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Posted to commits@hbase.apache.org by te...@apache.org on 2012/10/22 21:08:24 UTC

svn commit: r1401012 - in /hbase/trunk/hbase-server/src: main/java/org/apache/hadoop/hbase/ipc/ main/java/org/apache/hadoop/hbase/regionserver/ main/java/org/apache/hadoop/hbase/regionserver/metrics/ main/java/org/apache/hadoop/hbase/util/ test/java/or...

Author: tedyu
Date: Mon Oct 22 19:08:23 2012
New Revision: 1401012

URL: http://svn.apache.org/viewvc?rev=1401012&view=rev
Log:
HBASE-6728 revert


Removed:
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/SizeBasedThrottler.java
    hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestSizeBasedThrottler.java
Modified:
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java?rev=1401012&r1=1401011&r2=1401012&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java (original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java Mon Oct 22 19:08:23 2012
@@ -26,7 +26,6 @@ import java.io.ByteArrayOutputStream;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InterruptedIOException;
 import java.net.BindException;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
@@ -53,12 +52,12 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import javax.security.sasl.Sasl;
 import javax.security.sasl.SaslException;
@@ -69,29 +68,28 @@ import org.apache.commons.logging.LogFac
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;
-import org.apache.hadoop.hbase.monitoring.TaskMonitor;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.ConnectionHeader;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcException;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcRequestBody;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcRequestHeader;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcResponseHeader;
-import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcResponseHeader.Status;
 import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.UserInformation;
+import org.apache.hadoop.hbase.protobuf.generated.RPCProtos.RpcResponseHeader.Status;
+import org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;
+import org.apache.hadoop.hbase.monitoring.TaskMonitor;
+import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.security.HBaseSaslRpcServer;
 import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.AuthMethod;
 import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslDigestCallbackHandler;
 import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslGssCallbackHandler;
 import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslStatus;
-import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.util.ByteBufferOutputStream;
-import org.apache.hadoop.hbase.util.SizeBasedThrottler;
 import org.apache.hadoop.io.BytesWritable;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.io.WritableUtils;
-import org.apache.hadoop.ipc.RPC.VersionMismatch;
 import org.apache.hadoop.ipc.Server;
+import org.apache.hadoop.ipc.RPC.VersionMismatch;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
@@ -99,19 +97,20 @@ import org.apache.hadoop.security.author
 import org.apache.hadoop.security.authorize.ProxyUsers;
 import org.apache.hadoop.security.authorize.ServiceAuthorizationManager;
 import org.apache.hadoop.security.token.SecretManager;
-import org.apache.hadoop.security.token.SecretManager.InvalidToken;
 import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.security.token.SecretManager.InvalidToken;
 import org.apache.hadoop.util.StringUtils;
+
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import com.google.protobuf.Message;
+
 import org.cliffc.high_scale_lib.Counter;
 import org.cloudera.htrace.Sampler;
 import org.cloudera.htrace.Span;
-import org.cloudera.htrace.Trace;
 import org.cloudera.htrace.TraceInfo;
 import org.cloudera.htrace.impl.NullSpan;
-
-import com.google.common.base.Function;
-import com.google.common.util.concurrent.ThreadFactoryBuilder;
-import com.google.protobuf.Message;
+import org.cloudera.htrace.Trace;
 
 /** A client for an IPC service.  IPC calls take a single Protobuf message as a
  * parameter, and return a single Protobuf message as their value.  A service runs on
@@ -257,14 +256,6 @@ public abstract class HBaseServer implem
   protected final boolean tcpKeepAlive; // if T then use keepalives
   protected final long purgeTimeout;    // in milliseconds
 
