HDFS-6089. Standby NN while transitioning to active throws a connection refused error when the prior active NN process is suspended. Contributed by Jing Zhao.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1579692 13f79535-47bb-0310-9956-ffa450edef68
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@ -723,6 +723,10 @@ Release 2.4.0 - UNRELEASED
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HDFS-5981. PBImageXmlWriter generates malformed XML.
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(Haohui Mai via cnauroth)
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HDFS-6089. Standby NN while transitioning to active throws a connection
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refused error when the prior active NN process is suspended.
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(Jing Zhao via Andrew Wang)
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BREAKDOWN OF HDFS-4685 SUBTASKS AND RELATED JIRAS
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HDFS-5596. Implement RPC stubs. (Haohui Mai via cnauroth)
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@ -522,6 +522,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
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public static final int DFS_HA_LOGROLL_PERIOD_DEFAULT = 2 * 60; // 2m
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public static final String DFS_HA_TAILEDITS_PERIOD_KEY = "dfs.ha.tail-edits.period";
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public static final int DFS_HA_TAILEDITS_PERIOD_DEFAULT = 60; // 1m
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public static final String DFS_HA_LOGROLL_RPC_TIMEOUT_KEY = "dfs.ha.log-roll.rpc.timeout";
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public static final int DFS_HA_LOGROLL_RPC_TIMEOUT_DEFAULT = 20000; // 20s
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public static final String DFS_HA_FENCE_METHODS_KEY = "dfs.ha.fencing.methods";
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public static final String DFS_HA_AUTO_FAILOVER_ENABLED_KEY = "dfs.ha.automatic-failover.enabled";
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public static final boolean DFS_HA_AUTO_FAILOVER_ENABLED_DEFAULT = false;
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@ -135,9 +135,12 @@ public class EditLogTailer {
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private NamenodeProtocol getActiveNodeProxy() throws IOException {
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if (cachedActiveProxy == null) {
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NamenodeProtocolPB proxy =
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RPC.waitForProxy(NamenodeProtocolPB.class,
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RPC.getProtocolVersion(NamenodeProtocolPB.class), activeAddr, conf);
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int rpcTimeout = conf.getInt(
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DFSConfigKeys.DFS_HA_LOGROLL_RPC_TIMEOUT_KEY,
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DFSConfigKeys.DFS_HA_LOGROLL_RPC_TIMEOUT_DEFAULT);
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NamenodeProtocolPB proxy = RPC.waitForProxy(NamenodeProtocolPB.class,
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RPC.getProtocolVersion(NamenodeProtocolPB.class), activeAddr, conf,
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rpcTimeout, Long.MAX_VALUE);
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cachedActiveProxy = new NamenodeProtocolTranslatorPB(proxy);
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}
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assert cachedActiveProxy != null;
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