| # |
| # Copyright 2010 The Apache Software Foundation |
| # |
| # 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. |
| # |
| |
| module Shell |
| module Commands |
| class Processlist < Command |
| def help |
| <<-EOF |
| Show regionserver task list. |
| |
| hbase> processlist |
| hbase> processlist 'all' |
| # list non-RPC Tasks, such as compact, flush etc |
| hbase> processlist 'general' |
| # list RPC Handler Tasks |
| hbase> processlist 'handler' |
| # list RPC Handler Tasks which state is RUNNING |
| hbase> processlist 'rpc' |
| # list RPC Handler Tasks which state is RUNNING and from client |
| hbase> processlist 'operation' |
| hbase> processlist 'all','host187.example.com' |
| hbase> processlist 'all','host187.example.com,16020' |
| hbase> processlist 'all','host187.example.com,16020,1289493121758' |
| |
| EOF |
| end |
| |
| def command(*args) |
| if %w[all general handler rpc operation].include? args[0] |
| # if the first argument is a valid filter specifier, use it as such |
| filter = args[0] |
| hosts = args[1, args.length] |
| else |
| # otherwise, treat all arguments as host addresses by default |
| filter = 'general' |
| hosts = args |
| end |
| |
| hosts = admin.getServerNames(hosts, true) |
| |
| if hosts.nil? |
| puts 'No regionservers available.' |
| else |
| taskmonitor.tasks(filter, hosts) |
| end |
| end |
| end |
| end |
| end |