Bill, much appreciated and we will definitely take up on your guidance offer. Most likely Renan would follow up on this.
Thx On May 2, 2018, at 1:37 PM, Bill Farner <wfar...@apache.org> wrote: >> >> How much work (and feasibility?) would be to add other filter conditions > > > In my opinion, relatively little work. An extension point exists as a thin > interface [1], injectable via a module [2]. OfferOrder [3] may look like a > promising alternative, but i see that as a less flexible option. > Regardless of the path taken, i advise starting with customization in a > downstream fork/extension of the apache codebase. > > I will be happy to offer high-level guidance to anyone looking to pursue > this. You may also be interested in a commit of mine on a branch [4] that > may be partially reusable as an approach to doing this while maintaining > high scheduling throughput. > > [1] https://github.com/apache/aurora/blob/a3d596ead62404300edbbab1179476 > 410c8284ad/src/main/java/org/apache/aurora/scheduler/ > offers/OfferSet.java#L35-L40 > [2] https://github.com/apache/aurora/blob/a3d596ead62404300edbbab1179476 > 410c8284ad/src/main/java/org/apache/aurora/scheduler/ > offers/OfferManagerModule.java#L98-L101 > [3] https://github.com/apache/aurora/blob/a3d596ead62404300edbbab1179476 > 410c8284ad/src/main/java/org/apache/aurora/scheduler/ > offers/OfferOrder.java#L16-L25 > [4] > https://github.com/wfarner/aurora/commit/f77d79a2d01c3b5b34f11b812d5dcff2789e0766 > > On Wed, May 2, 2018 at 10:40 AM, Meghdoot bhattacharya < > meghdoo...@yahoo.com.invalid> wrote: > >> Just wanted to follow up on the current state. >> >> 1. Is there any work on implementing soft constraints? >> >> 2. How much work (and feasibility?) would be to add other filter >> conditions to sort the list of hosts to schedule even without a full >> fitness score kind of model. So, say the default algorithm picks a set of >> probable hosts but we apply external filters to sort it. Example even >> though cpu/mem is available on the host based on network or iops (as read >> from a real time monitor) we choose to avoid them. >> >> Good write up on what K8 is providing today with options to override. >> >> https://thenewstack.io/implementing-advanced-scheduling-techniques-with- >> kubernetes/ >> >> Thx
