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From ramkris...@apache.org
Subject hbase git commit: HBASE-14660 AssertionError found when using offheap BucketCache with assertion enabled (ram)
Date Wed, 28 Oct 2015 09:51:39 GMT
Repository: hbase
Updated Branches:
  refs/heads/master bae94ca97 -> 51538c5ff


HBASE-14660 AssertionError found when using offheap BucketCache with
assertion enabled (ram)


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/51538c5f
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/51538c5f
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/51538c5f

Branch: refs/heads/master
Commit: 51538c5ff89dd7ee8e32ef4895d10bfc58045b17
Parents: bae94ca9
Author: ramkrishna <ramkrishna.s.vasudevan@gmail.com>
Authored: Wed Oct 28 15:20:41 2015 +0530
Committer: ramkrishna <ramkrishna.s.vasudevan@gmail.com>
Committed: Wed Oct 28 15:20:41 2015 +0530

----------------------------------------------------------------------
 .../hadoop/hbase/io/hfile/HFileReaderImpl.java  |  33 +-
 .../io/hfile/TestScannerFromBucketCache.java    | 379 +++++++++++++++++++
 .../hadoop/hbase/io/hfile/TestSeekTo.java       |   4 +
 3 files changed, 409 insertions(+), 7 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/51538c5f/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
index 49b6f5e..930f42a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
@@ -49,7 +49,6 @@ import org.apache.hadoop.hbase.io.crypto.Encryption;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;
-import org.apache.hadoop.hbase.io.hfile.Cacheable.MemoryType;
 import org.apache.hadoop.hbase.io.hfile.HFile.FileInfo;
 import org.apache.hadoop.hbase.nio.ByteBuff;
 import org.apache.hadoop.hbase.security.EncryptionUtil;
@@ -930,7 +929,7 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
         // TODO : reduce the varieties of KV here. Check if based on a boolean
         // we can handle the 'no tags' case.
         if (currTagsLen > 0) {
-          if (this.curBlock.getMemoryType() == MemoryType.SHARED) {
+          if (this.curBlock.usesSharedMemory()) {
             ret = new ShareableMemoryKeyValue(blockBuffer.array(), blockBuffer.arrayOffset()
               + blockBuffer.position(), getCellBufSize(), seqId);
           } else {
@@ -938,7 +937,7 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
                     + blockBuffer.position(), cellBufSize, seqId);
           }
         } else {
-          if (this.curBlock.getMemoryType() == MemoryType.SHARED) {
+          if (this.curBlock.usesSharedMemory()) {
             ret = new ShareableMemoryNoTagsKeyValue(blockBuffer.array(), blockBuffer.arrayOffset()
                     + blockBuffer.position(), getCellBufSize(), seqId);
           } else {
@@ -948,11 +947,31 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
         }
       } else {
         ByteBuffer buf = blockBuffer.asSubByteBuffer(cellBufSize);
-        if (this.curBlock.getMemoryType() == MemoryType.SHARED) {
-          ret = new ShareableMemoryOffheapKeyValue(buf, buf.position(), cellBufSize,
-            currTagsLen > 0, seqId);
+        if (buf.isDirect()) {
+          if (this.curBlock.usesSharedMemory()) {
+            ret = new ShareableMemoryOffheapKeyValue(buf, buf.position(), cellBufSize,
+                currTagsLen > 0, seqId);
+          } else {
+            ret = new OffheapKeyValue(buf, buf.position(), cellBufSize, currTagsLen >
0, seqId);
+          }
         } else {
-          ret = new OffheapKeyValue(buf, buf.position(), cellBufSize, currTagsLen > 0,
seqId);
+          if (this.curBlock.usesSharedMemory()) {
+            if (currTagsLen > 0) {
+              ret = new ShareableMemoryKeyValue(buf.array(), buf.arrayOffset() + buf.position(),
+                  cellBufSize, seqId);
+            } else {
+              ret = new ShareableMemoryNoTagsKeyValue(buf.array(),
+                  buf.arrayOffset() + buf.position(), cellBufSize, seqId);
+            }
+          } else {
+            if (currTagsLen > 0) {
+              ret = new SizeCachedKeyValue(buf.array(), buf.arrayOffset() + buf.position(),
+                  cellBufSize, seqId);
+            } else {
+              ret = new SizeCachedNoTagsKeyValue(buf.array(), buf.arrayOffset() + buf.position(),
+                  cellBufSize, seqId);
+            }
+          }
         }
       }
       return ret;

