Fix flaky ResourceAwareTasksTests.testBasicTaskResourceTracking test (o…

…pensearch-project#8993)

Signed-off-by: Ketan Verma <ketan9495@gmail.com>
Signed-off-by: Ivan Brusic <ivan.brusic@flocksafety.com>

CHANGELOG.md

@@ -111,6 +111,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Removed
 
 ### Fixed
+- Fix flaky ResourceAwareTasksTests.testBasicTaskResourceTracking test ([#8993](https://github.com/opensearch-project/OpenSearch/pull/8993))
 
 ### Security
 

server/src/test/java/org/opensearch/action/admin/cluster/node/tasks/ResourceAwareTasksTests.java

@@ -672,8 +672,8 @@ private void assertTasksRequestFinishedSuccessfully(NodesResponse nodesResponse,
     }
 
     private void assertMemoryUsageWithinLimits(long actual, long expected) {
-        // 5% buffer up to 200 KB to account for classloading overhead.
-        long maxOverhead = Math.min(200000, expected * 5 / 100);
+        // 5% buffer up to 500 KB to account for classloading overhead.
+        long maxOverhead = Math.min(500000, expected * 5 / 100);
         assertThat(actual, lessThanOrEqualTo(expected + maxOverhead));
     }