-  // responseQueuesSizeThrottler is shared among all responseQueues,
-  // it bounds memory occupied by responses in all responseQueues
-  final SizeBasedThrottler responseQueuesSizeThrottler;
-
-  // RESPONSE_QUEUE_MAX_SIZE limits total size of responses in every response queue
-  private static final long DEFAULT_RESPONSE_QUEUES_MAX_SIZE = 1024 * 1024 * 1024; // 1G
-  private static final String RESPONSE_QUEUES_MAX_SIZE = "ipc.server.response.queue.maxsize";
-
   volatile protected boolean running = true;         // true while server runs
   protected BlockingQueue<Call> callQueue; // queued calls
   protected final Counter callQueueSize = new Counter();
@@ -996,7 +987,7 @@ public abstract class HBaseServer implem
           //
           // Extract the first call
           //
-          call = responseQueue.peek();
+          call = responseQueue.removeFirst();
           SocketChannel channel = call.connection.channel;
           if (LOG.isDebugEnabled()) {
             LOG.debug(getName() + ": responding to #" + call.id + " from " +
@@ -1007,13 +998,9 @@ public abstract class HBaseServer implem
           //
           int numBytes = channelWrite(channel, call.response);
           if (numBytes < 0) {
-            // Error flag is set, so returning here closes connection and
-            // clears responseQueue.            
             return true;
           }
           if (!call.response.hasRemaining()) {
-            responseQueue.poll();
-            responseQueuesSizeThrottler.decrease(call.response.limit());            
             responseQueueLen--;
             call.connection.decRpcCount();
             //noinspection RedundantIfStatement
@@ -1027,6 +1014,12 @@ public abstract class HBaseServer implem
                         call.connection + " Wrote " + numBytes + " bytes.");
             }
           } else {
+            //
+            // If we were unable to write the entire response out, then
+            // insert in Selector queue.
+            //
+            call.connection.responseQueue.addFirst(call);
+
             if (inHandler) {
               // set the serve time when the response has to be sent later
               call.timestamp = System.currentTimeMillis();
@@ -1081,31 +1074,15 @@ public abstract class HBaseServer implem
       responseQueueLen++;
 
       boolean doRegister = false;
-      boolean closed;
-      try {
-        responseQueuesSizeThrottler.increase(call.response.remaining());
-      } catch (InterruptedException ie) {
-        throw new InterruptedIOException(ie.getMessage());
-      }
       synchronized (call.connection.responseQueue) {
-        closed = call.connection.closed;
-        if (!closed) {
-          call.connection.responseQueue.addLast(call);
-
-          if (call.connection.responseQueue.size() == 1) {
-            doRegister = !processResponse(call.connection.responseQueue, false);
-          }
+        call.connection.responseQueue.addLast(call);
+        if (call.connection.responseQueue.size() == 1) {
+          doRegister = !processResponse(call.connection.responseQueue, false);
         }
       }
       if (doRegister) {
         enqueueInSelector(call);
       }
-      if (closed) {
-        // Connection was closed when we tried to submit response, but we
-        // increased responseQueues size already. It shoud be
-        // decreased here.
-        responseQueuesSizeThrottler.decrease(call.response.remaining());
-      }      
     }
 
     private synchronized void incPending() {   // call waiting to be enqueued.
@@ -1130,8 +1107,6 @@ public abstract class HBaseServer implem
                                          //version are read
     private boolean headerRead = false;  //if the connection header that
                                          //follows version is read.
-
-    protected volatile boolean closed = false;    // indicates if connection was closed
     protected SocketChannel channel;
     private ByteBuffer data;
     private ByteBuffer dataLengthBuffer;
@@ -1716,7 +1691,6 @@ public abstract class HBaseServer implem
     }
 
     protected synchronized void close() {
-      closed = true;
       disposeSasl();
       data = null;
       dataLengthBuffer = null;
@@ -1972,9 +1946,6 @@ public abstract class HBaseServer implem
     this.delayedCalls = new AtomicInteger(0);
 
