AMBARI-20233. [Yarn 3.0] "refresh yarn queue" takes 20 minutes to fail 
(aonishuk)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/d5efb772
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/d5efb772
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/d5efb772

Branch: refs/heads/branch-feature-AMBARI-12556
Commit: d5efb77276443257ef49baaed1994e2204c623bd
Parents: 5cf5e31
Author: Andrew Onishuk <aonis...@hortonworks.com>
Authored: Tue Feb 28 15:07:11 2017 +0200
Committer: Andrew Onishuk <aonis...@hortonworks.com>
Committed: Tue Feb 28 15:07:11 2017 +0200

----------------------------------------------------------------------
 .../YARN/3.0.0.3.0/package/scripts/service.py               | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/d5efb772/ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py
 
b/ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py
index e0d6475..1c612ef 100644
--- 
a/ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py
+++ 
b/ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py
@@ -25,6 +25,7 @@ from resource_management.core.shell import as_user, as_sudo
 from resource_management.libraries.functions.show_logs import show_logs
 from resource_management.libraries.functions.format import format
 from resource_management.core.resources.system import Execute, File
+from resource_management.core.signal_utils import TerminateStrategy
 
 @OsFamilyFuncImpl(os_family=OSConst.WINSRV_FAMILY)
 def service(componentName, action='start', serviceName='yarn'):
@@ -103,4 +104,10 @@ def service(componentName, action='start', 
serviceName='yarn'):
   elif action == 'refreshQueues':
     rm_kinit_cmd = params.rm_kinit_cmd
     refresh_cmd = format("{rm_kinit_cmd} export 
HADOOP_LIBEXEC_DIR={hadoop_libexec_dir} && {yarn_container_bin}/yarn rmadmin 
-refreshQueues")
-    Execute(refresh_cmd, user=usr)
+    Execute(refresh_cmd,
+            user = usr,
+            timeout = 20, # when Yarn is not started command hangs forever and 
should be killed
+            tries = 5,
+            try_sleep = 5,
+            timeout_kill_strategy = TerminateStrategy.KILL_PROCESS_GROUP, # 
the process cannot be simply killed by 'kill -15', so kill pg group instread.
+    )

Reply via email to