Source code

001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.procedure2.store.wal;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertFalse;
022import static org.junit.Assert.assertTrue;
023
024import java.util.Random;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.procedure2.Procedure;
027import org.apache.hadoop.hbase.testclassification.MasterTests;
028import org.apache.hadoop.hbase.testclassification.MediumTests;
029import org.junit.ClassRule;
030import org.junit.Test;
031import org.junit.experimental.categories.Category;
032import org.slf4j.Logger;
033import org.slf4j.LoggerFactory;
034
035@Category({MasterTests.class, MediumTests.class})
036public class TestProcedureStoreTracker {
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039      HBaseClassTestRule.forClass(TestProcedureStoreTracker.class);
040
041  private static final Logger LOG = LoggerFactory.getLogger(TestProcedureStoreTracker.class);
042
043  @Test
044  public void testSeqInsertAndDelete() {
045    ProcedureStoreTracker tracker = new ProcedureStoreTracker();
046    assertTrue(tracker.isEmpty());
047
048    final int MIN_PROC = 1;
049    final int MAX_PROC = 1 << 10;
050
051    // sequential insert
052    for (int i = MIN_PROC; i < MAX_PROC; ++i) {
053      tracker.insert(i);
054
055      // All the proc that we inserted should not be deleted
056      for (int j = MIN_PROC; j <= i; ++j) {
057        assertEquals(ProcedureStoreTracker.DeleteState.NO, tracker.isDeleted(j));
058      }
059      // All the proc that are not yet inserted should be result as deleted
060      for (int j = i + 1; j < MAX_PROC; ++j) {
061        assertTrue(tracker.isDeleted(j) != ProcedureStoreTracker.DeleteState.NO);
062      }
063    }
064
065    // sequential delete
066    for (int i = MIN_PROC; i < MAX_PROC; ++i) {
067      tracker.delete(i);
068
069      // All the proc that we deleted should be deleted
070      for (int j = MIN_PROC; j <= i; ++j) {
071        assertEquals(ProcedureStoreTracker.DeleteState.YES, tracker.isDeleted(j));
072      }
073      // All the proc that are not yet deleted should be result as not deleted
074      for (int j = i + 1; j < MAX_PROC; ++j) {
075        assertEquals(ProcedureStoreTracker.DeleteState.NO, tracker.isDeleted(j));
076      }
077    }
078    assertTrue(tracker.isEmpty());
079  }
080
081  @Test
082  public void testPartialTracker() {
083    ProcedureStoreTracker tracker = new ProcedureStoreTracker();
084    tracker.setPartialFlag(true);
085
086    // nothing in the tracker, the state is unknown
087    assertTrue(tracker.isEmpty());
088    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(1));
089    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(579));
090
091    // Mark 1 as deleted, now that is a known state
092    tracker.setDeleted(1, true);
093    tracker.dump();
094    assertEquals(ProcedureStoreTracker.DeleteState.YES, tracker.isDeleted(1));
095    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(2));
096    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(579));
097
098    // Mark 579 as non-deleted, now that is a known state
099    tracker.setDeleted(579, false);
100    assertEquals(ProcedureStoreTracker.DeleteState.YES, tracker.isDeleted(1));
101    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(2));
102    assertEquals(ProcedureStoreTracker.DeleteState.NO, tracker.isDeleted(579));
103    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(577));
104    assertEquals(ProcedureStoreTracker.DeleteState.MAYBE, tracker.isDeleted(580));
105
106    tracker.setDeleted(579, true);
107    tracker.setPartialFlag(false);
108    assertTrue(tracker.isEmpty());
109  }
110
111  @Test
112  public void testBasicCRUD() {
113    ProcedureStoreTracker tracker = new ProcedureStoreTracker();
114    assertTrue(tracker.isEmpty());
115
116    long[] procs = new long[] { 1, 2, 3, 4, 5, 6 };
117
118    tracker.insert(procs[0]);
119    tracker.insert(procs[1], new long[] { procs[2], procs[3], procs[4] });
120    assertFalse(tracker.isEmpty());
121    assertTrue(tracker.isAllModified());
122
123    tracker.resetModified();
124    assertFalse(tracker.isAllModified());
125
126    for (int i = 0; i < 4; ++i) {
127      tracker.update(procs[i]);
128      assertFalse(tracker.isEmpty());
129      assertFalse(tracker.isAllModified());
130    }
131
132    tracker.update(procs[4]);
133    assertFalse(tracker.isEmpty());
134    assertTrue(tracker.isAllModified());
