[logback-dev] [JIRA] (LOGBACK-1431) SizeBasedTriggeringPolicy and FixedWindowRollingPolicy : file grows enormously in some cases

[QOS.CH (JIRA)]

Alisa Martirosyan created LOGBACK-1431:
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             Summary: SizeBasedTriggeringPolicy and FixedWindowRollingPolicy : file grows enormously in some cases
                 Key: LOGBACK-1431
                 URL: https://jira.qos.ch/browse/LOGBACK-1431
             Project: logback
          Issue Type: Bug
          Components: logback-classic, logback-core
    Affects Versions: 1.2.3
         Environment:  

Logback 1.2.3, 

RHEL 6

 
            Reporter: Alisa Martirosyan
            Assignee: Logback dev list


Hi there, 

Using logback 1.2.3.

We have SizeBased and FixedWindow policy described as follows: 

 

<appender name="METRICS" class="ch.qos.logback.core.rolling.RollingFileAppender">
 <file>\{filename}</file>
 <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
 <fileNamePattern>\{filename}.%i.log</fileNamePattern>
 <minIndex>1</minIndex>
 <maxIndex>9</maxIndex>
 </rollingPolicy>
 <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
 <maxFileSize>20MB</maxFileSize>
 </triggeringPolicy>
 <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
 <layout class="com.avaya.ept.common.logging.layout.CLFLayout">
 <pattern>|%thread|%level|%logger\{15}|%msg%n</pattern>
 </layout>
 </encoder>
</appender>

 

Recently we've faced the issue when log file \{filename}-1.log grows to the enormous size of 40gb without any particular reason. After removing this log and restarting the application log continues to rotate normally, on ~20mb size mark. 

We could not analyze the logs as they causes the system to freeze (due to lack of free disk space) and had to be removed ASAP. Is there any particular reason why this could be happen? 

Using RHEL 6. 



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