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