http://git-wip-us.apache.org/repos/asf/hbase/blob/51538c5f/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestScannerFromBucketCache.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestScannerFromBucketCache.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestScannerFromBucketCache.java
new file mode 100644
index 0000000..bb6f899
--- /dev/null
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestScannerFromBucketCache.java
@@ -0,0 +1,379 @@
+/**
+ *
+ * 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.io.hfile;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.OffheapKeyValue;
+import org.apache.hadoop.hbase.ShareableMemory;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Durability;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.InternalScanner;
+import org.apache.hadoop.hbase.regionserver.Store;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.testclassification.RegionServerTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
+import org.apache.hadoop.hbase.wal.WAL;
+import org.junit.After;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TestName;
+
+@Category({ RegionServerTests.class, MediumTests.class })
+public class TestScannerFromBucketCache {
+  private static final Log LOG = LogFactory.getLog(TestScannerFromBucketCache.class);
+  @Rule
+  public TestName name = new TestName();
+
+  HRegion region = null;
+  private HBaseTestingUtility test_util;
+  public Configuration conf;
+  private final int MAX_VERSIONS = 2;
+  byte[] val = new byte[512 * 1024];
+
+  // Test names
+  private TableName tableName;
+
+  private void setUp(boolean offheap, boolean useBucketCache) throws IOException {
+    test_util = HBaseTestingUtility.createLocalHTU();
+    conf = test_util.getConfiguration();
+    if (useBucketCache) {
+      conf.setInt("hbase.bucketcache.size", 400);
+      if (offheap) {
+        conf.setStrings("hbase.bucketcache.ioengine", "offheap");
+      } else {
+        conf.setStrings("hbase.bucketcache.ioengine", "heap");
+      }
+      conf.setInt("hbase.bucketcache.writer.threads", 10);
+      conf.setFloat("hfile.block.cache.size", 0.2f);
+      conf.setFloat("hbase.regionserver.global.memstore.size", 0.1f);
+    }
+    tableName = TableName.valueOf(name.getMethodName());
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    EnvironmentEdgeManagerTestHelper.reset();
+    LOG.info("Cleaning test directory: " + test_util.getDataTestDir());
+    test_util.cleanupTestDir();
+    CacheConfig.GLOBAL_BLOCK_CACHE_INSTANCE = null;
+  }
+
+  String getName() {
+    return name.getMethodName();
+  }
+
+  @Test
+  public void testBasicScanWithLRUCache() throws IOException {
+    setUp(false, false);
+    byte[] row1 = Bytes.toBytes("row1");
+    byte[] qf1 = Bytes.toBytes("qualifier1");
+    byte[] qf2 = Bytes.toBytes("qualifier2");
+    byte[] fam1 = Bytes.toBytes("lrucache");
+
+    long ts1 = 1; // System.currentTimeMillis();
+    long ts2 = ts1 + 1;
+    long ts3 = ts1 + 2;
+
+    // Setting up region
+    String method = this.getName();
+    this.region = initHRegion(tableName, method, conf, test_util, fam1);
+    try {
+      List<Cell> expected = insertData(row1, qf1, qf2, fam1, ts1, ts2, ts3, false);
+
+      List<Cell> actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertFalse(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+      // do the scan again and verify. This time it should be from the lru cache
+      actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertFalse(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+
+    } finally {
+      HBaseTestingUtility.closeRegionAndWAL(this.region);
+      this.region = null;
+    }
+  }
+
+  @Test
+  public void testBasicScanWithOffheapBucketCache() throws IOException {
+    setUp(true, true);
+    byte[] row1 = Bytes.toBytes("row1offheap");
+    byte[] qf1 = Bytes.toBytes("qualifier1");
+    byte[] qf2 = Bytes.toBytes("qualifier2");
+    byte[] fam1 = Bytes.toBytes("famoffheap");
+
+    long ts1 = 1; // System.currentTimeMillis();
+    long ts2 = ts1 + 1;
+    long ts3 = ts1 + 2;
+
+    // Setting up region
+    String method = this.getName();
+    this.region = initHRegion(tableName, method, conf, test_util, fam1);
+    try {
+      List<Cell> expected = insertData(row1, qf1, qf2, fam1, ts1, ts2, ts3, false);
