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From syuanji...@apache.org
Subject [06/50] [abbrv] hbase git commit: Revert "HBASE-17314 Limit total buffered size for all replication sources"
Date Wed, 04 Jan 2017 07:39:08 GMT
Revert "HBASE-17314 Limit total buffered size for all replication sources"

This reverts commit 3826e639672eea11d73da333e6c15f6b7c23a46c.


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/a1d2ff46
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/a1d2ff46
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/a1d2ff46

Branch: refs/heads/hbase-12439
Commit: a1d2ff4646743a9136bb1182c0512bce28e358b7
Parents: acd0218
Author: Michael Stack <stack@apache.org>
Authored: Wed Dec 21 11:17:28 2016 -0800
Committer: Michael Stack <stack@apache.org>
Committed: Wed Dec 21 11:17:28 2016 -0800

----------------------------------------------------------------------
 .../org/apache/hadoop/hbase/HConstants.java     |   4 -
 .../hbase/regionserver/HRegionServer.java       |   3 +-
 .../regionserver/ReplicationSource.java         |  38 +---
 .../regionserver/ReplicationSourceManager.java  |   8 -
 .../replication/TestReplicationEndpoint.java    |   3 +-
 .../regionserver/TestGlobalThrottler.java       | 184 -------------------
 6 files changed, 10 insertions(+), 230 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
index dc96c2a..48d9778 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
@@ -932,10 +932,6 @@ public final class HConstants {
   public static final long
       REPLICATION_SERIALLY_WAITING_DEFAULT = 10000;
 
-  public static final String REPLICATION_SOURCE_TOTAL_BUFFER_KEY = "replication.total.buffer.quota";
-  public static final int REPLICATION_SOURCE_TOTAL_BUFFER_DFAULT = 256 * 1024 * 1024;
-
-
   /**
    * Directory where the source cluster file system client configuration are placed which
is used by
    * sink cluster to copy HFiles from source cluster file system

http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
index 853d699..5bc0a66 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
@@ -2340,8 +2340,7 @@ public class HRegionServer extends HasThread implements
    * @return Return the object that implements the replication
    * source service.
    */
-  @VisibleForTesting
-  public ReplicationSourceService getReplicationSourceService() {
+  ReplicationSourceService getReplicationSourceService() {
     return replicationSourceHandler;
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
index 3fb5f94..f777282 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
@@ -38,7 +38,6 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.PriorityBlockingQueue;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.commons.lang.StringUtils;
@@ -151,9 +150,6 @@ public class ReplicationSource extends Thread
   private ConcurrentHashMap<String, ReplicationSourceWorkerThread> workerThreads =
       new ConcurrentHashMap<String, ReplicationSourceWorkerThread>();
 
-  private AtomicInteger totalBufferUsed;
-  private int totalBufferQuota;
-
   /**
    * Instantiation method used by region servers
    *
@@ -205,9 +201,7 @@ public class ReplicationSource extends Thread
     defaultBandwidth = this.conf.getLong("replication.source.per.peer.node.bandwidth", 0);
     currentBandwidth = getCurrentBandwidth();
     this.throttler = new ReplicationThrottler((double) currentBandwidth / 10.0);
-    this.totalBufferUsed = manager.getTotalBufferUsed();
-    this.totalBufferQuota = conf.getInt(HConstants.REPLICATION_SOURCE_TOTAL_BUFFER_KEY,
-        HConstants.REPLICATION_SOURCE_TOTAL_BUFFER_DFAULT);
+
     LOG.info("peerClusterZnode=" + peerClusterZnode + ", ReplicationSource : " + peerId
         + " inited, replicationQueueSizeCapacity=" + replicationQueueSizeCapacity
         + ", replicationQueueNbCapacity=" + replicationQueueNbCapacity + ", curerntBandwidth="
@@ -542,7 +536,7 @@ public class ReplicationSource extends Thread
     private boolean workerRunning = true;
     // Current number of hfiles that we need to replicate
     private long currentNbHFiles = 0;
-    List<WAL.Entry> entries;
+
     // Use guava cache to set ttl for each key
     private LoadingCache<String, Boolean> canSkipWaitingSet = CacheBuilder.newBuilder()
         .expireAfterAccess(1, TimeUnit.DAYS).build(
@@ -562,7 +556,6 @@ public class ReplicationSource extends Thread
       this.replicationQueueInfo = replicationQueueInfo;
       this.repLogReader = new ReplicationWALReaderManager(fs, conf);
       this.source = source;
-      this.entries = new ArrayList<>();
     }
 
