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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>If I have a configuration file like the following: <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&lt;appender name=&quot;file&quot; class=&quot;ch.qos.logback.core.rolling.RollingFileAppender&quot;&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;File&gt;test.log&lt;/File&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;encoder&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;pattern&gt;... &lt;/pattern&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/encoder&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;rollingPolicy class=&quot;ch.qos.logback.core.rolling.TimeBasedRollingPolicy&quot;&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;fileNamePattern&gt;test.%d{yyyy-MM}.%i.log&lt;/fileNamePattern&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;maxHistory&gt;2&lt;/maxHistory&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;timeBasedFileNamingAndTriggeringPolicy class=&quot;ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP&quot;&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;maxFileSize&gt;10MB&lt;/maxFileSize&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/timeBasedFileNamingAndTriggeringPolicy&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/rollingPolicy&gt;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>&nbsp;&nbsp;&nbsp; &lt;/appender&gt;<o:p></o:p></span></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>The max history parameter here , does it mean <o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>test.2011-04.0.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.1.log<o:p></o:p></p><p class=MsoNormal>And then renaming test.log.2011-04.1.log to test.2011-04.0.log. The new logs go to the file test.2011-04.1.log<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Or does it mean<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>test.2011-04.0.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.1.log<o:p></o:p></p><p class=MsoNormal>test.2011-04.2.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.3.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.4.log&#8230;.. Having as many index as needed. But saving this files for 2 months. So that we have something like the following:<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>test.2011-04.0.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.1.log<o:p></o:p></p><p class=MsoNormal>test.2011-04.2.log <o:p></o:p></p><p class=MsoNormal>test.2011-04.3.log&#8230;&#8230;.<o:p></o:p></p><p class=MsoNormal>test.2011-05.0.log <o:p></o:p></p><p class=MsoNormal>test.2011-05.1.log&#8230;&#8230;<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Now when we have logs for 2011-06 delete the logs for 2011-04.<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Which condition applies when you have maxHistory for a filename pattern like<o:p></o:p></p><p class=MsoNormal> &#8216;<span style='font-size:10.0pt;font-family:"Courier New"'>&lt;fileNamePattern&gt;test.%d{yyyy-MM}.%i.log&lt;/fileNamePattern&gt;&#8217;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Neha<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p></div><P>---</P>
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