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33 <p>
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35 <h1><a name="name">NAME</a></h1>
36 <p>rrdflushcached - Flush the values for a spcific RRD file from memory.</p>
37 <p>
38 </p>
39 <hr />
40 <h1><a name="synopsis">SYNOPSIS</a></h1>
41 <p><strong>rrdtool</strong> <strong>flushcached</strong>
42 [<strong>--daemon</strong> <em>address</em>]
43 <em>filename</em> [<em>filename</em> ...]</p>
44 <p>
45 </p>
46 <hr />
47 <h1><a name="description">DESCRIPTION</a></h1>
48 <p>The <strong>flushcached</strong> function connects to <a href="././rrdcached.html">the rrdcached manpage</a>, the RRD caching daemon,
49 and issues a "flush" command for the given files. The daemon will put the
50 files to the head of the update queue so they are written "soon". The
51 status will be returned only after the files' pending updates have been
52 written to disk.</p>
53 <dl>
54 <dt><strong><a name="filename" class="item"><em>filename</em></a></strong></dt>
56 <dd>
57 <p>The name(s) of the <strong>RRD</strong> file(s) that are to be written to disk.</p>
58 </dd>
59 <dt><strong><a name="daemon_address" class="item"><strong>--daemon</strong> <em>address</em></a></strong></dt>
61 <dd>
62 <p>Address of the <a href="././rrdcached.html">the rrdcached manpage</a> daemon. If not specified, the
63 RRDCACHED_ADDRESS environment variable must be set (see below). For a
64 list of accepted formats, see the <strong>-l</strong> option in the <a href="././rrdcached.html">the rrdcached manpage</a>
65 manual.</p>
66 <pre>
67 rrdtool flush --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd</pre>
68 </dd>
69 </dl>
70 <p>
71 </p>
72 <hr />
73 <h1><a name="environment_variables">ENVIRONMENT VARIABLES</a></h1>
74 <p>The following environment variables may be used to change the behavior of
75 <code>rrdtoolflushcached</code>:</p>
76 <dl>
77 <dt><strong><a name="rrdcached_address" class="item"><strong>RRDCACHED_ADDRESS</strong></a></strong></dt>
79 <dd>
80 <p>If this environment variable is set it will have the same effect as specifying
81 the <code>--daemon</code> option on the command line. If both are present, the command
82 line argument takes precedence.</p>
83 </dd>
84 </dl>
85 <p>
86 </p>
87 <hr />
88 <h1><a name="author">AUTHOR</a></h1>
89 <p>Florian Forster <octo at verplant.org></p>
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