[logback-user] CyclicBuffer size in SmtpAppender

Ceki Gülcü ceki at qos.ch
Wed Oct 20 23:51:48 CEST 2010

Functionality added in v0.9.26.

On 20/10/2010 4:35 PM, Dawson Mossman wrote:
> Thanks Ceki, does this mean there is NO way to modify the buffer size?
> Not even by overriding some methods or extending some classes?
> On 20/10/2010 11:32 AM, Ceki Gulcu wrote:
>> Hello Dawson,
>> I suggest that you vote on http://jira.qos.ch/browse/LBCORE-170
>> Cheers,
>> On 20.10.2010 15:06, Dawson Mossman wrote:
>>> Hi, does anyone know how to change the CyclicBuffer size in the
>>> SmtpAppender? When an error occurs and an email is sent via the
>>> Appender, I only want it to show the most recent error (no contextual
>>> information required). It currently stores 256 contextual logs.
>>> Logback version: 0.9.25
>>> When I look at the source code for the SMTPAppender, there is a variable
>>> named "buffersize", but is not used anywhere in the class. The line
>>> directly below it used to use the variable, but it's been commented out.
>>> private int bufferSize = 512;
>>> //protected CyclicBuffer<ILoggingEvent> cb = new
>>> CyclicBuffer<ILoggingEvent>(bufferSize);
>>> Can I use a custom evaluator to do this? Or do I need to write a new
>>> custom SMTPAppender? Even in the later case, I'm not sure where the
>>> buffer size is being defined?
>>> Thanks,
>>> Dawson

More information about the Logback-user mailing list