Package org.apache.hadoop.hbase.master

Examples of org.apache.hadoop.hbase.master.TableLockManager$ZKTableLockManager

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    assertNoErrors(hbck);

    ServerName mockName = ServerName.valueOf("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      @Override
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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    assertNoErrors(hbck);

    ServerName mockName = new ServerName("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      @Override
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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    assertNoErrors(hbck);

    ServerName mockName = ServerName.valueOf("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      @Override
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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    assertNoErrors(hbck);

    ServerName mockName = ServerName.valueOf("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      @Override
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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    assertNoErrors(hbck);

    ServerName mockName = new ServerName("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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        TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS);
  }

  public void checkTableLocks() throws IOException {
    TableLockManager tableLockManager
      = TableLockManager.createTableLockManager(zkWatcher.getConfiguration(), zkWatcher, null);
    final long expireDate = EnvironmentEdgeManager.currentTimeMillis() - expireTimeout;

    MetadataHandler handler = new MetadataHandler() {
      @Override
      public void handleMetadata(byte[] ownerMetadata) {
        ZooKeeperProtos.TableLock data = TableLockManager.fromBytes(ownerMetadata);
        String msg = "Table lock acquire attempt found:";
        if (data != null) {
           msg = msg +
              String.format("[tableName=%s, lockOwner=%s, threadId=%s, " +
              "purpose=%s, isShared=%s, createTime=%s]", Bytes.toString(data.getTableName().toByteArray()),
              ProtobufUtil.toServerName(data.getLockOwner()), data.getThreadId(),
              data.getPurpose(), data.getIsShared(), data.getCreateTime());
        }

        if (data.hasCreateTime() && data.getCreateTime() < expireDate) {
          errorReporter.reportError(HBaseFsck.ErrorReporter.ERROR_CODE.EXPIRED_TABLE_LOCK, msg);
        } else {
          errorReporter.print(msg);
        }
      }
    };

    tableLockManager.visitAllLocks(handler);
  }
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    tableLockManager.visitAllLocks(handler);
  }

  public void fixExpiredTableLocks() throws IOException {
    TableLockManager tableLockManager
      = TableLockManager.createTableLockManager(zkWatcher.getConfiguration(), zkWatcher, null);

    tableLockManager.reapAllExpiredLocks();
  }
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        TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS);
  }

  public void checkTableLocks() throws IOException {
    TableLockManager tableLockManager
      = TableLockManager.createTableLockManager(zkWatcher.getConfiguration(), zkWatcher, null);
    final long expireDate = EnvironmentEdgeManager.currentTime() - expireTimeout;

    MetadataHandler handler = new MetadataHandler() {
      @Override
      public void handleMetadata(byte[] ownerMetadata) {
        ZooKeeperProtos.TableLock data = TableLockManager.fromBytes(ownerMetadata);
        String msg = "Table lock acquire attempt found:";
        if (data != null) {
           msg = msg +
              String.format("[tableName=%s, lockOwner=%s, threadId=%s, " +
              "purpose=%s, isShared=%s, createTime=%s]", Bytes.toString(data.getTableName().toByteArray()),
              ProtobufUtil.toServerName(data.getLockOwner()), data.getThreadId(),
              data.getPurpose(), data.getIsShared(), data.getCreateTime());
        }

        if (data != null && data.hasCreateTime() && data.getCreateTime() < expireDate) {
          errorReporter.reportError(HBaseFsck.ErrorReporter.ERROR_CODE.EXPIRED_TABLE_LOCK, msg);
        } else {
          errorReporter.print(msg);
        }
      }
    };

    tableLockManager.visitAllLocks(handler);
  }
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    tableLockManager.visitAllLocks(handler);
  }

  public void fixExpiredTableLocks() throws IOException {
    TableLockManager tableLockManager
      = TableLockManager.createTableLockManager(zkWatcher.getConfiguration(), zkWatcher, null);

    tableLockManager.reapAllExpiredLocks();
  }
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    assertNoErrors(hbck);

    ServerName mockName = ServerName.valueOf("localhost", 60000, 1);

    // obtain one lock
    final TableLockManager tableLockManager = TableLockManager.createTableLockManager(conf, TEST_UTIL.getZooKeeperWatcher(), mockName);
    TableLock writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "testCheckTableLocks");
    writeLock.acquire();
    hbck = doFsck(conf, false);
    assertNoErrors(hbck); // should not have expired, no problems

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK});

    final CountDownLatch latch = new CountDownLatch(1);
    new Thread() {
      @Override
      public void run() {
        TableLock readLock = tableLockManager.writeLock(TableName.valueOf("foo"),
            "testCheckTableLocks");
        try {
          latch.countDown();
          readLock.acquire();
        } catch (IOException ex) {
          fail();
        } catch (IllegalStateException ex) {
          return; // expected, since this will be reaped under us.
        }
        fail("should not have come here");
      };
    }.start();

    latch.await(); // wait until thread starts
    Threads.sleep(300); // wait some more to ensure writeLock.acquire() is called

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK}); // still one expired, one not-expired

    edge.incrementTime(conf.getLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT,
        TableLockManager.DEFAULT_TABLE_LOCK_EXPIRE_TIMEOUT_MS)); // let table lock expire

    hbck = doFsck(conf, false);
    assertErrors(hbck, new ERROR_CODE[] {ERROR_CODE.EXPIRED_TABLE_LOCK, ERROR_CODE.EXPIRED_TABLE_LOCK}); // both are expired

    conf.setLong(TableLockManager.TABLE_LOCK_EXPIRE_TIMEOUT, 1); // reaping from ZKInterProcessWriteLock uses znode cTime,
                                                                 // which is not injectable through EnvironmentEdge
    Threads.sleep(10);
    hbck = doFsck(conf, true); // now fix both cases

    hbck = doFsck(conf, false);
    assertNoErrors(hbck);

    // ensure that locks are deleted
    writeLock = tableLockManager.writeLock(TableName.valueOf("foo"),
        "should acquire without blocking");
    writeLock.acquire(); // this should not block.
    writeLock.release(); // release for clean state
  }
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Related Classes of org.apache.hadoop.hbase.master.TableLockManager$ZKTableLockManager

  • org.apache.hadoop.hbase.InterProcessReadWriteLock
  • org.apache.hadoop.hbase.util.hbck.TableLockChecker
  • org.apache.hadoop.hbase.util.TestHBaseFsck
  • org.apache.hadoop.hbase.zookeeper.lock.ZKInterProcessReadWriteLock
  • org.apache.hadoop.hbase.exceptions.LockTimeoutException
  • java.io.InterruptedIOException
  • java.io.IOException
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