[logback-dev] [JIRA] (LOGBACK-1322) File handles to tmp file kept open after rotation

[QOS.CH (JIRA)]

Ross Ilott created LOGBACK-1322:
-----------------------------------

             Summary: File handles to tmp file kept open after rotation
                 Key: LOGBACK-1322
                 URL: https://jira.qos.ch/browse/LOGBACK-1322
             Project: logback
          Issue Type: Bug
    Affects Versions: 1.2.3
         Environment: <!-- For assistance related to logback-translator or configuration -->
<!-- files in general, please contact the logback user mailing list -->
<!-- at http://www.qos.ch/mailman/listinfo/logback-user -->
<!-- -->
<!-- For professional support please see -->
<!-- http://www.qos.ch/shop/products/professionalSupport -->
<!-- -->
<configuration>
 <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
 <encoder>
 <pattern>%d\{HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n</pattern>
 </encoder>
 </appender>
 <appender name="logfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
 <file>log/kairosdb.log</file>
 <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
 <!-- daily rollover -->
 <fileNamePattern>/var/log/kairosdb/kairosdb.%d.%i.log.gz</fileNamePattern>

<!-- keep 30 days' worth of history -->
 <maxHistory>30</maxHistory>

<!-- or whenever the file size reaches 100MB -->
 <timeBasedFileNamingAndTriggeringPolicy
 class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
 <maxFileSize>100MB</maxFileSize>
 </timeBasedFileNamingAndTriggeringPolicy>

<!-- Whenever startup, will run the rollover -->
 <cleanHistoryOnStart>true</cleanHistoryOnStart>
 </rollingPolicy>
 <encoder>
 <pattern>%d\{MM-dd|HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n</pattern>
 </encoder>
 </appender>

<logger name="com.mchange.v2.c3p0" level="WARN"/>

<!--<logger name="org.hbase.async.RegionClient" level="DEBUG"/>-->

<!--<logger name="org.kairosdb.core.aggregator.SumAggregator" level="DEBUG"/>
 <logger name="org.kairosdb.datastore.cassandra.CassandraDatastore" level="DEBUG"/>-->

<!--<logger name="org.kairosdb.core.http.rest.MetricsResource" level="DEBUG"/>-->

<root level="INFO">
 <appender-ref ref="stdout"/>
 <appender-ref ref="logfile"/>
 </root>
</configuration>
            Reporter: Ross Ilott
            Assignee: Logback dev list


I'm using kairosdb 1.1.3 which uses logback as it's logging library. When the log reaches 100MB the log rotates successfully, but many .tmp files are held open, resulting in the disk space not being freed up:

{{java      13075 31552       root    2w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31561       root    1w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31561       root    2w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31632       root    1w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31632       root    2w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31637       root    1w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31637       root    2w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31639       root    1w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)
java      13075 31639       root    2w      REG              253,1 104911776     589454 /opt/kairosdb/log/kairosdb.log1696340173764370.tmp (deleted)}}



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