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I just enabled memcached from studio settings, www.example.com/studio/settings.php and it works perfectly on all previous versions, except this version.

my default.conf :

server {
    listen 8080 default_server;
    server_name localhost;

    root /opt/una;
    client_max_body_size 2048M;

    ###########################################################################
    ## Client Timeout                                                        ##
    ###########################################################################

    ## request timed out -- default 60
    # read timeout for the request body from client, its set for testing purpose
    client_body_timeout 3600;

    # how long to wait for the client to send a request header, its set for testing purpose
    client_header_timeout 3600;

    # server will close connection after this time
    keepalive_timeout 3600;

    ## if client stop responding, free up memory -- default 60
    send_timeout 3600;

    ## Reset lingering timed out connections. Deflect DDoS.
    ## allow the server to close connection on non responding client, this will free up memory
    reset_timedout_connection on;

    ###########################################################################
    ## Proxy Timeout                                                         ##
    ###########################################################################

    proxy_connect_timeout 3600;
    proxy_send_timeout 3600;
    proxy_read_timeout 3600;

    ###########################################################################
    ## Location /                                                            ##
    ###########################################################################

    location / {
        index index.html index.htm index.php;

        rewrite "^/page/(.*)$" /page.php?i=$1 last;
        rewrite "^/m/(.*)$" /modules/index.php?r=$1 last;
        rewrite "^/s/([a-zA-Z0-9_]+)/([a-zA-Z0-9\.]+)" /storage.php?o=$1&f=$2 last;

        if (!-e $request_filename) {
            rewrite  ^/(.+)$  /r.php?_q=$1  last;
            break;
        }

        # Block requests with suspicious patterns
        #if ($query_string ~* "(\%60|\%7C|\%26|\%24|\%3B|\%28|\%29)") {
        #return 403;
        #}
    }


    index index.php index.html index.htm;

    location ~ \.php$ {
        fastcgi_pass php:9000;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;

        # Timeout
        fastcgi_connect_timeout 3500;
        fastcgi_send_timeout 3500;
        fastcgi_read_timeout 3500;

        # Buffers
        fastcgi_buffer_size 128k;
        fastcgi_buffers 8 256k;
        fastcgi_busy_buffers_size 512k;
        fastcgi_temp_file_write_size 512k;
    }

    ###########################################################################
    ## serve static files directly Tanks to Alex T https://una.io/u/alex-t   ##
    ###########################################################################
   
    location ~* ^(/cache_public/|/plugins_public/|/modules/|/studio/|/template/).+\.(jpg|jpeg|gif|css|png|js|ico|svg|eot|ttf|woff|woff2|)$ {
        access_log        off;
        expires           1h;
        # root /opt/una
        # add_header Cache-Control "public";
        try_files       $uri =404;
    }

    ###########################################################################
    ## deny access to hidden files                                           ##
    ###########################################################################

        location ~ /(\.ht|\.git) {
        deny  all;
    }

    ###########################################################################
    ## deny access to specific folders                                       ##
    ###########################################################################

    location ~ ^/(cache/|storage/|logs/|plugins/|tmp/) {
        deny  all;
    }

    ###########################################################################
    ## Memcached Integration                                                 ##
    ###########################################################################

    location /memcached {
        # Example using just the URI as the key
        # set $memcached_key $uri;
        # Set the Memcached key with the prefix
        # set $memcached_key "${key_prefix}${uri}${is_args}${args}";

        # Example with query parameters included
        #set $memcached_key $uri$is_args$args;

        # Example with a custom key
	    # set $memcached_key "key-$uri-$arg_user_id";
        set $key_prefix "site1_";
        set $memcached_key "${key_prefix}${uri}${is_args}${args}";

        # Pass the key to the Memcached server
        memcached_pass dragonflydb_cluster;

        # Define the response type
        default_type application/json;

        # Handle errors
        error_page 404 = /memcached_not_found;
    }

    location = /memcached_not_found {
        return 404 "{\"error\": \"Not found in Memcached\"}";
    }
}

my mecached.conf

upstream dragonflydb_cluster {
    server 127.0.0.1:11211;
    server 127.0.0.1:11212;
    server 127.0.0.1:11213;
}

