4e61bc431e
Contributed by Elek Marton, Mukul Kumar Singh, Xiaoyu Yao, Ajay Kumar, Anu Engineer, Lokesh Jain, Nanda Kumar.
52 lines
1.8 KiB
Bash
Executable File
52 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# 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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MYNAME="${BASH_SOURCE-$0}"
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function hadoop_usage
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{
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hadoop_add_option "--buildpaths" "attempt to add class files from build tree"
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hadoop_add_option "--loglevel level" "set the log4j level for this command"
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hadoop_add_option "-policy <policy>" "set the balancer's policy"
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hadoop_add_option "-threshold <threshold>" "set the threshold for balancing"
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hadoop_generate_usage "${MYNAME}" false
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}
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bin=$(cd -P -- "$(dirname -- "${MYNAME}")" >/dev/null && pwd -P)
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# let's locate libexec...
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if [[ -n "${HADOOP_HOME}" ]]; then
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HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_HOME}/libexec"
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else
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HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../libexec"
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fi
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HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$HADOOP_DEFAULT_LIBEXEC_DIR}"
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# shellcheck disable=SC2034
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HADOOP_NEW_CONFIG=true
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if [[ -f "${HADOOP_LIBEXEC_DIR}/hdfs-config.sh" ]]; then
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. "${HADOOP_LIBEXEC_DIR}/hdfs-config.sh"
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else
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echo "ERROR: Cannot execute ${HADOOP_LIBEXEC_DIR}/hdfs-config.sh." 2>&1
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exit 1
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fi
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# Start balancer daemon.
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exec "${HADOOP_HDFS_HOME}/bin/hdfs" --config "${HADOOP_CONF_DIR}" --daemon start balancer "$@"
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