     @Override
@@ -635,7 +628,8 @@ public class ReplicationSource extends Thread
         boolean gotIOE = false;
         currentNbOperations = 0;
         currentNbHFiles = 0;
-        entries.clear();
+        List<WAL.Entry> entries = new ArrayList<WAL.Entry>(1);
+
         Map<String, Long> lastPositionsForSerialScope = new HashMap<>();
         currentSize = 0;
         try {
@@ -727,7 +721,6 @@ public class ReplicationSource extends Thread
           continue;
         }
         shipEdits(currentWALisBeingWrittenTo, entries, lastPositionsForSerialScope);
-        releaseBufferQuota();
       }
       if (replicationQueueInfo.isQueueRecovered()) {
         // use synchronize to make sure one last thread will clean the queue
@@ -817,7 +810,7 @@ public class ReplicationSource extends Thread
             }
           }
         }
-        boolean totalBufferTooLarge = false;
+
         // don't replicate if the log entries have already been consumed by the cluster
         if (replicationEndpoint.canReplicateToSameCluster()
             || !entry.getKey().getClusterIds().contains(peerClusterId)) {
@@ -835,16 +828,15 @@ public class ReplicationSource extends Thread
             logKey.addClusterId(clusterId);
             currentNbOperations += countDistinctRowKeys(edit);
             entries.add(entry);
-            int delta = (int)entry.getEdit().heapSize() + calculateTotalSizeOfStoreFiles(edit);
-            currentSize += delta;
-            totalBufferTooLarge = acquireBufferQuota(delta);
+            currentSize += entry.getEdit().heapSize();
+            currentSize += calculateTotalSizeOfStoreFiles(edit);
           } else {
             metrics.incrLogEditsFiltered();
           }
         }
         // Stop if too many entries or too big
         // FIXME check the relationship between single wal group and overall
-        if (totalBufferTooLarge || currentSize >= replicationQueueSizeCapacity
+        if (currentSize >= replicationQueueSizeCapacity
             || entries.size() >= replicationQueueNbCapacity) {
           break;
         }
@@ -1325,19 +1317,5 @@ public class ReplicationSource extends Thread
     public void setWorkerRunning(boolean workerRunning) {
       this.workerRunning = workerRunning;
     }
-
-    /**
-     * @param size delta size for grown buffer
-     * @return true if we should clear buffer and push all
-     */
-    private boolean acquireBufferQuota(int size) {
-      return totalBufferUsed.addAndGet(size) >= totalBufferQuota;
-    }
-
-    private void releaseBufferQuota() {
-      totalBufferUsed.addAndGet(-currentSize);
-      currentSize = 0;
-      entries.clear();
-    }
   }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index 2634a52..2c9fdcc 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -42,7 +42,6 @@ import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -127,8 +126,6 @@ public class ReplicationSourceManager implements ReplicationListener {
   private Connection connection;
   private long replicationWaitTime;
 
-  private AtomicInteger totalBufferUsed = new AtomicInteger();
-
   /**
    * Creates a replication manager and sets the watch on all the other registered region
servers
    * @param replicationQueues the interface for manipulating replication queues
@@ -438,11 +435,6 @@ public class ReplicationSourceManager implements ReplicationListener
{
     }
   }
 
-  @VisibleForTesting
-  AtomicInteger getTotalBufferUsed() {
-    return totalBufferUsed;
-  }
-
   /**
    * Factory method to create a replication source
    * @param conf the configuration to use

