YARN-4087. Followup fixes after YARN-2019 regarding RM behavior when
state-store error occurs. Contributed by Jian He
(cherry picked from commit 9b78e6e33d
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@ -837,6 +837,9 @@ Release 2.7.2 - UNRELEASED
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YARN-4105. Capacity Scheduler headroom for DRF is wrong (Chang Li via
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jlowe)
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YARN-4087. Followup fixes after YARN-2019 regarding RM behavior when
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state-store error occurs. (Jian He via xgong)
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Release 2.7.1 - 2015-07-06
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INCOMPATIBLE CHANGES
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@ -402,7 +402,7 @@ public class YarnConfiguration extends Configuration {
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public static final boolean DEFAULT_RM_RECOVERY_ENABLED = false;
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public static final String YARN_FAIL_FAST = YARN_PREFIX + "fail-fast";
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public static final boolean DEFAULT_YARN_FAIL_FAST = true;
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public static final boolean DEFAULT_YARN_FAIL_FAST = false;
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public static final String RM_FAIL_FAST = RM_PREFIX + "fail-fast";
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@ -349,9 +349,12 @@
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<property>
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<description>Should YARN fail fast if it encounters any errors.
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This is a global config for all other components including RM,NM etc.
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If no value is set for component-specific config (e.g yarn.resourcemanager.fail-fast),
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this value will be the default.
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</description>
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<name>yarn.fail-fast</name>
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<value>true</value>
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<value>false</value>
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</property>
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<property>
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@ -45,6 +45,7 @@ import org.apache.hadoop.yarn.api.records.ApplicationId;
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import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
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import org.apache.hadoop.yarn.api.records.ReservationId;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
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import org.apache.hadoop.yarn.conf.HAUtil;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.event.AsyncDispatcher;
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import org.apache.hadoop.yarn.event.Dispatcher;
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@ -1013,18 +1014,20 @@ public abstract class RMStateStore extends AbstractService {
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*/
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protected void notifyStoreOperationFailed(Exception failureCause) {
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LOG.error("State store operation failed ", failureCause);
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if (failureCause instanceof StoreFencedException) {
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if (HAUtil.isHAEnabled(getConfig())) {
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LOG.warn("State-store fenced ! Transitioning RM to standby");
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updateFencedState();
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Thread standByTransitionThread =
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new Thread(new StandByTransitionThread());
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standByTransitionThread.setName("StandByTransitionThread Handler");
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standByTransitionThread.start();
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} else if (YarnConfiguration.shouldRMFailFast(getConfig())) {
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LOG.fatal("Fail RM now due to state-store error!");
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rmDispatcher.getEventHandler().handle(
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new RMFatalEvent(RMFatalEventType.STATE_STORE_OP_FAILED,
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failureCause));
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} else {
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if (YarnConfiguration.shouldRMFailFast(getConfig())) {
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rmDispatcher.getEventHandler().handle(
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new RMFatalEvent(RMFatalEventType.STATE_STORE_OP_FAILED,
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failureCause));
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}
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LOG.warn("Skip the state-store error.");
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}
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}
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