diff options
Diffstat (limited to 'MSH-PIC/hbase/bin/shutdown_regionserver.rb')
| -rw-r--r-- | MSH-PIC/hbase/bin/shutdown_regionserver.rb | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/MSH-PIC/hbase/bin/shutdown_regionserver.rb b/MSH-PIC/hbase/bin/shutdown_regionserver.rb new file mode 100644 index 0000000..fd1af30 --- /dev/null +++ b/MSH-PIC/hbase/bin/shutdown_regionserver.rb @@ -0,0 +1,56 @@ +# +# 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. +# + +# This script is used to issue a stop command to a regionserver via RPC. +# Intended for use in environments where sshing around is inappropriate +# Run it like this by passing it to a jruby interpreter: +# +# ./bin/hbase org.jruby.Main bin/shutdown_regionserver.rb c2021:16020 + +include Java +java_import org.apache.hadoop.hbase.HBaseConfiguration +java_import org.apache.hadoop.hbase.client.HBaseAdmin +java_import org.apache.hadoop.hbase.client.ConnectionFactory + +def usage(msg = nil) + $stderr.puts 'Usage: shutdown_regionserver.rb <host:port>..' + $stderr.puts + $stderr.puts 'Stops the specified regionservers via RPC' + $stderr.puts format('Error: %s', msg) if msg + abort +end + +usage if ARGV.empty? + +ARGV.each do |x| + usage format('Invalid host:port: %s', x) unless x.include? ':' +end + +config = HBaseConfiguration.create +connection = ConnectionFactory.createConnection(config) +begin + admin = connection.getAdmin +rescue + abort "Error: Couldn't instantiate HBaseAdmin" +end + +ARGV.each do |hostport| + admin.stopRegionServer(hostport) +end +admin.close +connection.close |