Fix wrong reduce memory estimate calculation

ivancea · ivancea · commit 86f2d888a220 · 2025-08-22T13:07:56.000+02:00
diff --git a/server/src/main/java/org/elasticsearch/action/search/QueryPhaseResultConsumer.java b/server/src/main/java/org/elasticsearch/action/search/QueryPhaseResultConsumer.java
@@ -462,7 +462,7 @@ private long ramBytesUsedQueryResult(QuerySearchResult result) {
      * the reduce completes.
      */
     private static long estimateRamBytesUsedForReduce(long size) {
-        return Math.round(1.5d * size - size);
+        return Math.round(1.5d * size);
     }
 
     private void consume(QuerySearchResult result, Runnable next) {

Original file line number	Diff line number	Diff line change
`@@ -462,7 +462,7 @@ private long ramBytesUsedQueryResult(QuerySearchResult result) {`
`462`	`462`	`* the reduce completes.`
`463`	`463`	`*/`
`464`	`464`	`private static long estimateRamBytesUsedForReduce(long size) {`
`465`		`- return Math.round(1.5d * size - size);`
	`465`	`+ return Math.round(1.5d * size);`
`466`	`466`	`}`
`467`	`467`
`468`	`468`	`private void consume(QuerySearchResult result, Runnable next) {`