[camel] branch master updated: CAMEL-14354: camel-core - Optimize

[davsclaus]

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davsclaus pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git


The following commit(s) were added to refs/heads/master by this push:
     new 3e0f8bf  CAMEL-14354: camel-core - Optimize
3e0f8bf is described below

commit 3e0f8bf083fa13f6d3bdc30fedb0a29b006940c8
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Wed Jan 15 14:53:38 2020 +0100

    CAMEL-14354: camel-core - Optimize
---
 .../main/java/org/apache/camel/impl/engine/DefaultUnitOfWork.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git 
a/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultUnitOfWork.java
 
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultUnitOfWork.java
index fe85ec7..19190f2 100644
--- 
a/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultUnitOfWork.java
+++ 
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultUnitOfWork.java
@@ -59,7 +59,8 @@ public class DefaultUnitOfWork implements UnitOfWork, Service 
{
 
     private String id;
     private final CamelContext context;
-    private final Deque<RouteContext> routeContextStack = new ArrayDeque<>();
+    // reduce the default size of the stack with the number of nested routes 
deep (8 level down)
+    private final Deque<RouteContext> routeContextStack = new ArrayDeque<>(8);
     private final transient Logger log;
     private List<Synchronization> synchronizations;
     private Message originalInMessage;
@@ -160,7 +161,7 @@ public class DefaultUnitOfWork implements UnitOfWork, 
Service {
     @Override
     public synchronized void addSynchronization(Synchronization 
synchronization) {
         if (synchronizations == null) {
-            synchronizations = new ArrayList<>();
+            synchronizations = new ArrayList<>(8);
         }
         log.trace("Adding synchronization {}", synchronization);
         synchronizations.add(synchronization);