http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index f9c467e..002b8c9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.hbase.replication;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -362,7 +361,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     @Override
     public boolean replicate(ReplicateContext replicateContext) {
       replicateCount.incrementAndGet();
-      lastEntries = new ArrayList<>(replicateContext.entries);
+      lastEntries = replicateContext.entries;
       return true;
     }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/a1d2ff46/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestGlobalThrottler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestGlobalThrottler.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestGlobalThrottler.java
deleted file mode 100644
index a40d7ed..0000000
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestGlobalThrottler.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hadoop.hbase.replication.regionserver;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HColumnDescriptor;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.HTestConst;
-import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.Put;
-import org.apache.hadoop.hbase.client.Result;
-import org.apache.hadoop.hbase.client.ResultScanner;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.client.Table;
-import org.apache.hadoop.hbase.client.replication.ReplicationAdmin;
-import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
-import org.apache.hadoop.hbase.replication.ReplicationSourceDummy;
-import org.apache.hadoop.hbase.testclassification.LargeTests;
-import org.apache.hadoop.hbase.testclassification.ReplicationTests;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
-import org.apache.hadoop.hbase.util.Threads;
-import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;
-import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
-import org.junit.AfterClass;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
-@Category({ ReplicationTests.class, LargeTests.class })
-public class TestGlobalThrottler {
-  private static final Log LOG = LogFactory.getLog(TestGlobalThrottler.class);
-  private static Configuration conf1;
-  private static Configuration conf2;
-
-  private static HBaseTestingUtility utility1;
-  private static HBaseTestingUtility utility2;
-
-  private static final byte[] famName = Bytes.toBytes("f");
-  private static final byte[] VALUE = Bytes.toBytes("v");
-  private static final byte[] ROW = Bytes.toBytes("r");
-  private static final byte[][] ROWS = HTestConst.makeNAscii(ROW, 100);
-
-  @BeforeClass
-  public static void setUpBeforeClass() throws Exception {
-    conf1 = HBaseConfiguration.create();
-    conf1.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/1");
-    conf1.setLong("replication.source.sleepforretries", 100);
-    // Each WAL is about 120 bytes
-    conf1.setInt(HConstants.REPLICATION_SOURCE_TOTAL_BUFFER_KEY, 200);
-    conf1.setLong("replication.source.per.peer.node.bandwidth", 100L);
-
-    utility1 = new HBaseTestingUtility(conf1);
-    utility1.startMiniZKCluster();
-    MiniZooKeeperCluster miniZK = utility1.getZkCluster();
-    new ZooKeeperWatcher(conf1, "cluster1", null, true);
-
-    conf2 = new Configuration(conf1);
-    conf2.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/2");
-
-    utility2 = new HBaseTestingUtility(conf2);
-    utility2.setZkCluster(miniZK);
-    new ZooKeeperWatcher(conf2, "cluster2", null, true);
-
-    ReplicationAdmin admin1 = new ReplicationAdmin(conf1);
-    ReplicationPeerConfig rpc = new ReplicationPeerConfig();
-    rpc.setClusterKey(utility2.getClusterKey());
-    admin1.addPeer("peer1", rpc, null);
-    admin1.addPeer("peer2", rpc, null);
-    admin1.addPeer("peer3", rpc, null);
-
-    utility1.startMiniCluster(1, 1);
-    utility2.startMiniCluster(1, 1);
-  }
-
-  @AfterClass
-  public static void setDownAfterClass() throws Exception {
-    utility2.shutdownMiniCluster();
-    utility1.shutdownMiniCluster();
-  }
-
-
-  volatile private boolean testQuotaPass = false;
-  volatile private boolean testQuotaNonZero = false;
-  @Test
-  public void testQuota() throws IOException {
-    TableName tableName = TableName.valueOf("testQuota");
-    HTableDescriptor table = new HTableDescriptor(tableName);
-    HColumnDescriptor fam = new HColumnDescriptor(famName);
-    fam.setScope(HConstants.REPLICATION_SCOPE_SERIAL);
-    table.addFamily(fam);
-    utility1.getHBaseAdmin().createTable(table);
-    utility2.getHBaseAdmin().createTable(table);
-
-    Thread watcher = new Thread(()->{
-      Replication replication = (Replication)utility1.getMiniHBaseCluster()
-          .getRegionServer(0).getReplicationSourceService();
-      AtomicInteger bufferUsed = replication.getReplicationManager().getTotalBufferUsed();
-      testQuotaPass = true;
-      while (!Thread.interrupted()) {
-        int size = bufferUsed.get();
-        if (size > 0) {
-          testQuotaNonZero = true;
-        }
-        if (size > 600) {
-          // We read logs first then check throttler, so if the buffer quota limiter doesn't
-          // take effect, it will push many logs and exceed the quota.
-          testQuotaPass = false;
-        }
-        Threads.sleep(50);
-      }
-    });
-    watcher.start();
-
-    try(Table t1 = utility1.getConnection().getTable(tableName);
-        Table t2 = utility2.getConnection().getTable(tableName)) {
-      for (int i = 0; i < 50; i++) {
-        Put put = new Put(ROWS[i]);
-        put.addColumn(famName, VALUE, VALUE);
-        t1.put(put);
-      }
-      long start = EnvironmentEdgeManager.currentTime();
-      while (EnvironmentEdgeManager.currentTime() - start < 180000) {
-        Scan scan = new Scan();
-        scan.setCaching(50);
-        int count = 0;
-        try (ResultScanner results = t2.getScanner(scan)) {
-          for (Result result : results) {
-            count++;
-          }
-        }
-        if (count < 50) {
-          LOG.info("Waiting for all logs pushed to slave. Expected 50 , actual " + count);
-          Threads.sleep(200);
-          continue;
-        }
-        break;
-      }
-    }
-
-    watcher.interrupt();
-    Assert.assertTrue(testQuotaPass);
-    Assert.assertTrue(testQuotaNonZero);
-  }
-
-  private List<Integer> getRowNumbers(List<Cell> cells) {
-    List<Integer> listOfRowNumbers = new ArrayList<>();
-    for (Cell c : cells) {
-      listOfRowNumbers.add(Integer.parseInt(Bytes
-          .toString(c.getRowArray(), c.getRowOffset() + ROW.length,
-              c.getRowLength() - ROW.length)));
-    }
-    return listOfRowNumbers;
-  }
-}


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