Package org.apache.hadoop.hdfs.server.namenode.FSNamesystem

Examples of org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas.liveReplicas()

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      int expectedReplicasDelta) {
    namesystem.writeLock();
    try {
      NumberReplicas repl = countNodes(block);
      int curExpectedReplicas = getReplication(block);
      if (isNeededReplication(block, curExpectedReplicas, repl.liveReplicas())) {
        neededReplications.update(block, repl.liveReplicas(), repl
            .decommissionedReplicas(), curExpectedReplicas, curReplicasDelta,
            expectedReplicasDelta);
      } else {
        int oldReplicas = repl.liveReplicas()-curReplicasDelta;
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    namesystem.writeLock();
    try {
      NumberReplicas repl = countNodes(block);
      int curExpectedReplicas = getReplication(block);
      if (isNeededReplication(block, curExpectedReplicas, repl.liveReplicas())) {
        neededReplications.update(block, repl.liveReplicas(), repl
            .decommissionedReplicas(), curExpectedReplicas, curReplicasDelta,
            expectedReplicasDelta);
      } else {
        int oldReplicas = repl.liveReplicas()-curReplicasDelta;
        int oldExpectedReplicas = curExpectedReplicas-expectedReplicasDelta;
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      if (isNeededReplication(block, curExpectedReplicas, repl.liveReplicas())) {
        neededReplications.update(block, repl.liveReplicas(), repl
            .decommissionedReplicas(), curExpectedReplicas, curReplicasDelta,
            expectedReplicasDelta);
      } else {
        int oldReplicas = repl.liveReplicas()-curReplicasDelta;
        int oldExpectedReplicas = curExpectedReplicas-expectedReplicasDelta;
        neededReplications.remove(block, oldReplicas, repl.decommissionedReplicas(),
                                  oldExpectedReplicas);
      }
    } finally {
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  }

  void checkReplication(Block block, int numExpectedReplicas) {
    // filter out containingNodes that are marked for decommission.
    NumberReplicas number = countNodes(block);
    if (isNeededReplication(block, numExpectedReplicas, number.liveReplicas())) {
      neededReplications.add(block,
                             number.liveReplicas(),
                             number.decommissionedReplicas,
                             numExpectedReplicas);
    }
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  void checkReplication(Block block, int numExpectedReplicas) {
    // filter out containingNodes that are marked for decommission.
    NumberReplicas number = countNodes(block);
    if (isNeededReplication(block, numExpectedReplicas, number.liveReplicas())) {
      neededReplications.add(block,
                             number.liveReplicas(),
                             number.decommissionedReplicas,
                             numExpectedReplicas);
    }
  }
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         namesystem.metaSave("TestLostDataNodeAfterDeleteExcessReplica.meta");
       } finally {
         namesystem.readUnlock();
       }
       Thread.sleep(1000);
       LOG.info("live: " + num.liveReplicas());
      } while (num.liveReplicas() != 3 &&
          System.currentTimeMillis() - startTime < 30000);
      assertEquals("Live Replicas doesn't reach 3", num.liveReplicas(), 3);
    } finally {
      cluster.shutdown();
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       } finally {
         namesystem.readUnlock();
       }
       Thread.sleep(1000);
       LOG.info("live: " + num.liveReplicas());
      } while (num.liveReplicas() != 3 &&
          System.currentTimeMillis() - startTime < 30000);
      assertEquals("Live Replicas doesn't reach 3", num.liveReplicas(), 3);
    } finally {
      cluster.shutdown();
    }
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       }
       Thread.sleep(1000);
       LOG.info("live: " + num.liveReplicas());
      } while (num.liveReplicas() != 3 &&
          System.currentTimeMillis() - startTime < 30000);
      assertEquals("Live Replicas doesn't reach 3", num.liveReplicas(), 3);
    } finally {
      cluster.shutdown();
    }
  }
 
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         namesystem.metaSave("TestDecommissionDataNodeAfterDeleteExcessReplica.meta");
       } finally {
         namesystem.readUnlock();
       }
       Thread.sleep(1000);
       LOG.info("live: " + num.liveReplicas() + "Decom: " + num.decommissionedReplicas());
      } while (num.liveReplicas() != 3 &&
          System.currentTimeMillis() - startTime < 30000);
      assertEquals("Live Replicas doesn't reach 3", num.liveReplicas(), 3);
    } finally {
      cluster.shutdown();
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       } finally {
         namesystem.readUnlock();
       }
       Thread.sleep(1000);
       LOG.info("live: " + num.liveReplicas() + "Decom: " + num.decommissionedReplicas());
      } while (num.liveReplicas() != 3 &&
          System.currentTimeMillis() - startTime < 30000);
      assertEquals("Live Replicas doesn't reach 3", num.liveReplicas(), 3);
    } finally {
      cluster.shutdown();
    }
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