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HDFS-5219. Add configuration keys for retry policy in WebHDFSFileSystem. Contributed by Haohui Mai.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1524498 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2013-09-18 17:29:27 +00:00
parent c09f00771e
commit f278a491dc
4 changed files with 24 additions and 5 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -470,6 +470,9 @@ Release 2.1.1-beta - 2013-09-23
HDFS-5192. NameNode may fail to start when
dfs.client.test.drop.namenode.response.number is set. (jing9)
HDFS-5219. Add configuration keys for retry policy in WebHDFSFileSystem.
(Haohui Mai via jing9)
Release 2.1.0-beta - 2013-08-22
INCOMPATIBLE CHANGES

12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -513,4 +513,16 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
// Timeout to wait for block receiver and responder thread to stop
public static final String DFS_DATANODE_XCEIVER_STOP_TIMEOUT_MILLIS_KEY = "dfs.datanode.xceiver.stop.timeout.millis";
public static final long DFS_DATANODE_XCEIVER_STOP_TIMEOUT_MILLIS_DEFAULT = 60000;
// WebHDFS retry policy
public static final String DFS_HTTP_CLIENT_RETRY_POLICY_ENABLED_KEY = "dfs.http.client.retry.policy.enabled";
public static final boolean DFS_HTTP_CLIENT_RETRY_POLICY_ENABLED_DEFAULT = false;
public static final String DFS_HTTP_CLIENT_RETRY_POLICY_SPEC_KEY = "dfs.http.client.retry.policy.spec";
public static final String DFS_HTTP_CLIENT_RETRY_POLICY_SPEC_DEFAULT = "10000,6,60000,10"; //t1,n1,t2,n2,...
public static final String DFS_HTTP_CLIENT_FAILOVER_MAX_ATTEMPTS_KEY = "dfs.http.client.failover.max.attempts";
public static final int DFS_HTTP_CLIENT_FAILOVER_MAX_ATTEMPTS_DEFAULT = 15;
public static final String DFS_HTTP_CLIENT_FAILOVER_SLEEPTIME_BASE_KEY = "dfs.http.client.failover.sleep.base.millis";
public static final int DFS_HTTP_CLIENT_FAILOVER_SLEEPTIME_BASE_DEFAULT = 500;
public static final String DFS_HTTP_CLIENT_FAILOVER_SLEEPTIME_MAX_KEY = "dfs.http.client.failover.sleep.max.millis";
public static final int DFS_HTTP_CLIENT_FAILOVER_SLEEPTIME_MAX_DEFAULT = 15000;
}

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
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@ -192,10 +192,10 @@ public synchronized void initialize(URI uri, Configuration conf
this.retryPolicy =
RetryUtils.getDefaultRetryPolicy(
conf,
DFSConfigKeys.DFS_CLIENT_RETRY_POLICY_ENABLED_KEY,
DFSConfigKeys.DFS_CLIENT_RETRY_POLICY_ENABLED_DEFAULT,
DFSConfigKeys.DFS_CLIENT_RETRY_POLICY_SPEC_KEY,
DFSConfigKeys.DFS_CLIENT_RETRY_POLICY_SPEC_DEFAULT,
DFSConfigKeys.DFS_HTTP_CLIENT_RETRY_POLICY_ENABLED_KEY,
DFSConfigKeys.DFS_HTTP_CLIENT_RETRY_POLICY_ENABLED_DEFAULT,
DFSConfigKeys.DFS_HTTP_CLIENT_RETRY_POLICY_SPEC_KEY,
DFSConfigKeys.DFS_HTTP_CLIENT_RETRY_POLICY_SPEC_DEFAULT,
SafeModeException.class);
this.workingDir = getHomeDirectory();

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java
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@ -871,7 +871,11 @@ public static void namenodeRestartTest(final Configuration conf,
final Path dir = new Path("/testNamenodeRestart");
if (isWebHDFS) {
conf.setBoolean(DFSConfigKeys.DFS_HTTP_CLIENT_RETRY_POLICY_ENABLED_KEY, true);
} else {
conf.setBoolean(DFSConfigKeys.DFS_CLIENT_RETRY_POLICY_ENABLED_KEY, true);
}
conf.setInt(DFSConfigKeys.DFS_NAMENODE_SAFEMODE_MIN_DATANODES_KEY, 1);
conf.setInt(MiniDFSCluster.DFS_NAMENODE_SAFEMODE_EXTENSION_TESTING_KEY, 5000);