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HDFS-9895. Remove unnecessary conf cache from DataNode. Contributed by Xiaobing Zhou.

This commit is contained in:
Arpit Agarwal 2016-09-15 15:25:47 -07:00
parent fcbac00212
commit ec3ea18875
6 changed files with 130 additions and 117 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockScanner.java
View File

@ -165,6 +165,10 @@ public class BlockScanner {
}
}
public BlockScanner(DataNode datanode) {
this(datanode, datanode.getConf());
}
public BlockScanner(DataNode datanode, Configuration conf) {
this.datanode = datanode;
this.conf = new Conf(conf);

95
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
View File

@ -56,6 +56,7 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.IGNORE_SECURE_PORTS_FOR_TESTI
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_BP_READY_TIMEOUT_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_BP_READY_TIMEOUT_DEFAULT;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
@ -72,7 +73,6 @@ import java.util.concurrent.TimeUnit;
*/
@InterfaceAudience.Private
public class DNConf {
final Configuration conf;
final int socketTimeout;
final int socketWriteTimeout;
final int socketKeepaliveTimeout;
@ -120,73 +120,77 @@ public class DNConf {
private final int volFailuresTolerated;
private final int volsConfigured;
private final int maxDataLength;
private Configurable dn;
public DNConf(Configuration conf) {
this.conf = conf;
socketTimeout = conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY,
public DNConf(final Configurable dn) {
this.dn = dn;
socketTimeout = getConf().getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY,
HdfsConstants.READ_TIMEOUT);
socketWriteTimeout = conf.getInt(DFS_DATANODE_SOCKET_WRITE_TIMEOUT_KEY,
socketWriteTimeout = getConf().getInt(DFS_DATANODE_SOCKET_WRITE_TIMEOUT_KEY,
HdfsConstants.WRITE_TIMEOUT);
socketKeepaliveTimeout = conf.getInt(
socketKeepaliveTimeout = getConf().getInt(
DFSConfigKeys.DFS_DATANODE_SOCKET_REUSE_KEEPALIVE_KEY,
DFSConfigKeys.DFS_DATANODE_SOCKET_REUSE_KEEPALIVE_DEFAULT);
this.transferSocketSendBufferSize = conf.getInt(
this.transferSocketSendBufferSize = getConf().getInt(
DFSConfigKeys.DFS_DATANODE_TRANSFER_SOCKET_SEND_BUFFER_SIZE_KEY,
DFSConfigKeys.DFS_DATANODE_TRANSFER_SOCKET_SEND_BUFFER_SIZE_DEFAULT);
this.transferSocketRecvBufferSize = conf.getInt(
this.transferSocketRecvBufferSize = getConf().getInt(
DFSConfigKeys.DFS_DATANODE_TRANSFER_SOCKET_RECV_BUFFER_SIZE_KEY,
DFSConfigKeys.DFS_DATANODE_TRANSFER_SOCKET_RECV_BUFFER_SIZE_DEFAULT);
this.tcpNoDelay = conf.getBoolean(
this.tcpNoDelay = getConf().getBoolean(
DFSConfigKeys.DFS_DATA_TRANSFER_SERVER_TCPNODELAY,
DFSConfigKeys.DFS_DATA_TRANSFER_SERVER_TCPNODELAY_DEFAULT);
/* Based on results on different platforms, we might need set the default
* to false on some of them. */
transferToAllowed = conf.getBoolean(
transferToAllowed = getConf().getBoolean(
DFS_DATANODE_TRANSFERTO_ALLOWED_KEY,
DFS_DATANODE_TRANSFERTO_ALLOWED_DEFAULT);
writePacketSize = conf.getInt(DFS_CLIENT_WRITE_PACKET_SIZE_KEY,
writePacketSize = getConf().getInt(DFS_CLIENT_WRITE_PACKET_SIZE_KEY,
DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT);
readaheadLength = conf.getLong(
readaheadLength = getConf().getLong(
HdfsClientConfigKeys.DFS_DATANODE_READAHEAD_BYTES_KEY,
HdfsClientConfigKeys.DFS_DATANODE_READAHEAD_BYTES_DEFAULT);
maxDataLength = conf.getInt(DFSConfigKeys.IPC_MAXIMUM_DATA_LENGTH,
maxDataLength = getConf().getInt(DFSConfigKeys.IPC_MAXIMUM_DATA_LENGTH,
