Modifier and Type | Field and Description |
---|---|
static org.slf4j.Logger |
LOG |
Constructor and Description |
---|
DeadNodeDetector(String name,
org.apache.hadoop.conf.Configuration conf) |
Modifier and Type | Method and Description |
---|---|
void |
addNodeToDetect(org.apache.hadoop.hdfs.DFSInputStream dfsInputStream,
org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo)
Add datanode to suspectNodes and suspectAndDeadNodes.
|
Set<org.apache.hadoop.hdfs.protocol.DatanodeInfo> |
clearAndGetDetectedDeadNodes()
Remove dead node which is not used by any DFSInputStream from deadNodes.
|
Queue<org.apache.hadoop.hdfs.protocol.DatanodeInfo> |
getDeadNodesProbeQueue() |
Queue<org.apache.hadoop.hdfs.protocol.DatanodeInfo> |
getSuspectNodesProbeQueue() |
boolean |
isDeadNode(org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo) |
void |
removeNodeFromDeadNodeDetector(org.apache.hadoop.hdfs.DFSInputStream dfsInputStream,
org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo)
Remove suspect and dead node from suspectAndDeadNodes#dfsInputStream and
local deadNodes.
|
void |
run() |
public DeadNodeDetector(String name, org.apache.hadoop.conf.Configuration conf)
public boolean isDeadNode(org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo)
public Queue<org.apache.hadoop.hdfs.protocol.DatanodeInfo> getDeadNodesProbeQueue()
public Queue<org.apache.hadoop.hdfs.protocol.DatanodeInfo> getSuspectNodesProbeQueue()
public void addNodeToDetect(org.apache.hadoop.hdfs.DFSInputStream dfsInputStream, org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo)
public Set<org.apache.hadoop.hdfs.protocol.DatanodeInfo> clearAndGetDetectedDeadNodes()
public void removeNodeFromDeadNodeDetector(org.apache.hadoop.hdfs.DFSInputStream dfsInputStream, org.apache.hadoop.hdfs.protocol.DatanodeInfo datanodeInfo)
Copyright © 2008–2020 Apache Software Foundation. All rights reserved.