YARN-2807. Option "--forceactive" not works as described in usage of
"yarn rmadmin -transitionToActive". Contributed by Masatake Iwasaki
(cherry picked from commit d15cbae73c)
Conflicts:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/YarnCommands.apt.vm
This commit is contained in:
Xuan
parent
0578df3baa
commit
79c8f4dcba
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@ -69,15 +69,15 @@ public abstract class HAAdmin extends Configured implements Tool {
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protected final static Map<String, UsageInfo> USAGE =
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ImmutableMap.<String, UsageInfo>builder()
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.put("-transitionToActive",
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new UsageInfo("<serviceId> [--"+FORCEACTIVE+"]", "Transitions the service into Active state"))
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new UsageInfo("[--"+FORCEACTIVE+"] <serviceId>", "Transitions the service into Active state"))
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.put("-transitionToStandby",
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new UsageInfo("<serviceId>", "Transitions the service into Standby state"))
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.put("-failover",
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new UsageInfo("[--"+FORCEFENCE+"] [--"+FORCEACTIVE+"] <serviceId> <serviceId>",
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"Failover from the first service to the second.\n" +
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"Unconditionally fence services if the "+FORCEFENCE+" option is used.\n" +
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"Unconditionally fence services if the --"+FORCEFENCE+" option is used.\n" +
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"Try to failover to the target service even if it is not ready if the " +
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FORCEACTIVE + " option is used."))
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"--" + FORCEACTIVE + " option is used."))
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.put("-getServiceState",
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new UsageInfo("<serviceId>", "Returns the state of the service"))
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.put("-checkHealth",
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@ -228,7 +228,7 @@ private boolean checkManualStateManagementOK(HAServiceTarget target) {
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"Refusing to manually manage HA state, since it may cause\n" +
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"a split-brain scenario or other incorrect state.\n" +
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"If you are very sure you know what you are doing, please \n" +
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"specify the " + FORCEMANUAL + " flag.");
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"specify the --" + FORCEMANUAL + " flag.");
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return false;
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} else {
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LOG.warn("Proceeding with manual HA state management even though\n" +
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@ -462,7 +462,7 @@ protected int runCmd(String[] argv) throws Exception {
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private boolean confirmForceManual() throws IOException {
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return ToolRunner.confirmPrompt(
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"You have specified the " + FORCEMANUAL + " flag. This flag is " +
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"You have specified the --" + FORCEMANUAL + " flag. This flag is " +
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"dangerous, as it can induce a split-brain scenario that WILL " +
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"CORRUPT your HDFS namespace, possibly irrecoverably.\n" +
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"\n" +
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@ -152,6 +152,9 @@ Release 2.7.0 - UNRELEASED
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YARN-3019. Make work-preserving-recovery the default mechanism for RM
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recovery. (Jian He via junping_du)
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YARN-2807. Option "--forceactive" not works as described in usage of
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"yarn rmadmin -transitionToActive". (Masatake Iwasaki via xgong)
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OPTIMIZATIONS
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BUG FIXES
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@ -208,6 +208,7 @@ ResourceManager High Availability
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+---+
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If automatic failover is enabled, you can not use manual transition command.
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Though you can override this by --forcemanual flag, you need caution.
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+---+
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$ yarn rmadmin -transitionToStandby rm1
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@ -192,15 +192,21 @@ Usage: yarn [--config confdir] [--loglevel loglevel] COMMAND
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Runs ResourceManager admin client
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-------
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Usage: yarn rmadmin [-refreshQueues] [-refreshNodes] [-refreshUserToGroupsMapping]
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[-refreshSuperUserGroupsConfiguration] [-refreshAdminAcls]
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[-refreshServiceAcl] [-getGroups [username]] [-help [cmd]]
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[-transitionToActive <serviceId>]
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[-transitionToStandby <serviceId>]
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[-getServiceState <serviceId>]
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[-checkHealth <serviceId>]
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-------
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----
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yarn rmadmin [-refreshQueues]
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[-refreshNodes]
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[-refreshUserToGroupsMapping]
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[-refreshSuperUserGroupsConfiguration]
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[-refreshAdminAcls]
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[-refreshServiceAcl]
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[-getGroups [username]]
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[-transitionToActive [--forceactive] [--forcemanual] <serviceId>]
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[-transitionToStandby [--forcemanual] <serviceId>]
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[-failover [--forcefence] [--forceactive] <serviceId1> <serviceId2>]
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[-getServiceState <serviceId>]
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[-checkHealth <serviceId>]
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[-help [cmd]]
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----
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*---------------+--------------+
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|| COMMAND_OPTIONS || Description |
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@ -224,14 +230,26 @@ Usage: yarn [--config confdir] [--loglevel loglevel] COMMAND
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*---------------+--------------+
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| -getGroups [username] | Get groups the specified user belongs to.
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*---------------+--------------+
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| -help [cmd] | Displays help for the given command or all commands if none is
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| | specified.
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| -transitionToActive [--forceactive] [--forcemanual] \<serviceId\> |
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| | Transitions the service into Active state.
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| | Try to make the target active
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| | without checking that there is no active node
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| | if the --forceactive option is used.
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| | This command can not be used if automatic failover is enabled.
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| | Though you can override this by --forcemanual option,
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| | you need caution.
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*---------------+--------------+
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| -transitionToActive \<serviceId\> | Transitions the service into Active
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| | state.
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| -transitionToStandby [--forcemanual] \<serviceId\> |
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| | Transitions the service into Standby state.
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| | This command can not be used if automatic failover is enabled.
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| | Though you can override this by --forcemanual option,
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| | you need caution.
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*---------------+--------------+
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| -transitionToStandby \<serviceId\> | Transitions the service into Standby
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| | state.
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| -failover [--forceactive] \<serviceId1\> \<serviceId2\> |
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| | Initiate a failover from serviceId1 to serviceId2.
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| | Try to failover to the target service even if it is not ready
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| | if the --forceactive option is used.
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| | This command can not be used if automatic failover is enabled.
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*---------------+--------------+
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| -getServiceState \<serviceId\> | Returns the state of the service.
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*---------------+--------------+
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@ -239,6 +257,10 @@ Usage: yarn [--config confdir] [--loglevel loglevel] COMMAND
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| | check. The RMAdmin tool will exit with a
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| | non-zero exit code if the check fails.
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*---------------+--------------+
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| -help [cmd] | Displays help for the given command or all commands if none is
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| | specified.
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*---------------+--------------+
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** daemonlog
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