Hi Kien!Thank you for sharing your experience. Do you have Flink deployed in Standalone Cluster mode or K8S/Docker mode?On Fri, 1 Jun 2018 at 00:55, Fabian Hueske <fhueske@xxxxxxxxx> wrote:Best, FabianHence, Flink request too many containers and starts too many TMs, but each TM is started with the correct number of slots.In Flink 1.5.0, the configured number of slots is ignored when requesting containers for TaskManagers from a resource manager, i.e., Flink assumes TMs with 1 slot.Hi,The release notes state that "multiple slots are not *fully* supported".
All unused containers are returned after a configurable time out.
The problem can be prevented by configuring 1 slot per TM.2018-05-31 14:12 GMT+02:00 Kien Truong <duckientruong@xxxxxxxxx>:
We're using multiple slots per TaskManager with legacy mode, and everything works fine.
For the new default mode, it also seems to works for us, so I'm not sure what is not supported. May be someone from Flink team could clarify.
On 5/31/2018 4:26 AM, Abdul Qadeer wrote:
I came across the following point in release notes of 1.5 version:
"The allocation of TaskManagers with multiple slots is not fully supported yet."
Does this mean the support for it will come as a patch for 1.5? or will it be in the next stable release?If I use legacy mode, will that support multiple slots per TaskManager?, or is it only the deployment change that will get affected?
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