本文整理汇总了Java中org.apache.hadoop.hdfs.util.LightWeightLinkedSet.remove方法的典型用法代码示例。如果您正苦于以下问题：Java LightWeightLinkedSet.remove方法的具体用法？Java LightWeightLinkedSet.remove怎么用？Java LightWeightLinkedSet.remove使用的例子？那么, 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.util.LightWeightLinkedSet的用法示例。
在下文中一共展示了LightWeightLinkedSet.remove方法的3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: removeStoredBlock
import org.apache.hadoop.hdfs.util.LightWeightLinkedSet; //导入方法依赖的package包/类
/**
* Modify (block-->datanode) map. Possibly generate replication tasks, if the
* removed block is still valid.
*/
public void removeStoredBlock(Block block, DatanodeDescriptor node) {
blockLog.debug("BLOCK* removeStoredBlock: {} from {}", block, node);
assert (namesystem.hasWriteLock());
{
if (!blocksMap.removeNode(block, node)) {
blockLog.debug("BLOCK* removeStoredBlock: {} has already been" +
" removed from node {}", block, node);
return;
}
//
// It's possible that the block was removed because of a datanode
// failure. If the block is still valid, check if replication is
// necessary. In that case, put block on a possibly-will-
// be-replicated list.
//
BlockCollection bc = blocksMap.getBlockCollection(block);
if (bc != null) {
namesystem.decrementSafeBlockCount(block);
updateNeededReplications(block, -1, 0);
}
//
// We've removed a block from a node, so it's definitely no longer
// in "excess" there.
//
LightWeightLinkedSet<Block> excessBlocks = excessReplicateMap.get(node
.getDatanodeUuid());
if (excessBlocks != null) {
if (excessBlocks.remove(block)) {
excessBlocksCount.decrementAndGet();
blockLog.debug("BLOCK* removeStoredBlock: {} is removed from " +
"excessBlocks", block);
if (excessBlocks.size() == 0) {
excessReplicateMap.remove(node.getDatanodeUuid());
}
}
}
// Remove the replica from corruptReplicas
corruptReplicas.removeFromCorruptReplicasMap(block, node);
}
}
示例2: removeStoredBlock
import org.apache.hadoop.hdfs.util.LightWeightLinkedSet; //导入方法依赖的package包/类
/**
* Modify (block-->datanode) map. Possibly generate replication tasks, if the
* removed block is still valid.
*/
public void removeStoredBlock(Block block, DatanodeDescriptor node) {
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " from " + node);
}
assert (namesystem.hasWriteLock());
{
if (!blocksMap.removeNode(block, node)) {
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " has already been removed from node " + node);
}
return;
}
//
// It's possible that the block was removed because of a datanode
// failure. If the block is still valid, check if replication is
// necessary. In that case, put block on a possibly-will-
// be-replicated list.
//
BlockCollection bc = blocksMap.getBlockCollection(block);
if (bc != null) {
namesystem.decrementSafeBlockCount(block);
updateNeededReplications(block, -1, 0);
}
//
// We've removed a block from a node, so it's definitely no longer
// in "excess" there.
//
LightWeightLinkedSet<Block> excessBlocks = excessReplicateMap.get(node
.getStorageID());
if (excessBlocks != null) {
if (excessBlocks.remove(block)) {
excessBlocksCount.decrementAndGet();
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " is removed from excessBlocks");
}
if (excessBlocks.size() == 0) {
excessReplicateMap.remove(node.getStorageID());
}
}
}
// Remove the replica from corruptReplicas
corruptReplicas.removeFromCorruptReplicasMap(block, node);
}
}
示例3: removeStoredBlock
import org.apache.hadoop.hdfs.util.LightWeightLinkedSet; //导入方法依赖的package包/类
/**
* Modify (block-->datanode) map. Possibly generate replication tasks, if the
* removed block is still valid.
*/
public void removeStoredBlock(Block block, DatanodeDescriptor node) {
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " from " + node);
}
assert (namesystem.hasWriteLock());
{
if (!blocksMap.removeNode(block, node)) {
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " has already been removed from node " + node);
}
return;
}
//
// It's possible that the block was removed because of a datanode
// failure. If the block is still valid, check if replication is
// necessary. In that case, put block on a possibly-will-
// be-replicated list.
//
BlockCollection bc = blocksMap.getBlockCollection(block);
if (bc != null) {
namesystem.decrementSafeBlockCount(block);
updateNeededReplications(block, -1, 0);
}
//
// We've removed a block from a node, so it's definitely no longer
// in "excess" there.
//
LightWeightLinkedSet<Block> excessBlocks = excessReplicateMap.get(node
.getDatanodeUuid());
if (excessBlocks != null) {
if (excessBlocks.remove(block)) {
excessBlocksCount.decrementAndGet();
if(blockLog.isDebugEnabled()) {
blockLog.debug("BLOCK* removeStoredBlock: "
+ block + " is removed from excessBlocks");
}
if (excessBlocks.size() == 0) {
excessReplicateMap.remove(node.getDatanodeUuid());
}
}
}
// Remove the replica from corruptReplicas
corruptReplicas.removeFromCorruptReplicasMap(block, node);
}
}