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From "Domenico Fabio Marino (JIRA)" <>
Subject [jira] [Updated] (SOLR-10610) Add CanaryComponent, a search component to analyse requests
Date Fri, 21 Jul 2017 10:22:00 GMT


Domenico Fabio Marino updated SOLR-10610:
    Issue Type: New Feature  (was: Task)

> Add CanaryComponent, a search component to analyse requests
> -----------------------------------------------------------
>                 Key: SOLR-10610
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Domenico Fabio Marino
>            Priority: Minor
>         Attachments: 769e538ce74c5707f2e3c6bc7f3e070c59f357f5.patch
> This patch outlines a new component that analyses a request and reports whether it is
too complex to continue processing.
> Running this component should be conditional and happen before other components start
processing. The component will set a status flag so that other components can know the result
of the Canary check, and also adds some information to the response sent back to the client.
> In the future this could be used to process a query only on selected shards (canaries)
and based on the outcome decide whether to continue on all shards.
> Please note this is only an outline so far.

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