HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry connection ten times before failing over. Contributed by Aaron T. Myers.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1220942 13f79535-47bb-0310-9956-ffa450edef68
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@ -67,3 +67,5 @@ HDFS-2684. Fix up some failing unit tests on HA branch (todd)
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HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via todd)
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HDFS-2677. Web UI should indicate the NN state. (eli via todd)
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HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry connection ten times before failing over (atm via todd)
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@ -55,6 +55,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
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public static final int DFS_CLIENT_FAILOVER_SLEEPTIME_BASE_DEFAULT = 500;
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public static final String DFS_CLIENT_FAILOVER_SLEEPTIME_MAX_KEY = "dfs.client.failover.sleep.max.millis";
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public static final int DFS_CLIENT_FAILOVER_SLEEPTIME_MAX_DEFAULT = 15000;
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public static final String DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_KEY = "dfs.client.failover.connection.retries";
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public static final int DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_DEFAULT = 0;
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public static final String DFS_NAMENODE_BACKUP_ADDRESS_KEY = "dfs.namenode.backup.address";
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public static final String DFS_NAMENODE_BACKUP_ADDRESS_DEFAULT = "localhost:50100";
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@ -29,6 +29,8 @@
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configurable;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
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import org.apache.hadoop.hdfs.DFSConfigKeys;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.hdfs.protocol.ClientProtocol;
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import org.apache.hadoop.io.retry.FailoverProxyProvider;
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@ -87,7 +89,13 @@ public synchronized Configuration getConf() {
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@Override
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public synchronized void setConf(Configuration conf) {
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this.conf = conf;
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this.conf = new Configuration(conf);
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int maxRetries = this.conf.getInt(
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DFSConfigKeys.DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_KEY,
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DFSConfigKeys.DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_DEFAULT);
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this.conf.setInt(
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CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY,
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maxRetries);
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try {
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ugi = UserGroupInformation.getCurrentUser();
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