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HBASE-28443 Return too slow when scanning a table with non-existing REGION_REPLICA_ID #5767
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            guluo2016
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            207 changes: 207 additions & 0 deletions
          
          207 
        
  .../src/test/java/org/apache/hadoop/hbase/client/TestScanOrGetWithReplicationFromClient.java
  
  
      
      
   
        
      
      
    
  
    
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              | Original file line number | Diff line number | Diff line change | 
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| /* | ||
| * 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.client; | ||
|  | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertTrue; | ||
| import static org.junit.Assert.fail; | ||
|  | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import org.apache.hadoop.hbase.DoNotRetryIOException; | ||
| import org.apache.hadoop.hbase.HBaseClassTestRule; | ||
| import org.apache.hadoop.hbase.HBaseTestingUtil; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.filter.PrefixFilter; | ||
| import org.apache.hadoop.hbase.regionserver.HRegion; | ||
| import org.apache.hadoop.hbase.testclassification.ClientTests; | ||
| import org.apache.hadoop.hbase.testclassification.MediumTests; | ||
| import org.apache.hadoop.hbase.util.Bytes; | ||
| import org.apache.hadoop.io.IOUtils; | ||
| import org.junit.After; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Before; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.ClassRule; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.categories.Category; | ||
| import org.junit.rules.TestName; | ||
|  | ||
| @Category({ MediumTests.class, ClientTests.class }) | ||
| public class TestScanOrGetWithReplicationFromClient { | ||
| @ClassRule | ||
| public static final HBaseClassTestRule CLASS_RULE = | ||
| HBaseClassTestRule.forClass(TestScanOrGetWithReplicationFromClient.class); | ||
|  | ||
| @Rule | ||
| public TestName name = new TestName(); | ||
|  | ||
| private final static HBaseTestingUtil UTIL = new HBaseTestingUtil(); | ||
| private static final String ROW = "r1"; | ||
| private static final byte[] FAMILY = Bytes.toBytes("info"); | ||
| private static final int REGION_REPLICATION_COUNT = 2; | ||
| // region replica id starts from 0 | ||
| private static final int NON_EXISTING_REGION_REPLICA_ID = REGION_REPLICATION_COUNT; | ||
| private static Connection connection; | ||
| private static Admin admin; | ||
| private TableName tableName; | ||
|  | ||
| @BeforeClass | ||
| public static void setUpBeforeClass() throws Exception { | ||
| UTIL.startMiniCluster(1); | ||
| connection = UTIL.getConnection(); | ||
| admin = UTIL.getAdmin(); | ||
| } | ||
|  | ||
| @AfterClass | ||
| public static void tearDownAfterClass() throws Exception { | ||
| IOUtils.cleanup(null, admin); | ||
| IOUtils.cleanup(null, connection); | ||
| UTIL.shutdownMiniCluster(); | ||
| } | ||
|  | ||
| @Before | ||
| public void setUp() throws Exception { | ||
| tableName = TableName.valueOf(name.getMethodName()); | ||
| ColumnFamilyDescriptor columnFamilyDescriptor = | ||
| ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).build(); | ||
| TableDescriptor tableDescriptor = | ||
| TableDescriptorBuilder.newBuilder(tableName).setColumnFamily(columnFamilyDescriptor) | ||
| .setRegionReplication(REGION_REPLICATION_COUNT).build(); | ||
| admin.createTable(tableDescriptor); | ||
| UTIL.waitTableAvailable(tableName); | ||
| assertTrue(admin.tableExists(tableName)); | ||
| assertEquals(REGION_REPLICATION_COUNT, tableDescriptor.getRegionReplication()); | ||
|  | ||
| List<HRegion> regions = UTIL.getHBaseCluster().getRegions(tableName); | ||
| assertEquals(REGION_REPLICATION_COUNT, regions.size()); | ||
|  | ||
| Table table = connection.getTable(tableName); | ||
| Put put = new Put(Bytes.toBytes(ROW)).addColumn(FAMILY, Bytes.toBytes("q"), | ||
| Bytes.toBytes("test_value")); | ||
| table.put(put); | ||
| admin.flush(tableName); | ||
|  | ||
| Scan scan = new Scan(); | ||
| ResultScanner rs = table.getScanner(scan); | ||
| rs.forEach(r -> assertEquals(ROW, Bytes.toString(r.getRow()))); | ||
| } | ||
|  | ||
| @After | ||
| public void tearDown() throws Exception { | ||
| UTIL.deleteTable(tableName); | ||
| } | ||
|  | ||
| @Test | ||
| public void testScanMetaWithRegionReplicaId() throws IOException { | ||
| Table metaTable = connection.getTable(TableName.META_TABLE_NAME); | ||
