Switch 'fs.appendFileSync' to 'fs.appendFile' and optimize 'getSessionsCached' to reduce DB access. Co-authored-by: Jason <159670257+Jasonzhu1207@users.noreply.github.com>
Switch 'fs.appendFileSync' to 'fs.appendFile' and optimize 'getSessionsCached' to reduce DB access. Co-authored-by: Jason <159670257+Jasonzhu1207@users.noreply.github.com>