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HDFS-13735. Make QJM HTTP URL connection timeout configurable. Contributed by Chao Sun.

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This commit is contained in:
Chen Liang 2018-08-09 10:11:47 -07:00
parent d352f167eb
commit 5326a7906d
3 changed files with 32 additions and 2 deletions
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5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -27,6 +27,7 @@
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyRackFaultTolerant;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskReplicaLruTracker;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReservedSpaceCalculator;
import org.apache.hadoop.hdfs.web.URLConnectionFactory;
import org.apache.hadoop.http.HttpConfig;
/**
@ -1033,6 +1034,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_QJOURNAL_GET_JOURNAL_STATE_TIMEOUT_KEY = "dfs.qjournal.get-journal-state.timeout.ms";
public static final String DFS_QJOURNAL_NEW_EPOCH_TIMEOUT_KEY = "dfs.qjournal.new-epoch.timeout.ms";
public static final String DFS_QJOURNAL_WRITE_TXNS_TIMEOUT_KEY = "dfs.qjournal.write-txns.timeout.ms";
public static final String DFS_QJOURNAL_HTTP_OPEN_TIMEOUT_KEY = "dfs.qjournal.http.open.timeout.ms";
public static final String DFS_QJOURNAL_HTTP_READ_TIMEOUT_KEY = "dfs.qjournal.http.read.timeout.ms";
public static final int DFS_QJOURNAL_START_SEGMENT_TIMEOUT_DEFAULT = 20000;
public static final int DFS_QJOURNAL_PREPARE_RECOVERY_TIMEOUT_DEFAULT = 120000;
public static final int DFS_QJOURNAL_ACCEPT_RECOVERY_TIMEOUT_DEFAULT = 120000;
@ -1041,6 +1044,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final int DFS_QJOURNAL_GET_JOURNAL_STATE_TIMEOUT_DEFAULT = 120000;
public static final int DFS_QJOURNAL_NEW_EPOCH_TIMEOUT_DEFAULT = 120000;
public static final int DFS_QJOURNAL_WRITE_TXNS_TIMEOUT_DEFAULT = 20000;
public static final int DFS_QJOURNAL_HTTP_OPEN_TIMEOUT_DEFAULT = URLConnectionFactory.DEFAULT_SOCKET_TIMEOUT;
public static final int DFS_QJOURNAL_HTTP_READ_TIMEOUT_DEFAULT = URLConnectionFactory.DEFAULT_SOCKET_TIMEOUT;
public static final String DFS_MAX_NUM_BLOCKS_TO_LOG_KEY = "dfs.namenode.max-num-blocks-to-log";
public static final long DFS_MAX_NUM_BLOCKS_TO_LOG_DEFAULT = 1000l;

11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java
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@ -124,8 +124,6 @@ public QuorumJournalManager(Configuration conf,
this.nsInfo = nsInfo;
this.nameServiceId = nameServiceId;
this.loggers = new AsyncLoggerSet(createLoggers(loggerFactory));
this.connectionFactory = URLConnectionFactory
.newDefaultURLConnectionFactory(conf);
// Configure timeouts.
this.startSegmentTimeoutMs = conf.getInt(
@ -156,6 +154,15 @@ public QuorumJournalManager(Configuration conf,
.DFS_QJM_OPERATIONS_TIMEOUT,
DFSConfigKeys.DFS_QJM_OPERATIONS_TIMEOUT_DEFAULT, TimeUnit
.MILLISECONDS);
int connectTimeoutMs = conf.getInt(
DFSConfigKeys.DFS_QJOURNAL_HTTP_OPEN_TIMEOUT_KEY,
DFSConfigKeys.DFS_QJOURNAL_HTTP_OPEN_TIMEOUT_DEFAULT);
int readTimeoutMs = conf.getInt(
DFSConfigKeys.DFS_QJOURNAL_HTTP_READ_TIMEOUT_KEY,
DFSConfigKeys.DFS_QJOURNAL_HTTP_READ_TIMEOUT_DEFAULT);
this.connectionFactory = URLConnectionFactory
.newDefaultURLConnectionFactory(connectTimeoutMs, readTimeoutMs, conf);
}
protected List<AsyncLogger> createLoggers(

18
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@ -4582,6 +4582,24 @@
</description>
</property>
<property>
<name>dfs.qjournal.http.open.timeout.ms</name>
<value>60000</value>
<description>
Timeout in milliseconds when open a new HTTP connection to remote
journals.
</description>
</property>
<property>
<name>dfs.qjournal.http.read.timeout.ms</name>
<value>60000</value>
<description>
Timeout in milliseconds when reading from a HTTP connection from remote
journals.
</description>
</property>
<property>
<name>dfs.quota.by.storage.type.enabled</name>
<value>true</value>