Fatal error: Uncaught RedisException: OOM command not allowed when used memory > 'maxmemory'. in /www/wwwroot/yunzhan365.com/private_html/work/RedisControl.class.php:131 Stack trace: #0 /www/wwwroot/yunzhan365.com/private_html/work/RedisControl.class.php(131): Redis->set('book_48898808', 87288) #1 /www/wwwroot/yunzhan365.com/private_html/work/BookControl.class.php(961): work\RedisControl->set('book_48898808', 87288) #2 /www/wwwroot/yunzhan365.com/public_html/center/explore/showbook.php(70): work\BookControl->setBookInfoRedis(Array) #3 {main} thrown in /www/wwwroot/yunzhan365.com/private_html/work/RedisControl.class.php on line 131