[logback-user] FixedWindowRollingPolicy has max 20?

David Roussel nabble at diroussel.xsmail.com
Tue Aug 12 21:31:06 CEST 2014


Is it mentioned in the links Gena supplied?

David

> On 12 Aug 2014, at 19:51, Dessie K <desmond.kirrane at gmail.com> wrote:
> 
> Thanks,
> 
> Is there a reason max is set to 20. Is there a performance impact or other reason 20 was chosen?
> 
> 
>> On Tue, Aug 12, 2014 at 4:49 PM, Gena Makhomed <gmm at csdoc.com> wrote:
>> On 12.08.2014 18:16, Dessie K wrote:
>> 
>>> I'm trying to have a large window size 200.
>>> 
>>> But noticed it is fixed to max 20:
>>> 
>>> https://github.com/qos-ch/logback/blob/master/logback-core/src/main/java/ch/qos/logback/core/rolling/FixedWindowRollingPolicy.java
>>> 
>>> Why is 20 the max?
>>> An is there anyway to force it to use a larger window size?
>> 
>> subclasses can override it:
>> 
>> https://github.com/qos-ch/logback/blob/master/logback-core/src/main/java/ch/qos/logback/core/rolling/FixedWindowRollingPolicy.java
>> 
>> /**
>>    * Subclasses can override this method to increase the max window size, if required.  This is to
>>    * address LOGBACK-266.
>>    * @return
>>    */
>>   protected int getMaxWindowSize() {
>>     return MAX_WINDOW_SIZE;
>>   }
>> 
>> or probably you just need
>> http://logback.qos.ch/manual/appenders.html#SizeAndTimeBasedFNATP
>> 
>> more details in http://jira.qos.ch/browse/LOGBACK-266
>> 
>> -- 
>> Best regards,
>>  Gena
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> 
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