OOM command not allowed when used memory > 'maxmemory'.
#0 /web/yuanxiao.silischool.local/app/repositories/StuSchoolRepo.php(18): Redis->set('search_area=407...', '{"items":[],"fi...', 3600)
#1 /web/yuanxiao.silischool.local/app/controllers/IndexController.php(205): StuSchoolRepo->get_list(Array)
#2 [internal function]: IndexController->searchAction('3-16-0-2-407')
#3 [internal function]: Phalcon\Dispatcher->callActionMethod(Object(IndexController), 'searchAction', Array)
#4 [internal function]: Phalcon\Dispatcher->dispatch()
#5 /web/yuanxiao.silischool.local/public/index.php(207): Phalcon\Mvc\Application->handle()
#6 {main}