diff --git a/src/main/java/ru/ulstu/service/MethodParamBruteForce.java b/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
index 57a31b5..38cdc2a 100644
--- a/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
+++ b/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
@@ -33,7 +33,8 @@ class MethodParamBruteForce {
     private final int DEFAULT_THREAD_COUNT = 50;
     private final List<Method> methods;
     private final ScoreMethod scoreMethod = new Smape();
-    private final ExecutorService executors = Executors.newFixedThreadPool(DEFAULT_THREAD_COUNT);
+    private final ExecutorService executors = Executors.newCachedThreadPool();
+    ;
 
     public MethodParamBruteForce(List<Method> methods) {
         this.methods = methods;
@@ -74,7 +75,7 @@ class MethodParamBruteForce {
         for (Future<ModelingResult> futureModelingResult : futureModelingResults) {
             modelingResults.add(futureModelingResult.get());
         }
-
+        System.gc();
         return getBestResultForecast(modelingResults, timeSeries, countPoints);
     }
 
@@ -159,6 +160,7 @@ class MethodParamBruteForce {
         for (Future<ModelingResult> futureModelingResult : results) {
             results2.add(futureModelingResult.get());
         }
+        System.gc();
         return results2.stream()
                 .min(Comparator.comparing(modelingResult -> modelingResult.getScore().getDoubleValue()))
                 .orElse(null);
@@ -189,6 +191,7 @@ class MethodParamBruteForce {
         for (Future<ModelingResult> futureModelingResult : results) {
             results2.add(futureModelingResult.get());
         }
+        System.gc();
         return results2.stream()
                 .min(Comparator.comparing(modelingResult -> modelingResult.getScore().getDoubleValue()))
                 .orElse(null);