- JOB_MANAGER_RPC_ADDRESS=jobmanager > > > *taskmanager: image: *${FLINK_DOCKER_IMAGE_NAME:-flink} > > *expose: *- "6121" > - "6122" > > *depends_on: *- jobmanager > *command: *taskmanager > > *links: *- "jobmanager:jobmanager" > > *environment: *- JOB_MANAGER_RPC_ADDRESS=jobmanager > > > *taskmanager1: image: *${FLINK_DOCKER_IMAGE_NAME:-flink} > > *expose: *- "6190" > - "6120" > > *depends_on: *- jobmanager > *command: *taskmanager > > *links: *- "jobmanager:jobmanager" > > *environment: *- JOB_MANAGER_RPC_ADDRESS=jobmanager > > > > This will give you 1 Job Manager and 2 Task Managers with one task slot > each, so 2 Task slots in general. > > 2) You can deploy 1 Job Manager and 1 Task Manager.Then you need to modify > *flink-conf.yml* and set the following setting : > > *taskmanager.numberOfTaskSlots: *2 > > > This will give you 2 Task Slots with only 1 Task Manager. But you will > need to somehow override config in the container, possibly using : > https://docs.docker.com/storage/volumes/ > > Regards, > Dominik. > > *Od: *shyla deshpande <deshpandesh...@gmail.com> > *Wysłano: *środa, 15 sierpnia 2018 07:23 > *Do: *user <user@flink.apache.org> > *Temat: *docker, error NoResourceAvailableException.. > > > > Hello all, > > > > Trying to use docker as a single node flink cluster. > > > > docker run --name flink_local -p 8081:8081 -t flink local > > > > I submited a job to the cluster using the Web UI. The job failed. I see > this error message in the docker logs. > > > > org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException: > Could not allocate all requires slots within timeout of 300000 ms. Slots > required: 2, slots allocated: 0 > > > > The Web UI, shows 0 taskmanagers and 0 task slots on the Flink dashboard. > > How do I start the docker with 2 Task slots? > > > > Appreciate any help. > > > > Thanks > > >