Re: [infinispan-dev] Map/Reduce Tasks and classpath
Tristan,
After the quick groovy poc, I discovered the design/plan doc for m/r
over hotrod that mentioned stored procedure approach.
Where will the script be stored and how will the user store it?
(Perhaps stored also in a cache?)
I just implemented something w/ jsr223 that might be generic enough
for hooking into the script store. :)
On Jan 28, 2013, at 5:23, Manik Surtani <msurtani(a)redhat.com> wrote:
You guys should collaborate on this. :)
On 28 Jan 2013, at 13:02, Tristan Tarrant <ttarrant(a)redhat.com> wrote:
> On 01/26/2013 09:32 PM, Ray Tsang wrote:
>> I just wrote something quick that uses groovy scripts. my hope is to
>> be able to execute any arbitrary scripted mapper/reducer w/o needing
>> to, say, redeploy/restart the node/server.
>>
>> The code is here:
>> https://github.com/saturnism/infinispan/tree/groovy-mr/groovy
> Ray, to avoid duplicate effort, I'm working on implementing "stored
> scripts" for Infinispan based on ScriptEngine.
> Scripts would be stored (compiled if possible) in a dedicated replicated
> cache. The scripts can then be referred to by name in dist-exec and
> map-reduce invocations. It will then be possible to invoke these scripts
> both locally and remotely (over HotRod and REST).
>
> Some Jiras:
>
> https://issues.jboss.org/browse/ISPN-1094
> https://issues.jboss.org/browse/ISPN-1192
>
> Tristan
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--
Manik Surtani
manik(a)jboss.org
twitter.com/maniksurtani
Platform Architect, JBoss Data Grid
http://red.ht/data-grid
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