DFSConfigKeys.IPC_MAXIMUM_DATA_LENGTH_DEFAULT);
dropCacheBehindWrites = conf.getBoolean(
dropCacheBehindWrites = getConf().getBoolean(
DFSConfigKeys.DFS_DATANODE_DROP_CACHE_BEHIND_WRITES_KEY,
DFSConfigKeys.DFS_DATANODE_DROP_CACHE_BEHIND_WRITES_DEFAULT);
syncBehindWrites = conf.getBoolean(
syncBehindWrites = getConf().getBoolean(
DFSConfigKeys.DFS_DATANODE_SYNC_BEHIND_WRITES_KEY,
DFSConfigKeys.DFS_DATANODE_SYNC_BEHIND_WRITES_DEFAULT);
syncBehindWritesInBackground = conf.getBoolean(
syncBehindWritesInBackground = getConf().getBoolean(
DFSConfigKeys.DFS_DATANODE_SYNC_BEHIND_WRITES_IN_BACKGROUND_KEY,
DFSConfigKeys.DFS_DATANODE_SYNC_BEHIND_WRITES_IN_BACKGROUND_DEFAULT);
dropCacheBehindReads = conf.getBoolean(
dropCacheBehindReads = getConf().getBoolean(
DFSConfigKeys.DFS_DATANODE_DROP_CACHE_BEHIND_READS_KEY,
DFSConfigKeys.DFS_DATANODE_DROP_CACHE_BEHIND_READS_DEFAULT);
connectToDnViaHostname = conf.getBoolean(
connectToDnViaHostname = getConf().getBoolean(
DFSConfigKeys.DFS_DATANODE_USE_DN_HOSTNAME,
DFSConfigKeys.DFS_DATANODE_USE_DN_HOSTNAME_DEFAULT);
this.blockReportInterval = conf.getLong(DFS_BLOCKREPORT_INTERVAL_MSEC_KEY,
this.blockReportInterval = getConf().getLong(
DFS_BLOCKREPORT_INTERVAL_MSEC_KEY,
DFS_BLOCKREPORT_INTERVAL_MSEC_DEFAULT);
this.ibrInterval = conf.getLong(
this.ibrInterval = getConf().getLong(
DFSConfigKeys.DFS_BLOCKREPORT_INCREMENTAL_INTERVAL_MSEC_KEY,
DFSConfigKeys.DFS_BLOCKREPORT_INCREMENTAL_INTERVAL_MSEC_DEFAULT);
this.blockReportSplitThreshold = conf.getLong(DFS_BLOCKREPORT_SPLIT_THRESHOLD_KEY,
DFS_BLOCKREPORT_SPLIT_THRESHOLD_DEFAULT);
this.cacheReportInterval = conf.getLong(DFS_CACHEREPORT_INTERVAL_MSEC_KEY,
this.blockReportSplitThreshold = getConf().getLong(
DFS_BLOCKREPORT_SPLIT_THRESHOLD_KEY,
DFS_BLOCKREPORT_SPLIT_THRESHOLD_DEFAULT);
this.cacheReportInterval = getConf().getLong(
DFS_CACHEREPORT_INTERVAL_MSEC_KEY,
DFS_CACHEREPORT_INTERVAL_MSEC_DEFAULT);
this.dfsclientSlowIoWarningThresholdMs = conf.getLong(
this.dfsclientSlowIoWarningThresholdMs = getConf().getLong(
HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY,
HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_DEFAULT);
this.datanodeSlowIoWarningThresholdMs = conf.getLong(
this.datanodeSlowIoWarningThresholdMs = getConf().getLong(
DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_KEY,
DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT);
long initBRDelay = conf.getTimeDuration(
long initBRDelay = getConf().getTimeDuration(
DFS_BLOCKREPORT_INITIAL_DELAY_KEY,
DFS_BLOCKREPORT_INITIAL_DELAY_DEFAULT, TimeUnit.SECONDS) * 1000L;
if (initBRDelay >= blockReportInterval) {
@ -197,11 +201,11 @@ public class DNConf {
}
initialBlockReportDelayMs = initBRDelay;
heartBeatInterval = conf.getTimeDuration(DFS_HEARTBEAT_INTERVAL_KEY,
heartBeatInterval = getConf().getTimeDuration(DFS_HEARTBEAT_INTERVAL_KEY,
DFS_HEARTBEAT_INTERVAL_DEFAULT, TimeUnit.SECONDS) * 1000L;
long confLifelineIntervalMs =
conf.getLong(DFS_DATANODE_LIFELINE_INTERVAL_SECONDS_KEY,
3 * conf.getTimeDuration(DFS_HEARTBEAT_INTERVAL_KEY,
getConf().getLong(DFS_DATANODE_LIFELINE_INTERVAL_SECONDS_KEY,
3 * getConf().getTimeDuration(DFS_HEARTBEAT_INTERVAL_KEY,
DFS_HEARTBEAT_INTERVAL_DEFAULT, TimeUnit.SECONDS)) * 1000L;
if (confLifelineIntervalMs <= heartBeatInterval) {
confLifelineIntervalMs = 3 * heartBeatInterval;
@ -215,47 +219,50 @@ public class DNConf {
lifelineIntervalMs = confLifelineIntervalMs;
// do we need to sync block file contents to disk when blockfile is closed?
