in backends/disk.js [46:57]
function createStream(meta, opts) {
var fileName = meta.team + '-' + meta.project + '.log';
var logger = new DailyRotateFile({
filename: path.join(this.folder, fileName),
datePattern: '-yyyyMMdd',
json: this.json
});
return LoggerStream(logger, {
highWaterMark: opts.highWaterMark
});
};