# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # Set Hive and Hadoop environment variables here. These variables can be used # to control the execution of Hive. It should be used by admins to configure # the Hive installation (so that users do not have to set environment variables # or set command line parameters to get correct behavior). # # The hive service being invoked (CLI/HWI etc.) is available via the environment # variable SERVICE # Hive Client memory usage can be an issue if a large number of clients # are running at the same time. The flags below have been useful in # reducing memory usage: # # if [ "$SERVICE" = "cli" ]; then # if [ -z "$DEBUG" ]; then # export HADOOP_OPTS="$HADOOP_OPTS -XX:NewRatio=12 -Xms10m -XX:MaxHeapFreeRatio=40 -XX:MinHeapFreeRatio=15 -XX:+UseParNewGC -XX:-UseGCOverheadLimit" # else # export HADOOP_OPTS="$HADOOP_OPTS -XX:NewRatio=12 -Xms10m -XX:MaxHeapFreeRatio=40 -XX:MinHeapFreeRatio=15 -XX:-UseGCOverheadLimit" # fi # fi # The heap size of the jvm stared by hive shell script can be controlled via: # # export HADOOP_HEAPSIZE=1024 # # Larger heap size may be required when running queries over large number of files or partitions. # By default hive shell scripts use a heap size of 256 (MB). Larger heap size would also be # appropriate for hive server (hwi etc). # Set HADOOP_HOME to point to a specific hadoop install directory # HADOOP_HOME=${bin}/../../hadoop # Hive Configuration Directory can be controlled by: # export HIVE_CONF_DIR= # Folder containing extra ibraries required for hive compilation/execution can be controlled by: # export HIVE_AUX_JARS_PATH=