this.syncOnClose = conf.getBoolean(DFS_DATANODE_SYNCONCLOSE_KEY,
this.syncOnClose = getConf().getBoolean(DFS_DATANODE_SYNCONCLOSE_KEY,
DFS_DATANODE_SYNCONCLOSE_DEFAULT);
this.minimumNameNodeVersion = conf.get(DFS_DATANODE_MIN_SUPPORTED_NAMENODE_VERSION_KEY,
this.minimumNameNodeVersion = getConf().get(
DFS_DATANODE_MIN_SUPPORTED_NAMENODE_VERSION_KEY,
DFS_DATANODE_MIN_SUPPORTED_NAMENODE_VERSION_DEFAULT);
this.encryptDataTransfer = conf.getBoolean(DFS_ENCRYPT_DATA_TRANSFER_KEY,
this.encryptDataTransfer = getConf().getBoolean(
DFS_ENCRYPT_DATA_TRANSFER_KEY,
DFS_ENCRYPT_DATA_TRANSFER_DEFAULT);
this.encryptionAlgorithm = conf.get(DFS_DATA_ENCRYPTION_ALGORITHM_KEY);
this.trustedChannelResolver = TrustedChannelResolver.getInstance(conf);
this.encryptionAlgorithm = getConf().get(DFS_DATA_ENCRYPTION_ALGORITHM_KEY);
this.trustedChannelResolver = TrustedChannelResolver.getInstance(getConf());
this.saslPropsResolver = DataTransferSaslUtil.getSaslPropertiesResolver(
conf);
this.ignoreSecurePortsForTesting = conf.getBoolean(
getConf());
this.ignoreSecurePortsForTesting = getConf().getBoolean(
IGNORE_SECURE_PORTS_FOR_TESTING_KEY,
IGNORE_SECURE_PORTS_FOR_TESTING_DEFAULT);
this.xceiverStopTimeout = conf.getLong(
this.xceiverStopTimeout = getConf().getLong(
DFS_DATANODE_XCEIVER_STOP_TIMEOUT_MILLIS_KEY,
DFS_DATANODE_XCEIVER_STOP_TIMEOUT_MILLIS_DEFAULT);
this.maxLockedMemory = conf.getLong(
this.maxLockedMemory = getConf().getLong(
DFS_DATANODE_MAX_LOCKED_MEMORY_KEY,
DFS_DATANODE_MAX_LOCKED_MEMORY_DEFAULT);
this.restartReplicaExpiry = conf.getLong(
this.restartReplicaExpiry = getConf().getLong(
DFS_DATANODE_RESTART_REPLICA_EXPIRY_KEY,
DFS_DATANODE_RESTART_REPLICA_EXPIRY_DEFAULT) * 1000L;
this.allowNonLocalLazyPersist = conf.getBoolean(
this.allowNonLocalLazyPersist = getConf().getBoolean(
DFS_DATANODE_NON_LOCAL_LAZY_PERSIST,
DFS_DATANODE_NON_LOCAL_LAZY_PERSIST_DEFAULT);
this.bpReadyTimeout = conf.getTimeDuration(
this.bpReadyTimeout = getConf().getTimeDuration(
DFS_DATANODE_BP_READY_TIMEOUT_KEY,
DFS_DATANODE_BP_READY_TIMEOUT_DEFAULT, TimeUnit.SECONDS);
this.volFailuresTolerated =
conf.getInt(DFSConfigKeys.DFS_DATANODE_FAILED_VOLUMES_TOLERATED_KEY,
getConf().getInt(
DFSConfigKeys.DFS_DATANODE_FAILED_VOLUMES_TOLERATED_KEY,
DFSConfigKeys.DFS_DATANODE_FAILED_VOLUMES_TOLERATED_DEFAULT);
String[] dataDirs =
conf.getTrimmedStrings(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY);
getConf().getTrimmedStrings(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY);
this.volsConfigured = (dataDirs == null) ? 0 : dataDirs.length;
}
@ -270,7 +277,7 @@ public class DNConf {
* @return Configuration the configuration
*/
public Configuration getConf() {
return conf;
return this.dn.getConf();
}
/**

133
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
View File

@ -363,7 +363,6 @@ public class DataNode extends ReconfigurableBase
private SecureResources secureResources = null;
// dataDirs must be accessed while holding the DataNode lock.
