whenever i purge my cache my site can't be accessed
I'm using cache and cloudflare, i purge my cache thru cloudflare
I have 700-1k users per minute base on GA4
I have these a lot of error log on my access log
2024/02/13 12:52:12 [error] 604077#0: *1755 connect() to unix:/tmp/php-cgi-74.sock failed (11: Resource temporarily unavailable) while connecting to upstream, client: **IP**, server: site.com, request: "GET /category/post/ HTTP/2.0", upstream: "fastcgi://unix:/tmp/php-cgi-74.sock:", host: "site.com", referrer: "https://site.com/genre/category/"
do i have to upgrade my website?
Here's my server
CPU: Intel® Xeon® E-2288G 8x 3.70 GHz (до 5.00 GHz Turbo Boost) / 16 Threads
CPU Performance Index: 17320
480 GB SSD
32 GB DDR4