svn commit: r1702968 - /jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java

[stefanegli]

Author: stefanegli
Date: Mon Sep 14 15:13:44 2015
New Revision: 1702968

URL: http://svn.apache.org/r1702968
Log:
OAK-3398 : increase background-lease-update thread's priority to MAX_PRIORITY 
to reduce likelihood of hitting a lease timeout on a busy machine

Modified:
    
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java

Modified: 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java?rev=1702968&r1=1702967&r2=1702968&view=diff
==============================================================================
--- 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java
 (original)
+++ 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java
 Mon Sep 14 15:13:44 2015
@@ -534,6 +534,10 @@ public final class DocumentNodeStore
                     new BackgroundLeaseUpdate(this, isDisposed),
                     "DocumentNodeStore lease update thread " + 
threadNamePostfix);
             leaseUpdateThread.setDaemon(true);
+            // OAK-3398 : make lease updating more robust by ensuring it
+            // has higher likelihood of succeeding than other threads
+            // on a very busy machine - so as to prevent lease timeout.
+            leaseUpdateThread.setPriority(Thread.MAX_PRIORITY);
             leaseUpdateThread.start();
         }