tree f0e36babc3ee54e8e93acacebb0188a0d7154aee
parent 1c3ffdc33271ccc1aa664d7fe825bc2570311f9d
author Jason Gerlowski <gerlowskija@apache.org> 1715183109 -0400
committer GitHub <noreply@github.com> 1715183109 -0400
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SOLR-17192: Add "field-limiting" URP to catch ill-designed schemas (#2395)


The URPF, `NumFieldLimitingUpdateRequestProcessorFactory`, blocks all
update requests that go through `processAdd` if the core exceeds a
configurable threshold of fields.

The factory accepts two parameters: `maxFields` is a required integer
representing the maximum field threshold,  and `warnOnly` is an optional
boolean that (when enabled) has the URP chain log warnings instead of
blocking updates.

The factory is included in the default configset, with warnOnly=false and
maxFields=1000.  (More lenient settings will be used on branch_9x)

---------

Co-authored-by: David Smiley <dsmiley@apache.org>