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Documentation patch for bug 314385: fine-tune the MySQL configuration instructions for allowing large attachments to be stored; patch by Colin Ogilvie <colin.ogilvie@gmail.com>, r=vladd.

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git-svn-id: svn://10.0.0.236/trunk@199467 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
vladd%bugzilla.org
2006-06-07 23:21:45 +00:00
parent ed2af0aa7a
commit 44a321b0ec
1 changed files with 38 additions and 34 deletions
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72
mozilla/webtools/bugzilla/docs/xml/installation.xml
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@@ -1,5 +1,5 @@
<!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
<!-- $Id: installation.xml,v 1.120 2006-06-06 15:54:30 uid623 Exp $ -->
<!-- $Id: installation.xml,v 1.121 2006-06-07 23:20:27 vladd%bugzilla.org Exp $ -->
<chapter id="installing-bugzilla">
<title>Installing Bugzilla</title>
@@ -721,39 +721,6 @@
</para>
</section>
<section>
<title>Permit attachments table to grow beyond 4GB</title>
<para>
By default, MySQL will limit the size of a table to 4GB.
This limit is present even if the underlying filesystem
has no such limit. To set a higher limit, follow these
instructions.
</para>
<para>
Run the <filename>MySQL</filename> command-line client and
enter:
</para>
<screen> <prompt>mysql&gt;</prompt> ALTER TABLE attachments
AVG_ROW_LENGTH=1000000, MAX_ROWS=20000;
</screen>
<para>
The above command will change the limit to 20GB. Mysql will have
to make a temporary copy of your entire table to do this. Ideally,
you should do this when your attachments table is still small.
</para>
<note>
<para>
This does not affect Big Files, attachments that are stored directly
on disk instead of in the database.
</para>
</note>
</section>
<section id="install-setupdatabase-adduser">
<title>Add a user to MySQL</title>
@@ -789,6 +756,43 @@
<prompt>mysql&gt;</prompt> FLUSH PRIVILEGES;</screen>
</section>
<section>
<title>Permit attachments table to grow beyond 4GB</title>
<para>
By default, MySQL will limit the size of a table to 4GB.
This limit is present even if the underlying filesystem
has no such limit. To set a higher limit, follow these
instructions.
</para>
<para>
After you have completed the rest of the installation (or at least the
database setup parts), you should run the <filename>MySQL</filename>
command-line client and enter the following, replacing <literal>$bugs_db</literal>
with your Bugzilla database name (<emphasis>bugs</emphasis> by default):
</para>
<screen>
<prompt>mysql&gt;</prompt> use <replaceable>$bugs_db</replaceable>
<prompt>mysql&gt;</prompt> ALTER TABLE attachments
AVG_ROW_LENGTH=1000000, MAX_ROWS=20000;
</screen>
<para>
The above command will change the limit to 20GB. Mysql will have
to make a temporary copy of your entire table to do this. Ideally,
you should do this when your attachments table is still small.
</para>
<note>
<para>
This does not affect Big Files, attachments that are stored directly
on disk instead of in the database.
</para>
</note>
</section>
</section>
<section id="postgresql">