private List<StorageLocation> dataDirs;
private Configuration conf;
private final String confVersion;
private final long maxNumberOfBlocksToLog;
private final boolean pipelineSupportECN;
@ -419,7 +418,7 @@ public class DataNode extends ReconfigurableBase
this.confVersion = null;
this.usersWithLocalPathAccess = null;
this.connectToDnViaHostname = false;
this.blockScanner = new BlockScanner(this, conf);
this.blockScanner = new BlockScanner(this, this.getConf());
this.pipelineSupportECN = false;
this.checkDiskErrorInterval =
ThreadLocalRandom.current().nextInt(5000, (int) (5000 * 1.25));
@ -438,7 +437,7 @@ public class DataNode extends ReconfigurableBase
this.tracer = createTracer(conf);
this.tracerConfigurationManager =
new TracerConfigurationManager(DATANODE_HTRACE_PREFIX, conf);
this.blockScanner = new BlockScanner(this, conf);
this.blockScanner = new BlockScanner(this);
this.lastDiskErrorCheck = 0;
this.maxNumberOfBlocksToLog = conf.getLong(DFS_MAX_NUM_BLOCKS_TO_LOG_KEY,
DFS_MAX_NUM_BLOCKS_TO_LOG_DEFAULT);
@ -487,7 +486,7 @@ public class DataNode extends ReconfigurableBase
try {
hostName = getHostName(conf);
LOG.info("Configured hostname is " + hostName);
startDataNode(conf, dataDirs, resources);
startDataNode(dataDirs, resources);
} catch (IOException ie) {
shutdown();
throw ie;
@ -527,7 +526,7 @@ public class DataNode extends ReconfigurableBase
try {
LOG.info("Reconfiguring " + property + " to " + newVal);
this.refreshVolumes(newVal);
return conf.get(DFS_DATANODE_DATA_DIR_KEY);
return getConf().get(DFS_DATANODE_DATA_DIR_KEY);
} catch (IOException e) {
rootException = e;
} finally {
@ -650,7 +649,7 @@ public class DataNode extends ReconfigurableBase
// Use the existing StorageLocation to detect storage type changes.
Map<String, StorageLocation> existingLocations = new HashMap<>();
for (StorageLocation loc : getStorageLocations(this.conf)) {
for (StorageLocation loc : getStorageLocations(getConf())) {
existingLocations.put(loc.getFile().getCanonicalPath(), loc);
}
@ -846,7 +845,7 @@ public class DataNode extends ReconfigurableBase
it.remove();
}
}
conf.set(DFS_DATANODE_DATA_DIR_KEY, Joiner.on(",").join(dataDirs));
getConf().set(DFS_DATANODE_DATA_DIR_KEY, Joiner.on(",").join(dataDirs));
if (ioe != null) {
throw ioe;
@ -904,14 +903,14 @@ public class DataNode extends ReconfigurableBase
* for information related to the different configuration options and
* Http Policy is decided.
*/
private void startInfoServer(Configuration conf)
private void startInfoServer()
throws IOException {
// SecureDataNodeStarter will bind the privileged port to the channel if
// the DN is started by JSVC, pass it along.
