It sounds like you want to use checkpointing, that should keep the tasks alive as you update the mesos slave process itself.
On 30 December 2015 at 11:43, Mike Michel <[email protected]> wrote: > Hi, > > > > i need to update slaves from time to time and looking for a way to take them > out of the cluster but without killing the running tasks. I need to wait > until all tasks are done and during this time no new tasks should be started > on this slave. My first idea was to set a constraint „status:online“ for > every task i start and then change the attribute of the slave to „offline“, > restart slave process while executer still runs the tasks but it seems if > you change the attributes of a slave it can not connect to the cluster > without rm -rf /tmp before which will kill all tasks. > > > > Also the maintenance mode seems not to be an option: > > > > „When maintenance is triggered by the operator, all agents on the machine > are told to shutdown. These agents are subsequently removed from the master > which causes tasks to be updated as TASK_LOST. Any agents from machines in > maintenance are also prevented from registering with the master.“ > > > > Is there another way? > > > > > > Cheers > > > > Mike
