How Script Filters are implemented internally

Elastic Stack Elasticsearch
1

Hi,

I'm working on a native ElasticSearch plugin (using the Java API). I was
logging stuff to stdout to debug some things, and I noticed two things:

  • The script was running non-deterministically on the various documents,
    which makes sense, and
  • The script was running more than once per document. Which seems like
    a waste?

I've been browsing the source code trying to find where's this mapping
[Documents] => [Filtered documents], with no luck. Does anyone know how the
script filters know exactly, so that maybe we could find out why scripts
are running more than once per document?

Cheers!

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2

Could you provide some sample code which demonstrates this?

ta

Clint

On Thu, May 2, 2013 at 6:22 PM, Txus josep.m.bach@gmail.com wrote:

Hi,

I'm working on a native Elasticsearch plugin (using the Java API). I was
logging stuff to stdout to debug some things, and I noticed two things:

  • The script was running non-deterministically on the various
    documents, which makes sense, and
  • The script was running more than once per document. Which seems
    like a waste?

I've been browsing the source code trying to find where's this mapping
[Documents] => [Filtered documents], with no luck. Does anyone know how the
script filters know exactly, so that maybe we could find out why scripts
are running more than once per document?

Cheers!

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"elasticsearch" group.
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