ServerSocketChannel httpServerChannel = secureResources != null ?
secureResources.getHttpServerChannel() : null;
this.httpServer = new DatanodeHttpServer(conf, this, httpServerChannel);
httpServer = new DatanodeHttpServer(getConf(), this, httpServerChannel);
httpServer.start();
if (httpServer.getHttpAddress() != null) {
infoPort = httpServer.getHttpAddress().getPort();
@ -933,24 +932,24 @@ public class DataNode extends ReconfigurableBase
}
}
private void initIpcServer(Configuration conf) throws IOException {
private void initIpcServer() throws IOException {
InetSocketAddress ipcAddr = NetUtils.createSocketAddr(
conf.getTrimmed(DFS_DATANODE_IPC_ADDRESS_KEY));
getConf().getTrimmed(DFS_DATANODE_IPC_ADDRESS_KEY));
// Add all the RPC protocols that the Datanode implements
RPC.setProtocolEngine(conf, ClientDatanodeProtocolPB.class,
RPC.setProtocolEngine(getConf(), ClientDatanodeProtocolPB.class,
ProtobufRpcEngine.class);
ClientDatanodeProtocolServerSideTranslatorPB clientDatanodeProtocolXlator =
new ClientDatanodeProtocolServerSideTranslatorPB(this);
BlockingService service = ClientDatanodeProtocolService
.newReflectiveBlockingService(clientDatanodeProtocolXlator);
ipcServer = new RPC.Builder(conf)
ipcServer = new RPC.Builder(getConf())
.setProtocol(ClientDatanodeProtocolPB.class)
.setInstance(service)
.setBindAddress(ipcAddr.getHostName())
.setPort(ipcAddr.getPort())
.setNumHandlers(
conf.getInt(DFS_DATANODE_HANDLER_COUNT_KEY,
getConf().getInt(DFS_DATANODE_HANDLER_COUNT_KEY,
DFS_DATANODE_HANDLER_COUNT_DEFAULT)).setVerbose(false)
.setSecretManager(blockPoolTokenSecretManager).build();
@ -958,29 +957,32 @@ public class DataNode extends ReconfigurableBase
= new ReconfigurationProtocolServerSideTranslatorPB(this);
service = ReconfigurationProtocolService
.newReflectiveBlockingService(reconfigurationProtocolXlator);
DFSUtil.addPBProtocol(conf, ReconfigurationProtocolPB.class, service,
DFSUtil.addPBProtocol(getConf(), ReconfigurationProtocolPB.class, service,
ipcServer);
InterDatanodeProtocolServerSideTranslatorPB interDatanodeProtocolXlator =
new InterDatanodeProtocolServerSideTranslatorPB(this);
service = InterDatanodeProtocolService
.newReflectiveBlockingService(interDatanodeProtocolXlator);
DFSUtil.addPBProtocol(conf, InterDatanodeProtocolPB.class, service,
DFSUtil.addPBProtocol(getConf(), InterDatanodeProtocolPB.class, service,
ipcServer);
TraceAdminProtocolServerSideTranslatorPB traceAdminXlator =
new TraceAdminProtocolServerSideTranslatorPB(this);
BlockingService traceAdminService = TraceAdminService
.newReflectiveBlockingService(traceAdminXlator);
DFSUtil.addPBProtocol(conf, TraceAdminProtocolPB.class, traceAdminService,
DFSUtil.addPBProtocol(
getConf(),
TraceAdminProtocolPB.class,
traceAdminService,
ipcServer);
LOG.info("Opened IPC server at " + ipcServer.getListenerAddress());
// set service-level authorization security policy
if (conf.getBoolean(
if (getConf().getBoolean(
CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, false)) {
ipcServer.refreshServiceAcl(conf, new HDFSPolicyProvider());
ipcServer.refreshServiceAcl(getConf(), new HDFSPolicyProvider());
}
}
@ -1071,17 +1073,17 @@ public class DataNode extends ReconfigurableBase
}
}
private void initDataXceiver(Configuration conf) throws IOException {
private void initDataXceiver() throws IOException {
// find free port or use privileged port provided
TcpPeerServer tcpPeerServer;
if (secureResources != null) {
tcpPeerServer = new TcpPeerServer(secureResources);
} else {
int backlogLength = conf.getInt(
int backlogLength = getConf().getInt(
CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_KEY,
CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT);
tcpPeerServer = new TcpPeerServer(dnConf.socketWriteTimeout,
DataNode.getStreamingAddr(conf), backlogLength);
DataNode.getStreamingAddr(getConf()), backlogLength);
}
if (dnConf.getTransferSocketRecvBufferSize() > 0) {
tcpPeerServer.setReceiveBufferSize(
@ -1090,24 +1092,27 @@ public class DataNode extends ReconfigurableBase
