Revert "AMBARI-5973. Usability: Add checks for THP to the Ambari pre-req check for Linux (aonishuk)"

This reverts commit 46abfca2ddf45ba3a41af869185e4b29cbe07c3f.

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/before-INSTALL/scripts/hook.py

@@ -27,8 +27,8 @@ class BeforeConfigureHook(Hook):
 
   def hook(self, env):
     import params
+
     env.set_params(params)
-    change_thp()
     install_repos()
     setup_java()
     setup_users()

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/before-INSTALL/scripts/params.py

@@ -124,7 +124,7 @@ if has_ganglia_server:
 
 hbase_tmp_dir = config['configurations']['hbase-site']['hbase.tmp.dir']
 ignore_groupsusers_create = default("ignore_groupsusers_create", False)
-transparent_huge_pages_file = "/sys/kernel/mm/redhat_transparent_hugepage/enabled"
+
 
 #repo params
 repo_info = config['hostLevelParams']['repo_info']

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/before-INSTALL/scripts/shared_initialization.py

@@ -196,8 +196,3 @@ def setup_java():
 
 def install_packages():
   Package(['unzip'])
-
-def change_thp():
-  import params
-  if System.get_instance().os_family == "redhat" and System.get_instance().os_major_version == '6' :
-    Execute(format("echo never > {transparent_huge_pages_file}"))

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/hook.py

@@ -26,8 +26,8 @@ class BeforeConfigureHook(Hook):
 
   def hook(self, env):
     import params
+
     env.set_params(params)
-    change_thp()
     install_repos()
     install_packages()
     setup_java()

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/params.py

@@ -101,7 +101,6 @@ jce_policy_zip = default("/hostLevelParams/jce_name", None) # None when jdk is a
 jce_location = config['hostLevelParams']['jdk_location']
 jdk_location = config['hostLevelParams']['jdk_location']
 ignore_groupsusers_create = default("ignore_groupsusers_create", False)
-transparent_huge_pages_file = "/sys/kernel/mm/redhat_transparent_hugepage/enabled"
 
 #repo params
 repo_info = config['hostLevelParams']['repo_info']

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/shared_initialization.py

@@ -218,8 +218,3 @@ def setup_java():
 
 def install_packages():
   Package(['unzip', 'curl'])
-
-def change_thp():
-  import params
-  if System.get_instance().os_family == "redhat" and System.get_instance().os_major_version == '6' :
-    Execute(format("echo never > {transparent_huge_pages_file}"))