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doc: add information about log cleaner #491

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Nov 5, 2019
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doc: add information about log cleaner #491

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18 changes: 18 additions & 0 deletions doc/glog.html
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Expand Up @@ -543,6 +543,24 @@ <h3><A NAME=strip>Strip Logging Messages</A></h3>
all log messages associated with <code>VLOG</code>s as well as
<code>INFO</code> log statements.

<h3><A NAME=strip>Automatically Remove Old Logs</A></h3>

<p>To enable the log cleaner:

<pre>
google::EnableLogCleaner(3); // keep your logs for 3 days
</pre>

And then Google glog will check if there are overdue logs whenever
a flush is performed. In this example, any log file from your project whose
last modified time is greater than 3 days will be unlink()ed.

<p>This feature can be disabled at any time (if it has been enabled)

<pre>
google::DisableLogCleaner();
</pre>

<h3><A NAME=windows>Notes for Windows users</A></h3>

<p>Google glog defines a severity level <code>ERROR</code>, which is
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