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https://issues.apache.org/jira/browse/SOLR-14476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-14476:
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Description:
This ticket will add the *per* (percentile) and *std* (standard deviation)
aggregations to the *stats*, *facet* and *timeseries* Streaming Expression.
Syntax:
{code:java}
facet(logs, buckets="collection_s", per(qtime_i, 50), std(qtime_i)) {code}
The stats function will also be reimplemented using JSON facets rather than the
stats component as part of this ticket. The main reason is that the JSON facets
syntax is easier to work with for percentiles, but it also standardized are
pushed down aggregations to JSON facets.
In a separate ticket percentile aggregations will be added to *rollup*,
*hashRollup* and *nodes* Streaming Expressions.
was:
This ticket will add the *per* (percentile) and *std* (standard deviation)
aggregations to the *stats*, *facet* and *timeseries* Streaming Expression.
Syntax:
{code:java}
facet(logs, buckets="collection_s", per(qtime_i, 50), std(qtime_i)) {code}
The stats function will also be reimplemented using JSON facets rather the
stats component as part of this ticket. The main reason is that the JSON facets
syntax is easier to work with for percentiles, but it also standardized are
pushed down aggregations to JSON facets.
In a separate ticket percentile aggregations will be added to *rollup*,
*hashRollup* and *nodes* Streaming Expressions.
> Add percentiles and standard deviation aggregations to stats, facet and
> timeseries Streaming Expressions
> --------------------------------------------------------------------------------------------------------
>
> Key: SOLR-14476
> URL: https://issues.apache.org/jira/browse/SOLR-14476
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: streaming expressions
> Reporter: Joel Bernstein
> Priority: Major
> Attachments: SOLR-14476.patch, SOLR-14476.patch, Screen Shot
> 2020-05-15 at 11.32.26 AM.png
>
>
> This ticket will add the *per* (percentile) and *std* (standard deviation)
> aggregations to the *stats*, *facet* and *timeseries* Streaming Expression.
> Syntax:
>
> {code:java}
> facet(logs, buckets="collection_s", per(qtime_i, 50), std(qtime_i)) {code}
> The stats function will also be reimplemented using JSON facets rather than
> the stats component as part of this ticket. The main reason is that the JSON
> facets syntax is easier to work with for percentiles, but it also
> standardized are pushed down aggregations to JSON facets.
> In a separate ticket percentile aggregations will be added to *rollup*,
> *hashRollup* and *nodes* Streaming Expressions.
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