HBASE-821 UnknownScanner happens too often

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@685236 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -12,8 +12,10 @@ Release 0.3.0 - Unreleased
    HBASE-819   Remove DOS-style ^M carriage returns from all code where found
                (Jonathan Gray via Jim Kellerman)
    HBASE-818   Deadlock running 'flushSomeRegions' (Andrew Purtell via Stack)
-   HBASE-821   Need mainline to flush when 'Blocking updates' goes up.
+   HBASE-820   Need mainline to flush when 'Blocking updates' goes up.
                (Jean-Daniel Cryans via Stack)
+   HBASE-821   UnknownScanner happens too often (Jean-Daniel Cryans via Stack)
+
 
   IMPROVEMENTS
    HBASE-801  When a table haven't disable, shell could response in a "user

conf/hbase-default.xml

@@ -143,9 +143,9 @@
   </property>
   <property>
     <name>hbase.regionserver.lease.period</name>
-    <value>30000</value>
+    <value>60000</value>
     <description>HRegion server lease period in milliseconds. Default is
-    30 seconds. Clients must report in within this period else they are
+    60 seconds. Clients must report in within this period else they are
     considered dead.</description>
   </property>
   <property>
@@ -280,15 +280,6 @@
     <description>The size of each block in any block caches.
     </description>
   </property>
-
-  <!-- HbaseShell Configurations -->
-  <property>
- 	<name>hbaseshell.jline.bell.enabled</name>
-  	<value>true</value>
-  	<description>
-  		if true, enable audible keyboard bells if an alert is required.
-  	</description>
-  </property>  
   <property>
     <name>hbase.regionserver.globalMemcacheLimit</name>
     <value>536870912</value>

src/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java

@@ -263,7 +263,7 @@ public class HRegionServer implements HConstants, HRegionInterface, Runnable {
       conf.getInt("hbase.regionserver.numregionstoreport", 10);      
       
     this.leases = new Leases(
-      conf.getInt("hbase.regionserver.lease.period", 3 * 60 * 1000),
+      conf.getInt("hbase.regionserver.lease.period", 60 * 1000),
       this.threadWakeFrequency);
     
     int nbBlocks = conf.getInt("hbase.regionserver.nbreservationblocks", 4);