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HDFS-2682. When a FailoverProxyProvider is used, Client should not retry for 45 times if it is timing out to connect to server. Contributed by Uma Maheswara Rao G. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1220965 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2011-12-19 21:49:39 +00:00
parent 009dfed8d7
commit 57ef902bbc
3 changed files with 11 additions and 1 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -69,3 +69,5 @@ HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via to
HDFS-2677. Web UI should indicate the NN state. (eli via todd)
HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry connection ten times before failing over (atm via todd)
HDFS-2682. When a FailoverProxyProvider is used, Client should not retry for 45 times if it is timing out to connect to server. (Uma Maheswara Rao G via todd)

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -57,6 +57,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final int DFS_CLIENT_FAILOVER_SLEEPTIME_MAX_DEFAULT = 15000;
public static final String DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_KEY = "dfs.client.failover.connection.retries";
public static final int DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_DEFAULT = 0;
public static final String DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_ON_SOCKET_TIMEOUTS_KEY = "dfs.client.failover.connection.retries.on.timeouts";
public static final int DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_ON_SOCKET_TIMEOUTS_DEFAULT = 0;
public static final String DFS_NAMENODE_BACKUP_ADDRESS_KEY = "dfs.namenode.backup.address";
public static final String DFS_NAMENODE_BACKUP_ADDRESS_DEFAULT = "localhost:50100";

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/ConfiguredFailoverProxyProvider.java
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@ -21,7 +21,6 @@ import java.io.Closeable;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
@ -96,6 +95,13 @@ public class ConfiguredFailoverProxyProvider implements FailoverProxyProvider,
this.conf.setInt(
CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY,
maxRetries);
int maxRetriesOnSocketTimeouts = this.conf.getInt(
DFSConfigKeys.DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_ON_SOCKET_TIMEOUTS_KEY,
DFSConfigKeys.DFS_CLIENT_FAILOVER_CONNECTION_RETRIES_ON_SOCKET_TIMEOUTS_DEFAULT);
this.conf.setInt(
CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY,
maxRetriesOnSocketTimeouts);
try {
ugi = UserGroupInformation.getCurrentUser();