a196766ea0
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1134994 13f79535-47bb-0310-9956-ffa450edef68
51 lines
1.6 KiB
Bash
51 lines
1.6 KiB
Bash
#!/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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# ------------------------------------------------------------------
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# This script refreshes all namenodes, it's a simple wrapper
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# for dfsadmin to support multiple namenodes.
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bin=`dirname "$0"`
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bin=`cd "$bin"; pwd`
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if [ -e "$bin/../libexec/hdfs-config.sh" ]; then
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. "$bin/../libexec/hdfs-config.sh"
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else
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. "$bin/hdfs-config.sh"
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fi
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namenodes=$("$HADOOP_PREFIX/bin/hdfs" getconf -nnRpcAddresses)
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if [ "$?" != '0' ] ; then errorFlag='1' ;
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else
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for namenode in $namenodes ; do
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echo "Refreshing namenode [$namenode]"
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"$HADOOP_PREFIX/bin/hdfs" dfsadmin -fs hdfs://$namenode -refreshNodes
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if [ "$?" != '0' ] ; then errorFlag='1' ; fi
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done
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fi
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if [ "$errorFlag" = '1' ] ; then
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echo "Error: refresh of namenodes failed, see error messages above."
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exit 1
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else
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echo "Refresh of namenodes done."
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fi
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# eof
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