YARN-1028. Addendum patch. Added FailoverProxyProvider capability to ResourceManager to help with RM failover.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1552920 13f79535-47bb-0310-9956-ffa450edef68
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@ -69,13 +69,6 @@ protected Random initialValue() {
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*/
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public static final RetryPolicy RETRY_FOREVER = new RetryForever();
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/**
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* <p>
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* Keep failing over forever
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* </p>
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*/
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public static final RetryPolicy FAILOVER_FOREVER = new FailoverForever();
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/**
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* <p>
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* Keep trying a limited number of times, waiting a fixed time between attempts,
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@ -173,14 +166,6 @@ public RetryAction shouldRetry(Exception e, int retries, int failovers,
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return RetryAction.RETRY;
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}
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}
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static class FailoverForever implements RetryPolicy {
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@Override
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public RetryAction shouldRetry(Exception e, int retries, int failovers,
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boolean isIdempotentOrAtMostOnce) throws Exception {
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return RetryAction.FAILOVER_AND_RETRY;
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}
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}
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/**
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* Retry up to maxRetries.
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@ -86,9 +86,7 @@ public static void setup() throws IOException {
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setRpcAddressForRM(RM1_NODE_ID, RM1_PORT_BASE);
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setRpcAddressForRM(RM2_NODE_ID, RM2_PORT_BASE);
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conf.setInt(YarnConfiguration.CLIENT_FAILOVER_MAX_ATTEMPTS, 100);
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conf.setLong(YarnConfiguration.CLIENT_FAILOVER_SLEEPTIME_BASE_MS, 100L);
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conf.setLong(YarnConfiguration.CLIENT_FAILOVER_SLEEPTIME_MAX_MS, 1000L);
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conf.setBoolean(YarnConfiguration.YARN_MINICLUSTER_FIXED_PORTS, true);
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conf.setBoolean(YarnConfiguration.YARN_MINICLUSTER_USE_RPC, true);
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@ -225,19 +225,17 @@ public static RetryPolicy createRetryPolicy(Configuration conf) {
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int maxFailoverAttempts = conf.getInt(
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YarnConfiguration.CLIENT_FAILOVER_MAX_ATTEMPTS, -1);
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RetryPolicy basePolicy = RetryPolicies.TRY_ONCE_THEN_FAIL;
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if (maxFailoverAttempts == -1) {
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if (waitForEver) {
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basePolicy = RetryPolicies.FAILOVER_FOREVER;
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maxFailoverAttempts = Integer.MAX_VALUE;
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} else {
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basePolicy = new FailoverUptoMaximumTimePolicy(
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System.currentTimeMillis() + rmConnectWaitMS);
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maxFailoverAttempts = (int) (rmConnectWaitMS / failoverSleepBaseMs);
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}
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maxFailoverAttempts = 0;
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}
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return RetryPolicies.failoverOnNetworkException(basePolicy,
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maxFailoverAttempts, failoverSleepBaseMs, failoverSleepMaxMs);
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return RetryPolicies.failoverOnNetworkException(
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RetryPolicies.TRY_ONCE_THEN_FAIL, maxFailoverAttempts,
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failoverSleepBaseMs, failoverSleepMaxMs);
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}
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if (waitForEver) {
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