| Package | Description |
|---|---|
| org.apache.hadoop.hdfs.protocolPB |
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.
|
| org.apache.hadoop.hdfs.server.namenode | |
| org.apache.hadoop.hdfs.server.protocol |
| Modifier and Type | Method | Description |
|---|---|---|
HeartbeatResponse |
DatanodeProtocolClientSideTranslatorPB.sendHeartbeat(DatanodeRegistration registration,
org.apache.hadoop.hdfs.server.protocol.StorageReport[] reports,
long cacheCapacity,
long cacheUsed,
int xmitsInProgress,
int xceiverCount,
int failedVolumes,
VolumeFailureSummary volumeFailureSummary,
boolean requestFullBlockReportLease,
org.apache.hadoop.hdfs.server.protocol.SlowPeerReports slowPeers,
org.apache.hadoop.hdfs.server.protocol.SlowDiskReports slowDisks) |
| Modifier and Type | Method | Description |
|---|---|---|
HeartbeatResponse |
NameNodeRpcServer.sendHeartbeat(DatanodeRegistration nodeReg,
org.apache.hadoop.hdfs.server.protocol.StorageReport[] report,
long dnCacheCapacity,
long dnCacheUsed,
int xmitsInProgress,
int xceiverCount,
int failedVolumes,
VolumeFailureSummary volumeFailureSummary,
boolean requestFullBlockReportLease,
org.apache.hadoop.hdfs.server.protocol.SlowPeerReports slowPeers,
org.apache.hadoop.hdfs.server.protocol.SlowDiskReports slowDisks) |
| Modifier and Type | Method | Description |
|---|---|---|
HeartbeatResponse |
DatanodeProtocol.sendHeartbeat(DatanodeRegistration registration,
org.apache.hadoop.hdfs.server.protocol.StorageReport[] reports,
long dnCacheCapacity,
long dnCacheUsed,
int xmitsInProgress,
int xceiverCount,
int failedVolumes,
VolumeFailureSummary volumeFailureSummary,
boolean requestFullBlockReportLease,
org.apache.hadoop.hdfs.server.protocol.SlowPeerReports slowPeers,
org.apache.hadoop.hdfs.server.protocol.SlowDiskReports slowDisks) |
sendHeartbeat() tells the NameNode that the DataNode is still
alive and well.
|
Copyright © 2008–2025 Apache Software Foundation. All rights reserved.