streamingAddr = tcpPeerServer.getStreamingAddr();
LOG.info("Opened streaming server at " + streamingAddr);
this.threadGroup = new ThreadGroup("dataXceiverServer");
xserver = new DataXceiverServer(tcpPeerServer, conf, this);
xserver = new DataXceiverServer(tcpPeerServer, getConf(), this);
this.dataXceiverServer = new Daemon(threadGroup, xserver);
this.threadGroup.setDaemon(true); // auto destroy when empty
if (conf.getBoolean(HdfsClientConfigKeys.Read.ShortCircuit.KEY,
HdfsClientConfigKeys.Read.ShortCircuit.DEFAULT) ||
conf.getBoolean(HdfsClientConfigKeys.DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC,
HdfsClientConfigKeys.DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC_DEFAULT)) {
if (getConf().getBoolean(
HdfsClientConfigKeys.Read.ShortCircuit.KEY,
HdfsClientConfigKeys.Read.ShortCircuit.DEFAULT) ||
getConf().getBoolean(
HdfsClientConfigKeys.DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC,
HdfsClientConfigKeys
.DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC_DEFAULT)) {
DomainPeerServer domainPeerServer =
getDomainPeerServer(conf, streamingAddr.getPort());
getDomainPeerServer(getConf(), streamingAddr.getPort());
if (domainPeerServer != null) {
this.localDataXceiverServer = new Daemon(threadGroup,
new DataXceiverServer(domainPeerServer, conf, this));
new DataXceiverServer(domainPeerServer, getConf(), this));
LOG.info("Listening on UNIX domain socket: " +
domainPeerServer.getBindPath());
}
}
this.shortCircuitRegistry = new ShortCircuitRegistry(conf);
this.shortCircuitRegistry = new ShortCircuitRegistry(getConf());
}
private static DomainPeerServer getDomainPeerServer(Configuration conf,
@ -1288,26 +1293,23 @@ public class DataNode extends ReconfigurableBase
/**
* This method starts the data node with the specified conf.
*
* @param conf - the configuration
* if conf's CONFIG_PROPERTY_SIMULATED property is set
* then a simulated storage based data node is created.
* If conf's CONFIG_PROPERTY_SIMULATED property is set
* then a simulated storage based data node is created.
*
* @param dataDirs - only for a non-simulated storage data node
* @throws IOException
*/
void startDataNode(Configuration conf,
List<StorageLocation> dataDirs,
void startDataNode(List<StorageLocation> dataDirectories,
SecureResources resources
) throws IOException {
// settings global for all BPs in the Data Node
this.secureResources = resources;
synchronized (this) {
this.dataDirs = dataDirs;
this.dataDirs = dataDirectories;
}
this.conf = conf;
this.dnConf = new DNConf(conf);
checkSecureConfig(dnConf, conf, resources);
this.dnConf = new DNConf(this);
checkSecureConfig(dnConf, getConf(), resources);
if (dnConf.maxLockedMemory > 0) {
if (!NativeIO.POSIX.getCacheManipulator().verifyCanMlock()) {
@ -1347,10 +1349,10 @@ public class DataNode extends ReconfigurableBase
// global DN settings
registerMXBean();
initDataXceiver(conf);
startInfoServer(conf);
initDataXceiver();
startInfoServer();
pauseMonitor = new JvmPauseMonitor();
pauseMonitor.init(conf);
pauseMonitor.init(getConf());
pauseMonitor.start();
// BlockPoolTokenSecretManager is required to create ipc server.
@ -1360,24 +1362,24 @@ public class DataNode extends ReconfigurableBase
dnUserName = UserGroupInformation.getCurrentUser().getShortUserName();
LOG.info("dnUserName = " + dnUserName);
LOG.info("supergroup = " + supergroup);
initIpcServer(conf);
initIpcServer();
metrics = DataNodeMetrics.create(conf, getDisplayName());
metrics = DataNodeMetrics.create(getConf(), getDisplayName());
metrics.getJvmMetrics().setPauseMonitor(pauseMonitor);
ecWorker = new ErasureCodingWorker(conf, this);
ecWorker = new ErasureCodingWorker(getConf(), this);
blockRecoveryWorker = new BlockRecoveryWorker(this);
blockPoolManager = new BlockPoolManager(this);
blockPoolManager.refreshNamenodes(conf);
blockPoolManager.refreshNamenodes(getConf());
// Create the ReadaheadPool from the DataNode context so we can
// exit without having to explicitly shutdown its thread pool.
