[GitHub] [lucene-solr] diegoceccarelli commented on a change in pull request #300: SOLR-11831: Skip second grouping step if group.limit is 1 (aka Las Vegas Patch)

[GitBox <gi...@apache.org>]

diegoceccarelli commented on a change in pull request #300: SOLR-11831: Skip second grouping step if group.limit is 1 (aka Las Vegas Patch)
URL: https://github.com/apache/lucene-solr/pull/300#discussion_r289836805
 
 

 ##########
 File path: solr/solrj/src/java/org/apache/solr/common/params/GroupParams.java
 ##########
 @@ -66,5 +66,10 @@
   public static final String GROUP_DISTRIBUTED_SECOND = GROUP + ".distributed.second";
 
   public static final String GROUP_DISTRIBUTED_TOPGROUPS_PREFIX = GROUP + ".topgroups.";
+
+  /** activates optimization in case only one document per group.
+   * Setting this to true is only compatible with group.limit = 1
+   */
+  public static final String GROUP_SKIP_DISTRIBUTED_SECOND = GROUP + ".skip.second.step";
 
 Review comment:
   Done in c5553ed2ee5

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