No, all default 0. Should I use different priorities? Many thanks.
Bill On Mon, Dec 9, 2013 at 2:53 AM, Sandy Ryza <[email protected]> wrote: > Are you requesting the different container types at different priorities? > > -Sandy > > > On Sun, Dec 8, 2013 at 8:52 PM, Bill Q <[email protected]> wrote: > >> Hi, >> I recently implemented an application using YARN. Everything works fine, >> except for the illogical scheduling behavior of the ResourceManger, which >> might be caused by the heterogeneity of the cluster. >> >> I have two types of computing node in the cluster. 10 nodes with 128G >> memory and 10 nodes with 64G memory. In the application, I create two types >> of container. Type A container would ask for 50G of memory and Type B >> container would ask for 100G of memory. >> >> The problem is that if I created 50 Type B containers (100G), and 50 Type >> A containers (50G), Only Type B container (100G) are running. Instead of >> running the Type A container (50G), all the nodes with 64G memory are >> idling. And only the nodes with 128G memory are running Type B container >> (100G). This doesn't make too much sense to me. >> >> If I only created Type A containers (50G), all the nodes would be able >> run the containers. The 128G node would run two containers simultaneously. >> So, the problem seems to be connected to the different types of containers. >> >> Does anybody have any suggestions to fix this issue? >> >> Many thanks. >> >> >> Bill >> > >