 
-    this.responseQueuesSizeThrottler = new SizeBasedThrottler(
-        conf.getLong(RESPONSE_QUEUES_MAX_SIZE, DEFAULT_RESPONSE_QUEUES_MAX_SIZE));
-
     // Create the responder here
     responder = new Responder();
     this.authorize =
@@ -2019,14 +1990,6 @@ public abstract class HBaseServer implem
       }
     }
     connection.close();
-    long bytes = 0;
-    synchronized (connection.responseQueue) {
-      for (Call c : connection.responseQueue) {
-        bytes += c.response.limit();
-      }
-      connection.responseQueue.clear();
-    }
-    responseQueuesSizeThrottler.decrease(bytes);    
     rpcMetrics.numOpenConnections.set(numConnections);
   }
 
@@ -2281,8 +2244,4 @@ public abstract class HBaseServer implem
   public static RpcCallContext getCurrentCall() {
     return CurCall.get();
   }
-
-  public long getResponseQueueSize(){
-    return responseQueuesSizeThrottler.getCurrentValue();
-  }
 }

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java?rev=1401012&r1=1401011&r2=1401012&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java (original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java Mon Oct 22 19:08:23 2012
@@ -53,6 +53,7 @@ import java.util.concurrent.locks.Reentr
 
 import javax.management.ObjectName;
 
+import com.google.protobuf.Message;
 import org.apache.commons.lang.mutable.MutableDouble;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -102,8 +103,8 @@ import org.apache.hadoop.hbase.client.co
 import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
 import org.apache.hadoop.hbase.executor.ExecutorService;
 import org.apache.hadoop.hbase.executor.ExecutorService.ExecutorType;
-import org.apache.hadoop.hbase.filter.ByteArrayComparable;
 import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
+import org.apache.hadoop.hbase.filter.ByteArrayComparable;
 import org.apache.hadoop.hbase.fs.HFileSystem;
 import org.apache.hadoop.hbase.io.hfile.BlockCache;
 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
@@ -112,7 +113,6 @@ import org.apache.hadoop.hbase.ipc.Copro
 import org.apache.hadoop.hbase.ipc.HBaseRPC;
 import org.apache.hadoop.hbase.ipc.HBaseRPCErrorHandler;
 import org.apache.hadoop.hbase.ipc.HBaseRpcMetrics;
-import org.apache.hadoop.hbase.ipc.HBaseServer;
 import org.apache.hadoop.hbase.ipc.ProtocolSignature;
 import org.apache.hadoop.hbase.ipc.RpcServer;
 import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;
@@ -152,8 +152,6 @@ import org.apache.hadoop.hbase.protobuf.
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.BulkLoadHFileRequest.FamilyPath;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.BulkLoadHFileResponse;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.Condition;
-import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceRequest;
-import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceResponse;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ExecCoprocessorRequest;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ExecCoprocessorResponse;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.GetRequest;
@@ -198,8 +196,8 @@ import org.apache.hadoop.hbase.regionser
 import org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics;
 import org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics.StoreMetricType;
 import org.apache.hadoop.hbase.regionserver.wal.HLog;
-import org.apache.hadoop.hbase.regionserver.wal.HLogFactory;
 import org.apache.hadoop.hbase.regionserver.wal.HLogUtil;
+import org.apache.hadoop.hbase.regionserver.wal.HLogFactory;
 import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.util.Bytes;
@@ -230,10 +228,12 @@ import org.codehaus.jackson.map.ObjectMa
 
 import com.google.common.base.Function;
 import com.google.protobuf.ByteString;
-import com.google.protobuf.Message;
 import com.google.protobuf.RpcController;
 import com.google.protobuf.ServiceException;
 
+import static org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceRequest;
+import static org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CoprocessorServiceResponse;
+
 /**
  * HRegionServer makes a set of HRegions available to clients. It checks in with
  * the HMaster. There are many HRegionServers in a single HBase deployment.
@@ -262,9 +262,6 @@ public class  HRegionServer implements C
 
   protected long maxScannerResultSize;
 
-  // Server to handle client requests.
-  private HBaseServer server;
-  
   // Cache flushing
   protected MemStoreFlusher cacheFlusher;
 