And indeed I have a cache for requests in front of the site, It's still experimental but it speeds up my website

my reverse proxy: https://github.com/kabballa/una-reverse-proxy

The message comes from the sys_ai_log. I accessed the chat directly from the top header icon in the studio using GPT-4. I asked a few questions to test its responses. However, the chat wasn’t very smooth—it seemed to freeze at times, and the replies came in bursts. Because of this, I disabled it. I also noticed that the conversations were posted to the public outline/timeline. I was the only user on the site, which was running on a deicated server with an i5 processor, 8 cores, SSD, 64GB of RAM, and a 1Gb/s connection. The site itself loaded quickly and worked flawlessly, with memcached, nginx-proxy, and a Caddy reverse proxy in front. Despite this, the chat with ChatGPT was slow. Unfortunately, I can't reproduce the issue because I deleted the site; it was just a test upgrade from B2 to RC1, and the problem happened after the upgrade. Now I plan to do a clean install of RC1 to check its performance. It’s possible the issues were caused by the update, as there were other problems as well, so I can’t directly blame ChatGPT or the AI app. My custom config here:

custom Dockerfile:

FROM php:8.1-fpm


RUN apt-get update && apt-get install -y \
        cron \
        libfreetype6-dev \
        libjpeg62-turbo-dev \
        libmcrypt-dev \
        libpng-dev \
        libonig-dev \
        libmagickwand-dev \
        libzip-dev \
        unzip \
        libmemcached-dev \
        zlib1g-dev \
        libssl-dev \
    && docker-php-ext-configure gd --with-freetype --with-jpeg \
    && docker-php-ext-install -j$(nproc) gd \
    && docker-php-ext-install -j$(nproc) pdo pdo_mysql mysqli \
    && docker-php-ext-install -j$(nproc) zip exif opcache iconv mbstring \
    && pecl install xdebug && docker-php-ext-enable xdebug \
    && pecl install mcrypt-1.0.3 && docker-php-ext-enable mcrypt \
    && pecl install imagick-3.7.0 \
    && pecl install memcached \
    && docker-php-ext-enable imagick memcached

memcached.conf

upstream memcached_server {
    server 127.0.0.1:11211;
    # Alte servere Memcached pot fi adăugate aici, dacă este cazul
}

rate_limit.conf

# rate_limit.conf
limit_req_zone $binary_remote_addr zone=mylimit:10m rate=10r/s;

nginx default.conf

server {
    listen 90 default_server;
    server_name localhost;


    root /opt/una;
    access_log  /var/log/nginx/access.log;                                                                                                                                                       
    error_log  /var/log/nginx/error.log;


    client_max_body_size 1024M;


    ###########################################################################
    ## Client Timeout                                                        ##
    ###########################################################################


    ## request timed out -- default 60
    # read timeout for the request body from client, its set for testing purpose
    client_body_timeout 3600;


    # how long to wait for the client to send a request header, its set for testing purpose
    client_header_timeout 3600;


    # server will close connection after this time
    keepalive_timeout 3600;


    ## if client stop responding, free up memory -- default 60
    send_timeout 3600;


    ## Reset lingering timed out connections. Deflect DDoS.
    ## allow the server to close connection on non responding client, this will free up memory
    reset_timedout_connection on;


    ###########################################################################
    ## Proxy Timeout                                                         ##
    ###########################################################################


    proxy_connect_timeout 3600;
    proxy_send_timeout 3600;
    proxy_read_timeout 3600;


    ###########################################################################
    ## Location /                                                            ##
    ###########################################################################




    location / {
        index index.html index.htm index.php;


        rewrite "^/page/(.*)$" /page.php?i=$1 last;
        rewrite "^/m/(.*)$" /modules/index.php?r=$1 last;
        rewrite "^/s/([a-zA-Z0-9_]+)/([a-zA-Z0-9\.]+)" /storage.php?o=$1&f=$2 last;


        if (!-e $request_filename) {
            rewrite  ^/(.+)$  /r.php?_q=$1  last;
            break;
        }


        # Block requests with suspicious patterns
        #if ($query_string ~* "(\%60|\%7C|\%26|\%24|\%3B|\%28|\%29)") {
        #return 403;
        #}


    }


    index index.php index.html index.htm;


    location ~ \.php$ {
        fastcgi_pass php:9000;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;


        # Adăugați aceste setări de timeout
        fastcgi_connect_timeout 3600;
        fastcgi_send_timeout 3600;
        fastcgi_read_timeout 3600;
        fastcgi_buffer_size 128k;
        fastcgi_buffers 4 256k;
        fastcgi_busy_buffers_size 256k;
        fastcgi_temp_file_write_size 256k;
    }


