In a multi-threaded application it is entirely possible that log entries might
be appear to be out of order. This is because the LogEvent will populate the
timestamp field but then another thread might get control, generate its log
event, and then pass it to the appender before the first thread got a chance to
pass the event to the appender. Are you seeing log entries that are out of
order in the same thread? That shouldn’t happen.
Ralph
> On Dec 14, 2017, at 3:09 PM, Benjamin Jaton <benjamin.ja...@gmail.com> wrote:
>
> Hello,
>
> I am seeing logs that are not in order in the log file, it this expected
> when using a RollingFile appender?
>
> "appenders" : {
> "appender" : [ {
> "type" : "RollingFile",
> "name" : "ServerAppender",
> "PatternLayout" : {
> "pattern" : "%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %c{1}:%L - %m%n"
> },
> "fileName" : "server.log",
> "filePattern" : "server-%d{yyyy-MM-dd_HH-mm-ss}.log.zip",
> "SizeBasedTriggeringPolicy" : {
> "size" : "100MB"
> },
> "bufferedIO" : "true",
> "bufferSize" : "8192",
> "immediateFlush" : "true",
> "DefaultRolloverStrategy" : (...)
> }
>
> Thanks
> Benjamin
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