Really good suggestion! Yeah, the search will work by executing a standard function score query with the boost script name. Thank you!
2014-06-04 15:06 GMT-07:00 joergpra...@gmail.com [via ElasticSearch Users] < ml-node+s115913n4057071...@n3.nabble.com>: > > As said, it is true that scoring scripts (like the function score scripts > o the AbstractSearchScript) need to reside on data nodes. Accessing fields > is a low level operation in a script so it is not possible to install such > a boost plugin that uses scripting on a data-less node. You would have to > install it on all the data nodes which might become tedious (but it is > doable). > > Another issue is that you use scripting in a java plugin. I conclude from > this, the search should work later over the HTTP API by executing a > standard function score query with the boost script name (is that true?) > > Writing a plugin, in a pure java environment, you have much more degrees > of freedom to supersede the script functionality and use other code paths. > For example, you could reuse the resource watch service from ES (used for > watching script file changes) to reload the boost info (which is in your > binary files I assume). Then you could build the query internally using the > Java API as a custom score query action and execute it from your favorite > (data-less) node (or from two nodes, for better fault tolerance / load > balancing). > > Optionally, you could expose a new endpoint to the ES REST API, for > example "_search_with_boost", which works like "_search", but makes use of > the boost info files. > > For a more generic solution, it would be convenient to convert the boost > info into a JSON parameter file so this could be loaded by the standard ES > settings/config routines and by other languages, also for better reuse by > others in the ES community :) An example plugin name could be "boost > control plugin"... > > Jörg > > > > On Wed, Jun 4, 2014 at 8:15 PM, virgil <[hidden email] > <http://user/SendEmail.jtp?type=node&node=4057071&i=0>> wrote: > >> Yeah, but I would consider the nondata node is already doing the job. -- >> "These "non data" nodes are still part of the cluster, and they redirect >> operations exactly to the node that holds the relevant data. The other >> benefit is the fact that for scatter / gather based operations (such as >> search), these nodes will take part of the processing since they will >> start >> the scatter process, and perform the actual gather processing." I just >> uploaded my native script code in https://github.com/virgil0/TestPlugin. >> It >> works with the function score query. You can see that there are 3 bin >> file I >> need to load into memory. 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