readaheadPool = ReadaheadPool.getInstance();
saslClient = new SaslDataTransferClient(dnConf.conf,
saslClient = new SaslDataTransferClient(dnConf.getConf(),
dnConf.saslPropsResolver, dnConf.trustedChannelResolver);
saslServer = new SaslDataTransferServer(dnConf, blockPoolTokenSecretManager);
startMetricsLogger(conf);
startMetricsLogger();
}
/**
@ -1592,10 +1594,10 @@ public class DataNode extends ReconfigurableBase
// failures.
checkDiskError();
data.addBlockPool(nsInfo.getBlockPoolID(), conf);
data.addBlockPool(nsInfo.getBlockPoolID(), getConf());
blockScanner.enableBlockPoolId(bpos.getBlockPoolId());
initDirectoryScanner(conf);
initDiskBalancer(data, conf);
initDirectoryScanner(getConf());
initDiskBalancer(data, getConf());
}
List<BPOfferService> getAllBpOs() {
@ -1616,10 +1618,10 @@ public class DataNode extends ReconfigurableBase
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
= FsDatasetSpi.Factory.getFactory(conf);
= FsDatasetSpi.Factory.getFactory(getConf());
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
final StartupOption startOpt = getStartupOption(getConf());
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
@ -1639,7 +1641,7 @@ public class DataNode extends ReconfigurableBase
synchronized(this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
data = factory.newInstance(this, storage, getConf());
}
}
}
@ -1720,7 +1722,7 @@ public class DataNode extends ReconfigurableBase
*/
DatanodeProtocolClientSideTranslatorPB connectToNN(
InetSocketAddress nnAddr) throws IOException {
return new DatanodeProtocolClientSideTranslatorPB(nnAddr, conf);
return new DatanodeProtocolClientSideTranslatorPB(nnAddr, getConf());
}
/**
@ -1733,7 +1735,7 @@ public class DataNode extends ReconfigurableBase
DatanodeLifelineProtocolClientSideTranslatorPB connectToLifelineNN(
InetSocketAddress lifelineNnAddr) throws IOException {
return new DatanodeLifelineProtocolClientSideTranslatorPB(lifelineNnAddr,
conf);
getConf());
}
public static InterDatanodeProtocol createInterDataNodeProtocolProxy(
@ -2388,7 +2390,7 @@ public class DataNode extends ReconfigurableBase
unbufIn = saslStreams.in;
out = new DataOutputStream(new BufferedOutputStream(unbufOut,
DFSUtilClient.getSmallBufferSize(conf)));
DFSUtilClient.getSmallBufferSize(getConf())));
in = new DataInputStream(unbufIn);
blockSender = new BlockSender(b, 0, b.getNumBytes(),
false, false, true, DataNode.this, null, cachingStrategy);
@ -2508,7 +2510,7 @@ public class DataNode extends ReconfigurableBase
}
ipcServer.setTracer(tracer);
ipcServer.start();
startPlugins(conf);
startPlugins(getConf());
}
/**
@ -3051,8 +3053,8 @@ public class DataNode extends ReconfigurableBase
@Override // ClientDatanodeProtocol
public void refreshNamenodes() throws IOException {
checkSuperuserPrivilege();
conf = new Configuration();
refreshNamenodes(conf);
setConf(new Configuration());
refreshNamenodes(getConf());
}
@Override // ClientDatanodeProtocol
@ -3327,8 +3329,8 @@ public class DataNode extends ReconfigurableBase
Token<BlockTokenIdentifier> blockToken)
throws IOException {
return DFSUtilClient.connectToDN(datanodeID, timeout, conf, saslClient,
NetUtils.getDefaultSocketFactory(getConf()), false,
return DFSUtilClient.connectToDN(datanodeID, timeout, getConf(),
saslClient, NetUtils.getDefaultSocketFactory(getConf()), false,
getDataEncryptionKeyFactoryForBlock(block), blockToken);
}
@ -3341,7 +3343,7 @@ public class DataNode extends ReconfigurableBase
final int numOobTypes = oobEnd - oobStart + 1;
oobTimeouts = new long[numOobTypes];
final String[] ele = conf.get(DFS_DATANODE_OOB_TIMEOUT_KEY,
final String[] ele = getConf().get(DFS_DATANODE_OOB_TIMEOUT_KEY,
DFS_DATANODE_OOB_TIMEOUT_DEFAULT).split(",");
for (int i = 0; i < numOobTypes; i++) {
oobTimeouts[i] = (i < ele.length) ? Long.parseLong(ele[i]) : 0;
@ -3367,10 +3369,9 @@ public class DataNode extends ReconfigurableBase
* Start a timer to periodically write DataNode metrics to the log file. This
* behavior can be disabled by configuration.
