HBASE-1816 Master rewrite; removed hbase.master.lease.period -- unused since zk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@830779 13f79535-47bb-0310-9956-ffa450edef68

conf/hbase-default.xml

@@ -78,14 +78,6 @@
     the root and meta tables.
     </description>
   </property>
-  <property>
-    <name>hbase.master.lease.period</name>
-    <value>120000</value>
-    <description>HMaster server lease period in milliseconds. Default is
-    120 seconds.  Region servers must report in within this period else
-    they are considered dead.  On loaded cluster, may need to up this
-    period.</description>
-  </property>
   <property>
     <name>hbase.regionserver.port</name>
     <value>60020</value>

src/java/org/apache/hadoop/hbase/master/RegionServerOperation.java

@@ -33,12 +33,12 @@ abstract class RegionServerOperation implements Delayed, HConstants {
   
   private long expire;
   protected final HMaster master;
-  final int leaseTimeout;
+  final int delay;
   
   protected RegionServerOperation(HMaster master) {
     this.master = master;
-    this.leaseTimeout = this.master.getConfiguration().
+    this.delay = this.master.getConfiguration().
-      getInt("hbase.master.lease.period", 120 * 1000);
+      getInt("hbase.server.thread.wakefrequency", 10 * 1000);
     // Set the future time at which we expect to be released from the
     // DelayQueue we're inserted in on lease expiration.
     this.expire = whenToExpire();
@@ -60,7 +60,7 @@ abstract class RegionServerOperation implements Delayed, HConstants {
   }
 
   private long whenToExpire() {
-    return System.currentTimeMillis() + this.leaseTimeout / 2;
+    return System.currentTimeMillis() + this.delay;
   }
 
   protected boolean rootAvailable() {

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

@@ -157,7 +157,6 @@ public class HRegionServer implements HConstants, HRegionInterface,
   final int numRetries;
   protected final int threadWakeFrequency;
   private final int msgInterval;
-  private final int serverLeaseTimeout;
 
   protected final int numRegionsToReport;
   
@@ -259,8 +258,6 @@ public class HRegionServer implements HConstants, HRegionInterface,
     this.numRetries =  conf.getInt("hbase.client.retries.number", 2);
     this.threadWakeFrequency = conf.getInt(THREAD_WAKE_FREQUENCY, 10 * 1000);
     this.msgInterval = conf.getInt("hbase.regionserver.msginterval", 3 * 1000);
-    this.serverLeaseTimeout =
-      conf.getInt("hbase.master.lease.period", 120 * 1000);
 
     sleeper = new Sleeper(this.msgInterval, this.stopRequested);
 
@@ -444,11 +441,6 @@ public class HRegionServer implements HConstants, HRegionInterface,
           }
         }
         long now = System.currentTimeMillis();
-        if (lastMsg != 0 && (now - lastMsg) >= serverLeaseTimeout) {
-          // It has been way too long since we last reported to the master.
-          LOG.warn("unable to report to master for " + (now - lastMsg) +
-            " milliseconds - retrying");
-        }
         // Send messages to the master IF this.msgInterval has elapsed OR if
         // we have something to tell (and we didn't just fail sending master).
         if ((now - lastMsg) >= msgInterval ||
@@ -1324,13 +1316,6 @@ public class HRegionServer implements HConstants, HRegionInterface,
         }
         result = this.hbaseMaster.regionServerStartup(this.serverInfo);
         break;
-      } catch (Leases.LeaseStillHeldException e) {
-        LOG.info("Lease " + e.getName() + " already held on master. Check " +
-          "DNS configuration so that all region servers are" +
-          "reporting their true IPs and not 127.0.0.1. Otherwise, this" +
-          "problem should resolve itself after the lease period of " +
-          this.conf.get("hbase.master.lease.period")
-          + " seconds expires over on the master");
       } catch (IOException e) {
         LOG.warn("error telling master we are up", e);
       }

src/test/hbase-site.xml

@@ -67,15 +67,6 @@
     Default is 10.
     </description>
   </property>
-  <property>
-    <name>hbase.master.lease.period</name>
-    <value>6000</value>
-    <description>Length of time the master will wait before timing out a region
-    server lease. Since region servers report in every second (see above), this
-    value has been reduced so that the master will notice a dead region server
-    sooner. The default is 30 seconds.
-    </description>
-  </property>
   <property>
     <name>hbase.master.info.port</name>
     <value>-1</value>

src/test/org/apache/hadoop/hbase/regionserver/TestHRegion.java

@@ -1885,7 +1885,6 @@ public class TestHRegion extends HBaseTestCase {
     conf.setInt("hbase.hstore.compactionThreshold", 2);
     
     // Make lease timeout longer, lease checks less frequent
-    conf.setInt("hbase.master.lease.period", 10 * 1000);
     conf.setInt("hbase.master.lease.thread.wakefrequency", 5 * 1000);
     
     conf.setInt("hbase.regionserver.lease.period", 10 * 1000);

src/test/org/apache/hadoop/hbase/regionserver/wal/TestLogRolling.java

@@ -88,9 +88,6 @@ public class TestLogRolling extends HBaseClusterTestCase {
     // We flush the cache after every 8192 bytes
     conf.setInt("hbase.hregion.memstore.flush.size", 8192);
 
-    // Make lease timeout longer, lease checks less frequent
-    conf.setInt("hbase.master.lease.period", 10 * 1000);
-
     // Increase the amount of time between client retries
     conf.setLong("hbase.client.pause", 15 * 1000);