ci: 【iThome 2023 CIO大調查系列6：DevOps篇】臺灣大型企業DORA指標評比分析：CD能力有國際水準，但CI能力明顯不足
: file_get_contents(aCache//aaa/nav/PT.txt): Failed to open stream: No such file or directory in
: Uncaught mysqli_sql_exception: Too many connections in /var/www/hoodb/function.php:268
Stack trace:
#0 /var/www/hoodb/function.php(268): mysqli_connect()
#1 /var/www/hoodb/function.php(274): db()
#2 /var/www/hoodb/function.php(290): select()
#3 /var/www/hoodb/function.php(108): daCache()
#4 /var/www/hoodb/redirect.php(241): showNav()
#5 /var/www/hoodb/route.php(53): include_once('...')
#6 /var/www/hoodb/route.php(20): go()
#7 {main}
thrown in