Repository: hadoop Updated Branches: refs/heads/trunk cc23514ab -> ce79f7be2
YARN-7094. Document the current known issue with server-side NM graceful decom (rkanter) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ce79f7be Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ce79f7be Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ce79f7be Branch: refs/heads/trunk Commit: ce79f7be29dfbad444614cb340c59e4ff8137e89 Parents: cc23514 Author: Robert Kanter <rkan...@apache.org> Authored: Wed Aug 30 18:04:55 2017 -0700 Committer: Robert Kanter <rkan...@apache.org> Committed: Wed Aug 30 18:04:55 2017 -0700 ---------------------------------------------------------------------- .../main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java | 3 ++- .../hadoop-yarn-site/src/site/markdown/YarnCommands.md | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/ce79f7be/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java index ac5f559..24c1da0 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java @@ -113,7 +113,8 @@ public class RMAdminCLI extends HAAdmin { + " be handled by the client or the ResourceManager. The client" + "-side tracking is blocking, while the server-side tracking" + " is not. Omitting the timeout, or a timeout of -1, indicates" - + " an infinite timeout.")) + + " an infinite timeout. Known Issue: the server-side tracking" + + " will immediately decommission if an RM HA failover occurs.")) .put("-refreshNodesResources", new UsageInfo("", "Refresh resources of NodeManagers at the ResourceManager.")) .put("-refreshSuperUserGroupsConfiguration", new UsageInfo("", http://git-wip-us.apache.org/repos/asf/hadoop/blob/ce79f7be/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md index 478377fa..5f430ec 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md @@ -189,7 +189,7 @@ Usage: ``` Usage: yarn rmadmin -refreshQueues - -refreshNodes [-g [timeout in seconds]] + -refreshNodes [-g|graceful [timeout in seconds] -client|server] -refreshNodesResources -refreshSuperUserGroupsConfiguration -refreshUserToGroupsMappings @@ -214,7 +214,7 @@ Usage: | COMMAND\_OPTIONS | Description | |:---- |:---- | | -refreshQueues | Reload the queues' acls, states and scheduler specific properties. ResourceManager will reload the mapred-queues configuration file. | -| -refreshNodes [-g|graceful [timeout in seconds] -client|server] | Refresh the hosts information at the ResourceManager. -g option indicates graceful decommission of excluded hosts, in which case, the optional timeout indicates maximal time in seconds ResourceManager should wait before forcefully mark the node as decommissioned. | +| -refreshNodes [-g|graceful [timeout in seconds] -client|server] | Refresh the hosts information at the ResourceManager. Here [-g|graceful [timeout in seconds] -client|server] is optional, if we specify the timeout then ResourceManager will wait for timeout before marking the NodeManager as decommissioned. The -client|server indicates if the timeout tracking should be handled by the client or the ResourceManager. The client-side tracking is blocking, while the server-side tracking is not. Omitting the timeout, or a timeout of -1, indicates an infinite timeout. Known Issue: the server-side tracking will immediately decommission if an RM HA failover occurs. | | -refreshNodesResources | Refresh resources of NodeManagers at the ResourceManager. | | -refreshSuperUserGroupsConfiguration | Refresh superuser proxy groups mappings. | | -refreshUserToGroupsMappings | Refresh user-to-groups mappings. | --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
