YARN-5808. Add gc log options to the yarn daemon script when starting services-api. Contributed by Billie Rinaldi

hadoop-yarn-project/hadoop-yarn/bin/yarn

@@ -49,7 +49,7 @@ function hadoop_usage
   hadoop_add_subcommand "router" daemon "run the Router daemon"
   hadoop_add_subcommand "schedulerconf" client "Updates scheduler configuration"
   hadoop_add_subcommand "scmadmin" admin "SharedCacheManager admin tools"
-  hadoop_add_subcommand "services-api" "run slider services api"
+  hadoop_add_subcommand "servicesapi" "run slider services api"
   hadoop_add_subcommand "sharedcachemanager" daemon "run the SharedCacheManager daemon"
   hadoop_add_subcommand "slider" "run a slider app"
   hadoop_add_subcommand "timelinereader" client "run the timeline reader server"
@@ -151,20 +151,20 @@ function yarncmd_case
     scmadmin)
       HADOOP_CLASSNAME='org.apache.hadoop.yarn.client.SCMAdmin'
     ;;
-    services-api)
+    servicesapi)
       HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"
       hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}/slider"'/*'
       hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}/services-api"'/*'
       HADOOP_CLASSNAME='org.apache.hadoop.yarn.services.webapp.ApplicationApiWebApp'
-      hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
+      local sld="${HADOOP_YARN_HOME}/${YARN_DIR},\
-      HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS} \
--Dslider.libdir=${HADOOP_YARN_HOME}/${YARN_DIR},\
 ${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR},\
 ${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}/slider,\
 ${HADOOP_HDFS_HOME}/${HDFS_DIR},\
 ${HADOOP_HDFS_HOME}/${HDFS_LIB_JARS_DIR},\
 ${HADOOP_COMMON_HOME}/${HADOOP_COMMON_DIR},\
 ${HADOOP_COMMON_HOME}/${HADOOP_COMMON_LIB_JARS_DIR}"
+      hadoop_translate_cygwin_path sld
+      hadoop_add_param HADOOP_OPTS slider.libdir "-Dslider.libdir=${sld}"
     ;;
     sharedcachemanager)
       HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"
@@ -173,15 +173,15 @@ ${HADOOP_COMMON_HOME}/${HADOOP_COMMON_LIB_JARS_DIR}"
     slider)
       hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}/slider"'/*'
       HADOOP_CLASSNAME='org.apache.slider.Slider'
-      hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
+      local sld="${HADOOP_YARN_HOME}/${YARN_DIR},\
-      HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS} \
--Dslider.libdir=${HADOOP_YARN_HOME}/${YARN_DIR},\
 ${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR},\
 ${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}/slider,\
 ${HADOOP_HDFS_HOME}/${HDFS_DIR},\
 ${HADOOP_HDFS_HOME}/${HDFS_LIB_JARS_DIR},\
 ${HADOOP_COMMON_HOME}/${HADOOP_COMMON_DIR},\
 ${HADOOP_COMMON_HOME}/${HADOOP_COMMON_LIB_JARS_DIR}"
+      hadoop_translate_cygwin_path sld
+      hadoop_add_param HADOOP_OPTS slider.libdir "-Dslider.libdir=${sld}"
     ;;
     timelinereader)
       HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"

hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh

@@ -148,3 +148,15 @@
 # See ResourceManager for some examples
 #
 #export YARN_ROUTER_OPTS=
+
+###
+# Services API specific parameters
+###
+# Specify the JVM options to be used when starting the services API.
+#
+# These options will be appended to the options specified as HADOOP_OPTS
+# and therefore may override any similar flags set in HADOOP_OPTS
+#
+# See ResourceManager for some examples
+#
+#export YARN_SERVICESAPI_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xloggc:${HADOOP_LOG_DIR}/gc-servicesapi.log-$(date +'%Y%m%d%H%M')"