| Scan scan = new Scan(); | ||
| scan.setFilter(new PrefixFilter(tableName.getName())); | ||
| scan.setReplicaId(RegionReplicaUtil.DEFAULT_REPLICA_ID); | ||
| scan.setConsistency(Consistency.TIMELINE); | ||
| ResultScanner rs = metaTable.getScanner(scan); | ||
| rs.forEach(r -> assertTrue(Bytes.toString(r.getRow()).contains(tableName.getNameAsString()))); | ||
| } | ||
|  | ||
| @Test | ||
| public void testScanMetaWithNonExistingRegionReplicaId() throws IOException { | ||
| Table metaTable = connection.getTable(TableName.META_TABLE_NAME); | ||
| Scan scan = new Scan(); | ||
| scan.setReplicaId(NON_EXISTING_REGION_REPLICA_ID); | ||
| scan.setConsistency(Consistency.TIMELINE); | ||
| ResultScanner rs = metaTable.getScanner(scan); | ||
| try { | ||
| rs.forEach(r -> Bytes.toString(r.getRow())); | ||
| fail("Should not reach here"); | ||
| } catch (Exception e) { | ||
| Throwable throwable = e.getCause(); | ||
| assertTrue(throwable instanceof DoNotRetryIOException); | ||
| String message = "The specified region replica id " + NON_EXISTING_REGION_REPLICA_ID | ||
| + " does not exist, the REGION_REPLICATION of this table " | ||
| + TableName.META_TABLE_NAME.getNameAsString() + " is " | ||
| + TableDescriptorBuilder.DEFAULT_REGION_REPLICATION + ", " | ||
| + "this means that the maximum region replica id you can specify is " | ||
| + (TableDescriptorBuilder.DEFAULT_REGION_REPLICATION - 1) + "."; | ||
| assertEquals(message, throwable.getMessage()); | ||
| } | ||
| } | ||
|  | ||
| @Test | ||
| public void testScanTableWithRegionReplicaId() throws IOException { | ||
| Table table = connection.getTable(tableName); | ||
| Scan scan = new Scan(); | ||
| scan.setReplicaId(RegionReplicaUtil.DEFAULT_REPLICA_ID); | ||
| scan.setConsistency(Consistency.TIMELINE); | ||
| ResultScanner rs = table.getScanner(scan); | ||
| rs.forEach(r -> assertEquals(ROW, Bytes.toString(r.getRow()))); | ||
| } | ||
|  | ||
| @Test | ||
| public void testScanTableWithNonExistingRegionReplicaId() throws IOException { | ||
| Table table = connection.getTable(tableName); | ||
| Scan scan = new Scan(); | ||
| scan.setReplicaId(NON_EXISTING_REGION_REPLICA_ID); | ||
| scan.setConsistency(Consistency.TIMELINE); | ||
| ResultScanner rs = table.getScanner(scan); | ||
| try { | ||
| rs.forEach(r -> Bytes.toString(r.getRow())); | ||
| fail("Should not reach here"); | ||
| } catch (Exception e) { | ||
| Throwable throwable = e.getCause(); | ||
| assertTrue(throwable instanceof DoNotRetryIOException); | ||
| String message = "The specified region replica id " + NON_EXISTING_REGION_REPLICA_ID | ||
| + " does not exist, the REGION_REPLICATION of this table " + tableName.getNameAsString() | ||
| + " is " + REGION_REPLICATION_COUNT + ", " | ||
| + "this means that the maximum region replica id you can specify is " | ||
| + (REGION_REPLICATION_COUNT - 1) + "."; | ||
| assertEquals(message, throwable.getMessage()); | ||
| } | ||
| } | ||
|  | ||
| @Test | ||
| public void testGetTableWithRegionReplicaId() throws IOException { | ||
| Table table = connection.getTable(tableName); | ||
| Get get = new Get(Bytes.toBytes(ROW)).setConsistency(Consistency.TIMELINE) | ||
| .setReplicaId(RegionReplicaUtil.DEFAULT_REPLICA_ID); | ||
| Result result = table.get(get); | ||
| assertEquals(ROW, Bytes.toString(result.getRow())); | ||
| String value = Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("q"))); | ||
| assertEquals("test_value", value); | ||
| } | ||
|  | ||
| @Test | ||
| public void testGetTableWithNonExistingRegionReplicaId() throws IOException { | ||
| Table table = connection.getTable(tableName); | ||
| Get get = new Get(Bytes.toBytes(ROW)).setConsistency(Consistency.TIMELINE) | ||
| .setReplicaId(NON_EXISTING_REGION_REPLICA_ID); | ||
| try { | ||
| Result result = table.get(get); | ||
| result.getValue(FAMILY, Bytes.toBytes("q")); | ||
| fail("Should not reach here"); | ||
| } catch (Exception e) { | ||
| assertTrue(e instanceof DoNotRetryIOException); | ||
| String message = "The specified region replica id " + NON_EXISTING_REGION_REPLICA_ID | ||
| + " does not exist, the REGION_REPLICATION of this table " + tableName.getNameAsString() | ||
| + " is " + REGION_REPLICATION_COUNT + ", " | ||
| + "this means that the maximum region replica id you can specify is " | ||
| + (REGION_REPLICATION_COUNT - 1) + "."; | ||
| assertEquals(message, e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
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Test should fail if no exception is thrown.
So I will update it.