    ###########################################################################
    ## HSTS policy                                                           ##
    ###########################################################################
    #add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    #add_header X-Frame-Options "SAMEORIGIN" always;
    #add_header X-XSS-Protection "1; mode=block" always;
    #add_header X-Content-Type-Options "nosniff" always;
    # add_header Content-Security-Policy "default-src 'self'" always;
    #add_header Referrer-Policy "strict-origin-when-cross-origin" always;


    ###########################################################################
    ## serve static files directly Tanks to Alex T https://una.io/u/alex-t   ##
    ###########################################################################
   
    location ~* ^(/cache_public/|/plugins_public/|/modules/|/studio/|/template/).+\.(jpg|jpeg|gif|css|png|js|ico|svg|eot|ttf|woff|woff2|)$ {
        access_log        off;
        expires           1h;
        # root /opt/una
        # add_header Cache-Control "public";
        try_files       $uri =404;
    }


    ###########################################################################
    ## deny access to hidden files                                           ##
    ###########################################################################
    
    location ~ /(\.ht|\.git) {
        deny  all;
    }


    ###########################################################################
    ## deny access to specific folders                                       ##
    ###########################################################################
    
    location ~ ^/(cache/|storage/|logs/|plugins/|tmp/) {
        deny  all;
    }


    ###########################################################################
    ## Memcached Integration                                                 ##
    ###########################################################################


    location /memcached {
        # Example using just the URI as the key
        # set $memcached_key $uri;


        # Example with query parameters included
        # set $memcached_key $uri$is_args$args;


        # Example with a custom key
        set $memcached_key "key-$uri-$arg_user_id";


        # Pass the key to the Memcached server
        memcached_pass memcached_server;


        # Define the response type
        default_type application/json;


        # Handle errors
        error_page 404 = /memcached_not_found;
    }


    location = /memcached_not_found {
        return 404 "{\"error\": \"Not found in Memcached\"}";
    }


    ###########################################################################
    ## Permissions-Policy and CORS                                           ##
    ###########################################################################
    #add_header Permissions-Policy "accelerometer=(), autoplay=(), camera=(), encrypted-media=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), sync-xhr=(), usb=(), ch-ua-form-factor=('self' 'https://accounts.google.com')" always;
    #add_header Access-Control-Allow-Origin "https://www.googleapis.com https://accounts.google.com https://maps.googleapis.com https://www.coozila.com https://coozila.com https://agi.coozila.com https://onesignal.com" always;
    #add_header Access-Control-Allow-Credentials "true" always;
    #add_header Access-Control-Allow-Headers "Content-Type, Authorization, X-Requested-With" always;
}

my custom php.ini

; Memcached extension configuration
[memcached]
; Memcached extension configuration

; Specify the serializer for Memcached
memcached.serializer = php

; Specify the session prefix for Memcached
memcached.sess_prefix = memc.sess.key.

; Enable binary protocol for Memcached sessions
memcached.sess_binary = On

; Use SASL authentication for Memcached (0 = disable, 1 = enable)
memcached.use_sasl = 0

; Minimum waiting time for session lock acquisition (in milliseconds)
memcached.sess_lock_wait_min = 150

; Maximum waiting time for session lock acquisition (in milliseconds)
memcached.sess_lock_wait_max = 150

; Maximum size of POST data that PHP will accept.
post_max_size = 1024M

; Maximum allowed size for uploaded files.
upload_max_filesize = 1024M

; Maximum execution time of each script, in seconds
max_execution_time = 3600

; Maximum amount of time each script may spend parsing request data
max_input_time = 3600

; Maximum amount of memory a script may consume
memory_limit = 1024M

; Maximum number of files that can be uploaded via a single request
max_file_uploads = 50

; Enable HTML error handling
html_errors = On

; String to output before an error message
error_prepend_string = "
"

; String to output after an error message
error_append_string = "
"

[opcache]
; Enables the opcode cache for PHP
opcache.enable = 1

; Frequency of checking for updated files (0 = never)
opcache.revalidate_freq = 0

; Validates cached files with timestamp checks
opcache.validate_timestamps = 1

; Maximum number of files that can be cached in memory
opcache.max_accelerated_files = 100000

; Memory consumption by the opcode cache (in MB)
opcache.memory_consumption = 72

; Maximum wasted memory percentage before restart
opcache.max_wasted_percentage = 20

; Size of the interned strings buffer (in MB)
opcache.interned_strings_buffer = 16

; Allows for faster shutting down of the opcode cache
opcache.fast_shutdown = 1

display_errors = On
error_reporting = E_ALL

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