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From "Nelson Gonzalez Gonzalez (JIRA)" <>
Subject [jira] [Commented] (SOLR-5302) Analytics Component
Date Tue, 05 Nov 2013 05:00:22 GMT


Nelson Gonzalez Gonzalez commented on SOLR-5302:

I apologize if Solr JIRA is not for this kind of questions but I really need help with the
Analytics Component. I am working on a project where we need to compute some stats that are
impossible using the standard StatsComponent, I applied the patch to Solr 4.5.1 and it worked,
but with SolrCloud it didn't,  so I have a question:

Does Anallytics Component support SolrCloud? I could not see the component working on SolrCloud
cluster, but it worked on a single solr instance.

> Analytics Component
> -------------------
>                 Key: SOLR-5302
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Steven Bower
>            Assignee: Erick Erickson
>         Attachments: SOLR-5302.patch, SOLR-5302.patch, Search Analytics Component.pdf,
Statistical Expressions.pdf, solr_analytics-2013.10.04-2.patch
> This ticket is to track a "replacement" for the StatsComponent. The AnalyticsComponent
supports the following features:
> * All functionality of StatsComponent (SOLR-4499)
> * Field Faceting (SOLR-3435)
> ** Support for limit
> ** Sorting (bucket name or any stat in the bucket
> ** Support for offset
> * Range Faceting
> ** Supports all options of standard range faceting
> * Query Faceting (SOLR-2925)
> * Ability to use overall/field facet statistics as input to range/query faceting (ie
calc min/max date and then facet over that range
> * Support for more complex aggregate/mapping operations (SOLR-1622)
> ** Aggregations: min, max, sum, sum-of-square, count, missing, stddev, mean, median,
> ** Operations: negation, abs, add, multiply, divide, power, log, date math, string reversal,
string concat
> ** Easily pluggable framework to add additional operations
> * New / cleaner output format
> Outstanding Issues:
> * Multi-value field support for stats (supported for faceting)
> * Multi-shard support (may not be possible for some operations, eg median)

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