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https://issues.apache.org/jira/browse/LOG4J2-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064495#comment-16064495
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ASF GitHub Bot commented on LOG4J2-1766:
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Github user phymbert commented on the issue:
https://github.com/apache/logging-log4j2/pull/88
Thank you, it is ok, closed.
> Distinguish between partial and completed .gz archive file
> ----------------------------------------------------------
>
> Key: LOG4J2-1766
> URL: https://issues.apache.org/jira/browse/LOG4J2-1766
> Project: Log4j 2
> Issue Type: New Feature
> Affects Versions: 2.5
> Reporter: Sameer Pradhan
> Labels: features
> Fix For: 2.9
>
>
> I have the following log configuration.
> {code:xml}
> <RollingRandomAccessFile name="RollingReqAppender"
> fileName="/usr/test/req.log"
> filePattern="/usr/test/req.log.%d{yyyy-MM-dd-HH}.%i.gz"
> immediateFlush="true" append="true">
> <PatternLayout>
> <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS Z}%m%n</Pattern>
> </PatternLayout>
> <Policies>
> <SizeBasedTriggeringPolicy size="500 MB"/>
> <TimeBasedTriggeringPolicy interval="1" modulate="true" />
> </Policies>
> </RollingRandomAccessFile>
> {code}
> When the log is rolled over (based on time or size), it is gzipped. Gzipping
> the file takes some time (seconds to minutes depending on load). The problem
> is that the file is gzipped in place, and while it is being gzipped, the
> partially gzipped file is stored in the same folder with the same name as the
> final gzip file. e.g.: {{/usr/test/req.log.2017-01-03-02.1.gz}}
> This causes problems for the file's consumer, which attempts to process the
> partial file. I want to be able to distinguish between a partial gzipped file
> and a completed gzipped file. For example, I would like to setup a
> configuration that while the file is being gzipped, it is written with a
> different name e.g.: {{/usr/test/req.log.2017-01-03-02.1.gz.temp}} and once
> it is completely gzipped the name is changed to the final name
> {{/usr/test/req.log.2017-01-03-02.1.gz}}
> One way to achieve this is to add a new parameter like
> "temporaryCompressedFilePattern" as follows:
> {code:xml}
> <RollingRandomAccessFile name="RollingReqAppender"
> fileName="/usr/test/req.log"
> filePattern="/usr/test/req.log.%d{yyyy-MM-dd-HH}.%i.gz"
>
> temporaryCompressedFilePattern="/usr/test/req.log.%d{yyyy-MM-dd-HH}.%i.gz.temp"
> {code}
> Another option is to make such behavior the default behavior without adding a
> new parameter.
>
> This was first discussed at
> http://stackoverflow.com/questions/41457492/partial-gz-file-written-by-log4j2
> Creating this feature request as suggested by @rpopma
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