本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.DatanodeInfo.isDecommissioned方法的典型用法代码示例。如果您正苦于以下问题：Java DatanodeInfo.isDecommissioned方法的具体用法？Java DatanodeInfo.isDecommissioned怎么用？Java DatanodeInfo.isDecommissioned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.protocol.DatanodeInfo的用法示例。
在下文中一共展示了DatanodeInfo.isDecommissioned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: shouldIgnore
import org.apache.hadoop.hdfs.protocol.DatanodeInfo; //导入方法依赖的package包/类
private boolean shouldIgnore(DatanodeInfo dn) {
// ignore decommissioned nodes
final boolean decommissioned = dn.isDecommissioned();
// ignore decommissioning nodes
final boolean decommissioning = dn.isDecommissionInProgress();
// ignore nodes in exclude list
final boolean excluded = Util.isExcluded(excludedNodes, dn);
// ignore nodes not in the include list (if include list is not empty)
final boolean notIncluded = !Util.isIncluded(includedNodes, dn);
if (decommissioned || decommissioning || excluded || notIncluded) {
if (LOG.isTraceEnabled()) {
LOG.trace("Excluding datanode " + dn + ": " + decommissioned + ", "
+ decommissioning + ", " + excluded + ", " + notIncluded);
}
return true;
}
return false;
}
示例2: compare
import org.apache.hadoop.hdfs.protocol.DatanodeInfo; //导入方法依赖的package包/类
@Override
public int compare(DatanodeInfo a, DatanodeInfo b) {
// Decommissioned nodes will still be moved to the end of the list
if (a.isDecommissioned()) {
return b.isDecommissioned() ? 0 : 1;
} else if (b.isDecommissioned()) {
return -1;
}
// Stale nodes will be moved behind the normal nodes
boolean aStale = a.isStale(staleInterval);
boolean bStale = b.isStale(staleInterval);
return aStale == bStale ? 0 : (aStale ? 1 : -1);
}
示例3: bestNode
import org.apache.hadoop.hdfs.protocol.DatanodeInfo; //导入方法依赖的package包/类
/**
* Choose the datanode to redirect the request. Note that the nodes have been
* sorted based on availability and network distances, thus it is sufficient
* to return the first element of the node here.
*/
private static DatanodeInfo bestNode(DatanodeInfo[] nodes,
HashSet<Node> excludes) throws IOException {
for (DatanodeInfo dn: nodes) {
if (false == dn.isDecommissioned() && false == excludes.contains(dn)) {
return dn;
}
}
throw new IOException("No active nodes contain this block");
}