Hi Ufuk, Looking at the document you sent it seems only 1 task manager per node exist and within that you have multiple slots. Is it possible to run more than 1 task manager per node? Also, within a task manager is the parallelism done through threads or processes?
Thank you, Saliya On Thu, Jun 30, 2016 at 5:27 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > Thank you, I'll check these. > > In 2.) you said they are likely to exchange through memory. Is there a > case why they wouldn't? > > On Thu, Jun 30, 2016 at 5:03 AM, Ufuk Celebi <u...@apache.org> wrote: > >> On Thu, Jun 30, 2016 at 1:44 AM, Saliya Ekanayake <esal...@gmail.com> >> wrote: >> > 1. What parameters are available to control parallelism within a node? >> >> Task Manager processing slots: >> >> https://ci.apache.org/projects/flink/flink-docs-release-1.0/setup/config.html#configuring-taskmanager-processing-slots >> >> > 2. Does Flink support shared memory-based messaging within a node >> (without >> > doing TCP calls)? >> >> Yes, local exchanges happen via memory and not TCP, for example if you >> have a map-reduce, map subtask 1 and reduce subtask 1 are likely to >> exchange data locally. >> >> > 3. Is there support for Infiniband interconnect? >> >> No, not that I'm aware of. >> >> – Ufuk >> > > > > -- > Saliya Ekanayake > Ph.D. Candidate | Research Assistant > School of Informatics and Computing | Digital Science Center > Indiana University, Bloomington > > -- Saliya Ekanayake Ph.D. Candidate | Research Assistant School of Informatics and Computing | Digital Science Center Indiana University, Bloomington