*
* @param metricConf
*/
protected void startMetricsLogger(Configuration metricConf) {
long metricsLoggerPeriodSec = metricConf.getInt(
protected void startMetricsLogger() {
long metricsLoggerPeriodSec = getConf().getInt(
DFS_DATANODE_METRICS_LOGGER_PERIOD_SECONDS_KEY,
DFS_DATANODE_METRICS_LOGGER_PERIOD_SECONDS_DEFAULT);

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBPOfferService.java
View File

@ -116,7 +116,7 @@ public class TestBPOfferService {
File dnDataDir = new File(new File(TEST_BUILD_DATA, "dfs"), "data");
conf.set(DFS_DATANODE_DATA_DIR_KEY, dnDataDir.toURI().toString());
Mockito.doReturn(conf).when(mockDn).getConf();
Mockito.doReturn(new DNConf(conf)).when(mockDn).getDnConf();
Mockito.doReturn(new DNConf(mockDn)).when(mockDn).getDnConf();
Mockito.doReturn(DataNodeMetrics.create(conf, "fake dn"))
.when(mockDn).getMetrics();
@ -338,7 +338,7 @@ public class TestBPOfferService {
new File(TEST_BUILD_DATA, "testBPInitErrorHandling"), "data");
conf.set(DFS_DATANODE_DATA_DIR_KEY, dnDataDir.toURI().toString());
Mockito.doReturn(conf).when(mockDn).getConf();
Mockito.doReturn(new DNConf(conf)).when(mockDn).getDnConf();
Mockito.doReturn(new DNConf(mockDn)).when(mockDn).getDnConf();
Mockito.doReturn(DataNodeMetrics.create(conf, "fake dn")).
when(mockDn).getMetrics();
final AtomicInteger count = new AtomicInteger();

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataXceiverLazyPersistHint.java
View File

@ -171,12 +171,13 @@ public class TestDataXceiverLazyPersistHint {
conf.setBoolean(
DFS_DATANODE_NON_LOCAL_LAZY_PERSIST,
nonLocalLazyPersist == NonLocalLazyPersist.ALLOWED);
DNConf dnConf = new DNConf(conf);
DatanodeRegistration mockDnReg = mock(DatanodeRegistration.class);
DataNodeMetrics mockMetrics = mock(DataNodeMetrics.class);
DataNode mockDn = mock(DataNode.class);
when(mockDn.getDnConf()).thenReturn(dnConf);
when(mockDn.getConf()).thenReturn(conf);
DNConf dnConf = new DNConf(mockDn);
when(mockDn.getDnConf()).thenReturn(dnConf);
when(mockDn.getMetrics()).thenReturn(mockMetrics);
when(mockDn.getDNRegistrationForBP("Dummy-pool")).thenReturn(mockDnReg);
return mockDn;

6
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java
View File

@ -163,11 +163,11 @@ public class TestFsDatasetImpl {
storage = mock(DataStorage.class);
this.conf = new Configuration();
this.conf.setLong(DFS_DATANODE_SCAN_PERIOD_HOURS_KEY, 0);
final DNConf dnConf = new DNConf(conf);
when(datanode.getConf()).thenReturn(conf);
final DNConf dnConf = new DNConf(datanode);
when(datanode.getDnConf()).thenReturn(dnConf);
final BlockScanner disabledBlockScanner = new BlockScanner(datanode, conf);
final BlockScanner disabledBlockScanner = new BlockScanner(datanode);
when(datanode.getBlockScanner()).thenReturn(disabledBlockScanner);
final ShortCircuitRegistry shortCircuitRegistry =
new ShortCircuitRegistry(conf);
@ -326,7 +326,7 @@ public class TestFsDatasetImpl {
RoundRobinVolumeChoosingPolicy<FsVolumeImpl> blockChooser =
new RoundRobinVolumeChoosingPolicy<>();
conf.setLong(DFSConfigKeys.DFS_DATANODE_SCAN_PERIOD_HOURS_KEY, -1);
final BlockScanner blockScanner = new BlockScanner(datanode, conf);
final BlockScanner blockScanner = new BlockScanner(datanode);
final FsVolumeList volumeList = new FsVolumeList(
Collections.<VolumeFailureInfo>emptyList(), blockScanner, blockChooser);
final List<FsVolumeImpl> oldVolumes = new ArrayList<>();