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https://issues.apache.org/jira/browse/SOLR-5302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13974294#comment-13974294
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Hoss Man commented on SOLR-5302:
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bq. How about as a compromise, we make this a contrib and make it fail fast in
the sharded case
+1
This functionality is really cool, and I think for the people ith single node
setups who want it and can take advantage of it we should absolutely make it
available -- but I share grant's general concerns about adding new "built-in"
functionality that doesn't work at all in distrib mode. I'd hate to see people
try this out in the example and think it's great and will solve all their
problems but then they get confused/disappointed/angry when it does nothing
useful in their multi-node setup.
As an optional contrib, we can make the {{inform(SolrCore)}} method check for
SolrCloud mode and fail fast (and likewise, for old-school pre-SolrCloud manual
managed multi-shard setups we can have {{distributedProcess}} fail fast at
request time)
(Note: I still have some other concerns about the general user API -- see
comments SOLR-5963, where arguably this whole discussion should have taken
place)
> Analytics Component
> -------------------
>
> Key: SOLR-5302
> URL: https://issues.apache.org/jira/browse/SOLR-5302
> Project: Solr
> Issue Type: New Feature
> Reporter: Steven Bower
> Assignee: Erick Erickson
> Fix For: 5.0
>
> Attachments: SOLR-5302.patch, SOLR-5302.patch, 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, percentiles
> ** 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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