+
+      List<Cell> actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertFalse(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+      // Wait for the bucket cache threads to move the data to offheap
+      Thread.sleep(500);
+      // do the scan again and verify. This time it should be from the bucket cache in offheap
mode
+      actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertTrue(actual.get(i) instanceof OffheapKeyValue);
+        assertTrue(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+
+    } catch (InterruptedException e) {
+    } finally {
+      HBaseTestingUtility.closeRegionAndWAL(this.region);
+      this.region = null;
+    }
+  }
+
+  @Test
+  public void testBasicScanWithOffheapBucketCacheWithMBB() throws IOException {
+    setUp(true, true);
+    byte[] row1 = Bytes.toBytes("row1offheap");
+    byte[] qf1 = Bytes.toBytes("qualifier1");
+    byte[] qf2 = Bytes.toBytes("qualifier2");
+    byte[] fam1 = Bytes.toBytes("famoffheap");
+
+    long ts1 = 1; // System.currentTimeMillis();
+    long ts2 = ts1 + 1;
+    long ts3 = ts1 + 2;
+
+    // Setting up region
+    String method = this.getName();
+    this.region = initHRegion(tableName, method, conf, test_util, fam1);
+    try {
+      List<Cell> expected = insertData(row1, qf1, qf2, fam1, ts1, ts2, ts3, true);
+
+      List<Cell> actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertFalse(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+      // Wait for the bucket cache threads to move the data to offheap
+      Thread.sleep(500);
+      // do the scan again and verify. This time it should be from the bucket cache in offheap
mode
+      // but one of the cell will be copied due to the asSubByteBuff call
+      Scan scan = new Scan(row1);
+      scan.addFamily(fam1);
+      scan.setMaxVersions(10);
+      actual = new ArrayList<Cell>();
+      InternalScanner scanner = region.getScanner(scan, false);
+
+      boolean hasNext = scanner.next(actual);
+      assertEquals(false, hasNext);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        if (i != 5) {
+          // the last cell fetched will be of type shareable but not offheap because
+          // the MBB is copied to form a single cell
+          assertTrue(actual.get(i) instanceof OffheapKeyValue);
+        }
+        assertTrue(actual.get(i) instanceof ShareableMemory);
+      }
+
+    } catch (InterruptedException e) {
+    } finally {
+      HBaseTestingUtility.closeRegionAndWAL(this.region);
+      this.region = null;
+    }
+  }
+
+  @Test
+  public void testBasicScanWithOnheapBucketCache() throws IOException {
+    setUp(false, true);
+    byte[] row1 = Bytes.toBytes("row1onheap");
+    byte[] qf1 = Bytes.toBytes("qualifier1");
+    byte[] qf2 = Bytes.toBytes("qualifier2");
+    byte[] fam1 = Bytes.toBytes("famonheap");
+
+    long ts1 = 1; // System.currentTimeMillis();
+    long ts2 = ts1 + 1;
+    long ts3 = ts1 + 2;
+
+    // Setting up region
+    String method = this.getName();
+    this.region = initHRegion(tableName, method, conf, test_util, fam1);
+    try {
+      List<Cell> expected = insertData(row1, qf1, qf2, fam1, ts1, ts2, ts3, false);
+
+      List<Cell> actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertFalse(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+      // do the scan again and verify. This time it should be from the bucket cache in onheap
mode
+      actual = performScan(row1, fam1);
+      // Verify result
+      for (int i = 0; i < expected.size(); i++) {
+        assertFalse(actual.get(i) instanceof OffheapKeyValue);
+        assertTrue(actual.get(i) instanceof ShareableMemory);
+        assertTrue(CellUtil.equalsIgnoreMvccVersion(expected.get(i), actual.get(i)));
+      }
+
+    } finally {
+      HBaseTestingUtility.closeRegionAndWAL(this.region);
+      this.region = null;
+    }
+  }
+
+  private List<Cell> insertData(byte[] row1, byte[] qf1, byte[] qf2, byte[] fam1, long
ts1,
+      long ts2, long ts3, boolean withVal) throws IOException {
+    // Putting data in Region
+    Put put = null;
+    KeyValue kv13 = null;
+    KeyValue kv12 = null;
+    KeyValue kv11 = null;
+
+    KeyValue kv23 = null;
+    KeyValue kv22 = null;
+    KeyValue kv21 = null;
+    if (!withVal) {
+      kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
