From e67fec2e7356cd8ae99ccc318e7d65f25839ba61 Mon Sep 17 00:00:00 2001
From: Teryk Bellahsene <teryk.bellahsene@sonarsource.com>
Date: Tue, 17 Mar 2015 18:59:01 +0100
Subject: [PATCH] improve significantly memore consumption while using a disk
 cache

it kept a strong reference to every object writter: http://stackoverflow.com/questions/7495155/java-out-of-heap-space-during-serialization/7495214#7495214
---
 .../main/java/org/sonar/server/util/cache/DiskCache.java  | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/server/sonar-server/src/main/java/org/sonar/server/util/cache/DiskCache.java b/server/sonar-server/src/main/java/org/sonar/server/util/cache/DiskCache.java
index 9bc8e0b8ce8..34056e8deb2 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/util/cache/DiskCache.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/util/cache/DiskCache.java
@@ -25,12 +25,7 @@ import org.sonar.api.utils.System2;
 import org.sonar.server.util.CloseableIterator;
 import org.sonar.server.util.ObjectInputStreamIterator;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.ObjectOutputStream;
-import java.io.OutputStream;
-import java.io.Serializable;
+import java.io.*;
 
 /**
  * Serialize and deserialize objects on disk. No search capabilities, only traversal (full scan).
@@ -90,6 +85,7 @@ public class DiskCache<O extends Serializable> {
     public DiskAppender append(O object) {
       try {
         output.writeObject(object);
+        output.reset();
         return this;
       } catch (IOException e) {
         throw new IllegalStateException("Fail to write into file " + file, e);
-- 
2.39.5