135
136    tracker.update(procs[5]);
137    assertFalse(tracker.isEmpty());
138    assertTrue(tracker.isAllModified());
139
140    for (int i = 0; i < 5; ++i) {
141      tracker.delete(procs[i]);
142      assertFalse(tracker.isEmpty());
143      assertTrue(tracker.isAllModified());
144    }
145    tracker.delete(procs[5]);
146    assertTrue(tracker.isEmpty());
147  }
148
149  @Test
150  public void testRandLoad() {
151    final int NPROCEDURES = 2500;
152    final int NRUNS = 5000;
153
154    final ProcedureStoreTracker tracker = new ProcedureStoreTracker();
155
156    Random rand = new Random(1);
157    for (int i = 0; i < NRUNS; ++i) {
158      assertTrue(tracker.isEmpty());
159
160      int count = 0;
161      while (count < NPROCEDURES) {
162        long procId = rand.nextLong();
163        if (procId < 1) {
164          continue;
165        }
166
167        tracker.setDeleted(procId, i % 2 == 0);
168        count++;
169      }
170
171      tracker.reset();
172    }
173  }
174
175  @Test
176  public void testLoad() {
177    final int MAX_PROCS = 1000;
178    final ProcedureStoreTracker tracker = new ProcedureStoreTracker();
179    for (int numProcs = 1; numProcs < MAX_PROCS; ++numProcs) {
180      for (int start = 1; start <= numProcs; ++start) {
181        assertTrue(tracker.isEmpty());
182
183        LOG.debug("loading " + numProcs + " procs from start=" + start);
184        for (int i = start; i <= numProcs; ++i) {
185          tracker.setDeleted(i, false);
186        }
187        for (int i = 1; i < start; ++i) {
188          tracker.setDeleted(i, false);
189        }
190
191        tracker.reset();
192      }
193    }
194  }
195
196  @Test
197  public void testDelete() {
198    final ProcedureStoreTracker tracker = new ProcedureStoreTracker();
199
200    long[] procIds = new long[] { 65, 1, 193 };
201    for (int i = 0; i < procIds.length; ++i) {
202      tracker.insert(procIds[i]);
203      tracker.dump();
204    }
205
206    for (int i = 0; i < (64 * 4); ++i) {
207      boolean hasProc = false;
208      for (int j = 0; j < procIds.length; ++j) {
209        if (procIds[j] == i) {
210          hasProc = true;
211          break;
212        }
213      }
214      if (hasProc) {
215        assertEquals(ProcedureStoreTracker.DeleteState.NO, tracker.isDeleted(i));
216      } else {
217        assertEquals("procId=" + i, ProcedureStoreTracker.DeleteState.YES, tracker.isDeleted(i));
218      }
219    }
220  }
221
222  @Test
223  public void testSetDeletedIfModified() {
224    final ProcedureStoreTracker tracker = new ProcedureStoreTracker();
225    final long[] procIds = new long[] { 1, 3, 7, 152, 512, 1024, 1025 };
226
227    // test single proc
228    for (int i = 0; i < procIds.length; ++i) {
229      tracker.insert(procIds[i]);
230    }
231    assertEquals(false, tracker.isEmpty());
232
233    for (int i = 0; i < procIds.length; ++i) {
234      tracker.setDeletedIfModified(procIds[i] - 1);
235      tracker.setDeletedIfModified(procIds[i]);
236      tracker.setDeletedIfModified(procIds[i] + 1);
237    }
238    assertEquals(true, tracker.isEmpty());
239
240    // test batch
241    tracker.reset();
242    for (int i = 0; i < procIds.length; ++i) {
243      tracker.insert(procIds[i]);
244    }
245    assertEquals(false, tracker.isEmpty());
246
247    tracker.setDeletedIfModified(procIds);
248    assertEquals(true, tracker.isEmpty());
249  }
250
251  @Test
252  public void testGetActiveProcIds() {
253    ProcedureStoreTracker tracker = new ProcedureStoreTracker();
254    for (int i = 0; i < 10000; i++) {
255      tracker.insert(i * 10);
256    }
257    for (int i = 0; i < 10000; i += 2) {
258      tracker.delete(i * 10);
259    }
260    long[] activeProcIds = tracker.getAllActiveProcIds();
261    assertEquals(5000, activeProcIds.length);
262    for (int i = 0; i < 5000; i++) {
263      assertEquals((2 * i + 1) * 10, activeProcIds[i]);
264    }
265  }
266
267  @Test
268  public void testGetActiveMinProcId() {
269    ProcedureStoreTracker tracker = new ProcedureStoreTracker();
270    assertEquals(Procedure.NO_PROC_ID, tracker.getActiveMinProcId());
271    for (int i = 100; i < 1000; i = 2 * i + 1) {
272      tracker.insert(i);
273    }
274    for (int i = 100; i < 1000; i = 2 * i + 1) {
275      assertEquals(i, tracker.getActiveMinProcId());
276      tracker.delete(i);
277    }
278    assertEquals(Procedure.NO_PROC_ID, tracker.getActiveMinProcId());
279  }
280}