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37 lines
2.1 KiB
XML
37 lines
2.1 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="set-database-buffer-pool-size">
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<title>Set Database Buffer Pool Size</title>
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<para>It is important to provide enough memory space for the MySQL database to cache data and indexes:</para>
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<orderedlist>
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<listitem><para>Edit the Tomcat configuration file:</para><programlisting>/etc/my.cnf</programlisting></listitem>
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<listitem><para>Insert the following line in the [mysqld] section, below the datadir line. Use a value that is appropriate for your situation. We recommend setting the buffer pool at 40% of RAM if MySQL is on the same server as the management server or 70% of RAM if MySQL has a dedicated server. The following example assumes a dedicated server with 1024M of RAM.</para>
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<programlisting>innodb_buffer_pool_size=700M</programlisting></listitem>
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<listitem><para>Restart the MySQL service.</para><programlisting># service mysqld restart</programlisting></listitem>
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</orderedlist>
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<para>For more information about the buffer pool, see "The InnoDB Buffer Pool" at <ulink url="http://dev.mysql.com/doc/refman/5.5/en/innodb-buffer-pool.html">MySQL Reference Manual</ulink>.</para>
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</section>
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