本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas.excessReplicas方法的典型用法代码示例。如果您正苦于以下问题：Java NumberReplicas.excessReplicas方法的具体用法？Java NumberReplicas.excessReplicas怎么用？Java NumberReplicas.excessReplicas使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas的用法示例。
在下文中一共展示了NumberReplicas.excessReplicas方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: waitForExcessReplicasToChange
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas; //导入方法依赖的package包/类
private void waitForExcessReplicasToChange(
FSNamesystem namesystem,
Block block,
int newReplicas) throws Exception
{
NumberReplicas num;
long startChecking = System.currentTimeMillis();
do {
LOG.info("Waiting for a replica to become excess");
namesystem.readLock();
try {
num = namesystem.countNodes(block);
} finally {
namesystem.readUnlock();
}
Thread.sleep(100);
if (System.currentTimeMillis() - startChecking > 30000) {
fail("Timed out waiting for excess replicas to change");
}
} while (num.excessReplicas() != newReplicas);
}
示例2: waitForExcessReplicasToBeDeleted
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas; //导入方法依赖的package包/类
private void waitForExcessReplicasToBeDeleted(FSNamesystem namesystem,
Block block, DataNode dn) throws Exception {
NumberReplicas num;
long startChecking = System.currentTimeMillis();
do {
LOG.info("Waiting for the excess replica to be deleted");
dn.scheduleNSBlockReceivedAndDeleted(0);
namesystem.readLock();
try {
num = namesystem.countNodes(block);
} finally {
namesystem.readUnlock();
}
Thread.sleep(100);
if (System.currentTimeMillis() - startChecking > 30000) {
fail("Timed out waiting for excess replicas to be deleted");
}
} while (num.excessReplicas() != 0);
}
示例3: waitForExcessReplicasToChange
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas; //导入方法依赖的package包/类
private void waitForExcessReplicasToChange(
FSNamesystem namesystem,
Block block,
int newReplicas) throws Exception
{
NumberReplicas num;
long startChecking = System.currentTimeMillis();
do {
namesystem.readLock();
try {
num = namesystem.countNodes(block);
LOG.info("We have " + num.excessReplicas() + " excess replica");
} finally {
namesystem.readUnlock();
}
Thread.sleep(100);
if (System.currentTimeMillis() - startChecking > 30000) {
namesystem.metaSave("TestNodeCount.meta");
LOG.warn("Dumping meta into log directory");
fail("Timed out waiting for excess replicas to change");
}
} while (num.excessReplicas() != newReplicas);
}
示例4: waitForExcessReplicasToChange
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas; //导入方法依赖的package包/类
private void waitForExcessReplicasToChange(
FSNamesystem namesystem,
Block block,
int newReplicas) throws Exception
{
NumberReplicas num;
long startChecking = System.currentTimeMillis();
do {
namesystem.readLock();
try {
num = namesystem.countNodes(block);
} finally {
namesystem.readUnlock();
}
Thread.sleep(100);
if (System.currentTimeMillis() - startChecking > 30000) {
fail("Timed out waiting for excess replicas to change");
}
} while (num.excessReplicas() != newReplicas);
}