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72 lines
3.1 KiB
Text
72 lines
3.1 KiB
Text
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-----------------------------------------------------------------------------
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HandlerSocket plugin for MySQL
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Copyright (c) 2010 DeNA Co.,Ltd.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of DeNA Co.,Ltd. nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY DeNA Co.,Ltd. "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL DeNA Co.,Ltd. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-----------------------------------------------------------------------------
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About HandlerSocket
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HandlerSocket is a NoSQL plugin for MySQL. It works as a daemon inside the
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mysqld process, accept tcp connections, and execute requests from clients.
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HandlerSocket does not support SQL queries. Instead, it supports simple CRUD
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operations on tables.
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Because of the following reasons, HandlerSocket is much faster than the
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mysqld/libmysql pair in some circumstances:
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- HandlerSocket manipulates data without parsing SQL, which causes less
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CPU usage.
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- HandlerSocket reads many requests from clients and executes their
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requests in bulk, which causes less CPU and disk usage.
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- HandlerSocket client/server protocol is more compact than the
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mysql/libmysql pair, which causes less network usage.
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The current version of HandlerSocket only works with GNU/Linux. The source
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archive of HandlerSocket includes a C++ and a Perl client libraries.
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Here is a list of other language bindings:
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- PHP
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http://openpear.org/package/Net_HandlerSocket
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http://github.com/tz-lom/HSPHP
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http://code.google.com/p/php-handlersocket/
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- Java
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http://code.google.com/p/handlersocketforjava/
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- Python
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https://code.launchpad.net/~songofacandy/+junk/pyhandlersocket
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- Ruby
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https://github.com/winebarrel/ruby-handlersocket
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https://github.com/miyucy/handlersocket
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- JavaScript(Node.js)
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https://github.com/koichik/node-handlersocket
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The home of HandlerSocket is here:
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https://github.com/DeNADev/HandlerSocket-Plugin-for-MySQL
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More documents are available in docs-en/ and docs-ja/ directories.
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