@@ -521,7 +518,6 @@ public class  HRegionServer implements C
         conf.getInt("hbase.regionserver.metahandler.count", 10),
         conf.getBoolean("hbase.rpc.verbose", false),
         conf, HConstants.QOS_THRESHOLD);
-    if (rpcServer instanceof HBaseServer) server = (HBaseServer) rpcServer;
     // Set our address.
     this.isa = this.rpcServer.getListenerAddress();
 
@@ -1201,7 +1197,7 @@ public class  HRegionServer implements C
       this.hlog = setupWALAndReplication();
       // Init in here rather than in constructor after thread name has been set
       this.metrics = new RegionServerMetrics();
-      this.dynamicMetrics = RegionServerDynamicMetrics.newInstance(this);
+      this.dynamicMetrics = RegionServerDynamicMetrics.newInstance();
       startServiceThreads();
       LOG.info("Serving as " + this.serverNameFromMasterPOV +
         ", RPC listening on " + this.isa +
@@ -4135,11 +4131,4 @@ public class  HRegionServer implements C
   private String getMyEphemeralNodePath() {
     return ZKUtil.joinZNode(this.zooKeeper.rsZNode, getServerName().toString());
   }
-  
-  public long getResponseQueueSize(){
-    if (server != null) {
-      return server.getResponseQueueSize();
-    }
-    return 0;
-  }
 }

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java?rev=1401012&r1=1401011&r2=1401012&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java (original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java Mon Oct 22 19:08:23 2012
@@ -30,7 +30,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.hbase.regionserver.HRegion;
-import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.hadoop.metrics.MetricsContext;
 import org.apache.hadoop.metrics.MetricsRecord;
@@ -60,7 +59,6 @@ public class RegionServerDynamicMetrics 
   private MetricsContext context;
   private final RegionServerDynamicStatistics rsDynamicStatistics;
   private Method updateMbeanInfoIfMetricsListChanged = null;
-  private HRegionServer regionServer;
   private static final Log LOG =
     LogFactory.getLog(RegionServerDynamicStatistics.class);
   
@@ -76,14 +74,13 @@ public class RegionServerDynamicMetrics 
    */
   public final MetricsRegistry registry = new MetricsRegistry();
 
-  private RegionServerDynamicMetrics(HRegionServer regionServer) {
+  private RegionServerDynamicMetrics() {
     this.context = MetricsUtil.getContext("hbase-dynamic");
     this.metricsRecord = MetricsUtil.createRecord(
                             this.context,
                             "RegionServerDynamicStatistics");
     context.registerUpdater(this);
     this.rsDynamicStatistics = new RegionServerDynamicStatistics(this.registry);
-    this.regionServer = regionServer;
     try {
       updateMbeanInfoIfMetricsListChanged =
         this.rsDynamicStatistics.getClass().getSuperclass()
@@ -95,9 +92,9 @@ public class RegionServerDynamicMetrics 
     }
   }
 
-  public static RegionServerDynamicMetrics newInstance(HRegionServer regionServer) {
+  public static RegionServerDynamicMetrics newInstance() {
     RegionServerDynamicMetrics metrics =
-      new RegionServerDynamicMetrics(regionServer);
+      new RegionServerDynamicMetrics();
     return metrics;
   }
 
@@ -187,13 +184,6 @@ public class RegionServerDynamicMetrics 
     for (Entry<String, AtomicLong> entry : RegionMetricsStorage.getNumericMetrics().entrySet()) {
       this.setNumericMetric(entry.getKey(), entry.getValue().getAndSet(0));
     }
-
-    /* export estimated size of all response queues */
-    if (regionServer != null) {
-      long responseQueueSize = regionServer.getResponseQueueSize();
-      this.setNumericMetric("responseQueuesSize", responseQueueSize);
-    }
-
     /* get dynamically created numeric metrics, and push the metrics.
      * These ones aren't to be reset; they are cumulative. */
     for (Entry<String, AtomicLong> entry : RegionMetricsStorage.getNumericPersistentMetrics().entrySet()) {