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https://issues.apache.org/jira/browse/PHOENIX-6751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Geoffrey Jacoby updated PHOENIX-6751:
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Priority: Critical (was: Major)
> Force using range scan vs skip scan when using the IN operator and large
> number of RVC elements
> ------------------------------------------------------------------------------------------------
>
> Key: PHOENIX-6751
> URL: https://issues.apache.org/jira/browse/PHOENIX-6751
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.15.0, 5.1.1, 4.16.0, 5.2.0
> Reporter: Jacob Isaac
> Priority: Critical
>
> SQL queries using the IN operator using PKs of different SortOrder were
> failing during the WHERE clause compilation phase and causing OOM issues on
> the servers when a large number (~50k) of RVC elements were used in the IN
> operator.
> SQL queries were failing specifically during the skip scan filter generation.
> The skip scan filter is generated using a list of point key ranges.
> [ScanRanges.create|https://git.soma.salesforce.com/bigdata-packaging/phoenix/blob/e0737e0ea7ba7501e78fe23c16e7abca27bfd944/phoenix-core/src/main/java/org/apache/phoenix/compile/ScanRanges.java#L80]
> The following getPointKeys
> [code|https://git.soma.salesforce.com/bigdata-packaging/phoenix/blob/e0737e0ea7ba7501e78fe23c16e7abca27bfd944/phoenix-core/src/main/java/org/apache/phoenix/compile/ScanRanges.java#L541]
> uses the KeyRange sets to create a new list of point-keys. When there are a
> large number of RVC elements the above
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