I'd put more in common with Helix than twill -twill is for building YARN apps, Hoya focused on deploying existing apps into YARN containers. It's a lot more minimal than Helix -it doesn't run its own code in any of the containers other than the AM
On 14 January 2014 03:33, Andreas Neumann <a...@apache.org> wrote: > Hi Steve, > > Hoya has a lot of good ideas. How do think it relates to Twill (recently > incubated at http://twill.incubator.apache.org/)? I feel that there is a > lot of overlap in what both projects are trying to achieve. Do you think > they complement each other? Is there opportunity for collaboration, perhaps > cross-contributing or even converging the two projects? > > -Andreas. > > > On Wed, Jan 8, 2014 at 7:08 AM, Steve Loughran <ste...@hortonworks.com > >wrote: > > > I'm starting to put together the incubation proposal for Hoya: a tool to > > dynamically deploy applications such as HBase or Accumulo on YARN > > > > https://wiki.apache.org/incubator/HoyaProposal > > > > It does already work to the extent that it can bring up either > application, > > run different clusters of different versions, and remember where > containers > > were allocated so that on application restart it can ask for them back. > > That increases data locality and makes a big difference with HBase. > > > > It also needs a lot more work -YARN-896 is adding YARN features that > help, > > but there's lots of fun to be had in Hoya including > > -leading edge work in failure handling, modelling cluster unreliability > > and reacting to it. Can we move beyond simple blacklisting to > > "greylisting", accepting unreliable boxes if we have no altenatives > > > > Then there's adding more providers, to support different application > > installations -I'm starting to write a functional test framework which > need > > provider-specific workload generations > > > > Other features: AM should have a web ui that redirects to the live > > endpoints to all the app-specific UIs (e.g. HBase Master GUI), as well as > > displaying cluster state itself, for people and for management tools.... > > > > To summarise: lots of fun to be had > > > > -steve > > > > -- > > CONFIDENTIALITY NOTICE > > NOTICE: This message is intended for the use of the individual or entity > to > > which it is addressed and may contain information that is confidential, > > privileged and exempt from disclosure under applicable law. If the reader > > of this message is not the intended recipient, you are hereby notified > that > > any printing, copying, dissemination, distribution, disclosure or > > forwarding of this communication is strictly prohibited. If you have > > received this communication in error, please contact the sender > immediately > > and delete it from your system. Thank You. > > > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