+      kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
+      kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
+
+      kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
+      kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
+      kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
+    } else {
+      kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, val);
+      kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, val);
+      kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, val);
+
+      kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, val);
+      kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, val);
+      kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, val);
+    }
+
+    put = new Put(row1);
+    put.add(kv13);
+    put.add(kv12);
+    put.add(kv11);
+    put.add(kv23);
+    put.add(kv22);
+    put.add(kv21);
+    region.put(put);
+    region.flush(true);
+    Store store = region.getStore(fam1);
+    while (store.getStorefilesCount() <= 0) {
+      try {
+        Thread.sleep(20);
+      } catch (InterruptedException e) {
+      }
+    }
+
+    // Expected
+    List<Cell> expected = new ArrayList<Cell>();
+    expected.add(kv13);
+    expected.add(kv12);
+    expected.add(kv23);
+    expected.add(kv22);
+    return expected;
+  }
+
+  private List<Cell> performScan(byte[] row1, byte[] fam1) throws IOException {
+    Scan scan = new Scan(row1);
+    scan.addFamily(fam1);
+    scan.setMaxVersions(MAX_VERSIONS);
+    List<Cell> actual = new ArrayList<Cell>();
+    InternalScanner scanner = region.getScanner(scan, false);
+
+    boolean hasNext = scanner.next(actual);
+    assertEquals(false, hasNext);
+    return actual;
+  }
+
+  private static HRegion initHRegion(TableName tableName, String callingMethod, Configuration
conf,
+      HBaseTestingUtility test_util, byte[]... families) throws IOException {
+    return initHRegion(tableName, null, null, callingMethod, conf, test_util, false, families);
+  }
+
+  private static HRegion initHRegion(TableName tableName, byte[] startKey, byte[] stopKey,
+      String callingMethod, Configuration conf, HBaseTestingUtility test_util, boolean isReadOnly,
+      byte[]... families) throws IOException {
+    Path logDir = test_util.getDataTestDirOnTestFS(callingMethod + ".log");
+    HRegionInfo hri = new HRegionInfo(tableName, startKey, stopKey);
+    final WAL wal = HBaseTestingUtility.createWal(conf, logDir, hri);
+    return initHRegion(tableName, startKey, stopKey, callingMethod, conf, test_util, isReadOnly,
+      Durability.SYNC_WAL, wal, families);
+  }
+
+  /**
+   * @param tableName
+   * @param startKey
+   * @param stopKey
+   * @param callingMethod
+   * @param conf
+   * @param isReadOnly
+   * @param families
+   * @throws IOException
+   * @return A region on which you must call {@link HBaseTestingUtility#closeRegionAndWAL(HRegion)}
+   *         when done.
+   */
+  private static HRegion initHRegion(TableName tableName, byte[] startKey, byte[] stopKey,
+      String callingMethod, Configuration conf, HBaseTestingUtility test_util, boolean isReadOnly,
+      Durability durability, WAL wal, byte[]... families) throws IOException {
+    return test_util.createLocalHRegion(tableName, startKey, stopKey, isReadOnly, durability,
wal,
+      families);
+  }
+}

http://git-wip-us.apache.org/repos/asf/hbase/blob/51538c5f/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java
index bd5b098..c1d91ec 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java
@@ -42,6 +42,8 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValueUtil;
+import org.apache.hadoop.hbase.OffheapKeyValue;
+import org.apache.hadoop.hbase.ShareableMemory;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.testclassification.IOTests;
@@ -215,6 +217,8 @@ public class TestSeekTo {
 
     // seekBefore d, so the scanner points to c
     assertTrue(scanner.seekBefore(toKV("d", tagUsage)));
+    assertFalse(scanner.getCell() instanceof ShareableMemory);
+    assertFalse(scanner.getCell() instanceof OffheapKeyValue);
     assertEquals("c", toRowStr(scanner.getCell()));
     // reseekTo e and g
     assertEquals(0, scanner.reseekTo(toKV("c", tagUsage)));


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