Free performance data when ExportObject is released (deephaven#5480)

niloc132 · web-flow · commit cdd0e0855eda · 2024-05-16T15:59:13.000-05:00
Cuts leaked memory from released objects by around 50%. Partial deephaven#5479
diff --git a/server/src/main/java/io/deephaven/server/session/SessionState.java b/server/src/main/java/io/deephaven/server/session/SessionState.java
@@ -1141,6 +1141,7 @@ protected synchronized void destroy() {
             if (!(caughtException instanceof StatusRuntimeException)) {
                 caughtException = null;
             }
+            queryPerformanceRecorder = null;
         }
 
         /**

Original file line number	Diff line number	Diff line change
`@@ -1141,6 +1141,7 @@ protected synchronized void destroy() {`
`1141`	`1141`	`if (!(caughtException instanceof StatusRuntimeException)) {`
`1142`	`1142`	`caughtException = null;`
`1143`	`1143`	`}`
	`1144`	`+ queryPerformanceRecorder = null;`
`1144`	`1145`	`}`
`1145`	`1146`
`1146`	`1147`	`/**`