All Questions
749
questions
0
votes
0
answers
107
views
My PHP sites do not work with mysql router
I recently set up a mysql innodb cluster, and have configured mysqlrouter to sit in front of it.
On my PHP applications, if I change the port from 3306 to 6446, the application hangs when it tries to ...
- 239
0
votes
0
answers
33
views
MacOS MySQL Client Gets Stuck on Query That is a Certain Size
My MySQL client gets stuck on a query when the output is a certain size. When it's small enough, the query will successfully output. The client is connecting to a remote server (Ubuntu 18.04). When I ...
1
vote
1
answer
114
views
Memory consumption on virtual server too large for applications being run
I have a Linux Ubuntu virtual server at Digital Ocean with the following specs: 1 vCPU, 2GB of memory, and 25GB of SSD storage.
The server is running a single WordPress website with around 400 unique ...
- 141
0
votes
0
answers
44
views
Web server returning high number of 502 and 504s
We have a web application (LAMP stack) with traefik as a reverse proxy that is suddenly giving HTTP 502 and 504 errors on >50% of requests, both for static files and php scripts. In the traefik ...
- 101
0
votes
1
answer
118
views
Remote MySQL server returning: MySQL server has gone away / Error while sending QUERY packet
I have 2 servers (both running Ubuntu 12.04)
APP server
running apache2, PHP7.2 and a CakePHP 2.0 APP
DATABASE server
running mysql 5.7
When I'am trying to insert into the database a big blob (...
- 1
0
votes
1
answer
197
views
Frequent server downtime and suspicious server hits to access random Pdf files
Our Server hosting PHP web application is facing frequent downtime
Server Information [Nginx, FreeBSD] Web application [PHP 5.6, MYsql 5.7]
I have gone through the Nginx logs and below are my findings
...
- 101
0
votes
1
answer
301
views
which memory limit applies when php performs a MySQL query
If I run php as FPM, I can set my memory limit in php.ini or .user.ini. PHP can perform a MySQL query, and I can set memory limits in /etc/my.cnf for for instance the innodb buffer pool. If PHP runs ...
- 95
0
votes
2
answers
278
views
CPU Usage 98% /usr/sbin/mysqld and server down
How to solve this issue. php codeigniter framwork
Everyday our server goes down because of these issue.
CPU usage 98 % Ram used 21 083 MB /usr/sbin/mysqld
0
votes
1
answer
405
views
Diagnosing mySQL Random CPU Spikes
Our organization has a fairly advanced (as in many moving pieces) web application that's been working great up until recently, yet no noticeable changes have been made.
There is the Apache Web Server, ...
1
vote
1
answer
194
views
PHP-FPM static max_children amount doesn't seem to matter much during stress tests
I've been stress testing PHP-FPM set up as static using wrk, with NGINX running on Ubuntu Server 22.04 for the past few days, writing down results for every scenario. When I look at them, it seems to ...
0
votes
0
answers
72
views
Configure xenforo 1.2.9 Using phpmyadmin 4.x with php 5.6.4 on IIS 10, Windows Server 2019
Versions/Programs:
xenforo 1.2.9, phpmyadmin 4.x, php 5.6.4, MySQL 8.0.32 IIS 10, Windows Server 2019
I am trying to host a local server for tinkering on an old computer I have. This server will be ...
- 1
0
votes
1
answer
136
views
phpinfo not showing mysql, pages that require mysql connection is giving HTTP 500
I am running php 5.4.16 on a rhel 7.9 webserver (httpd 2.4.6).
When doing phpinfo(), there is no mysql section.
Php pages that require a connection to the mysql database are giving error 500.
Example ...
- 101
1
vote
0
answers
143
views
Nginx - Server dead when received many requests
we have a large Woocommerce website hosted on Google VM servers (E2 4vCPU + 32 GB RAM + 100 GB SSD Storage), recently we created a mobile application using flutter and WordPress -Woocommerce- API, but ...
google-compute-engine
0
votes
0
answers
38
views
Two application installations from APS catalog fails on Plesk for Windows Server: The 'mysql' extension was not found
Please excuse, if this is the wrong place to post this question, I didn't know better.
I'm using Windows Server 2022 and Plesk Obsidian Version 18.0.48. I try to install two applications via Plesk ...
- 1
0
votes
1
answer
417
views
Unable to connect to server following phpMyAdmin upgrade from 5.1 to 5.2
Not sure to post on the right StackExchange forum. If not, let me know!
Working environment:
OpenSUSE Leap 15.4
MariaDB : mariadb Ver 15.1 Distrib 10.7.7-MariaDB
PHP 8.0.25 (cli) (built: Oct 31 2022 ...
- 75
0
votes
0
answers
271
views
IIS FastCGI configuration for high concurrency
I am hosting, on Windows Server 2022, a web application that makes regular ajax calls to a PHP backend.
The calls themselves are quite light, just pulling and pushing data from and to a MySQL db.
Over ...
- 189
1
vote
1
answer
251
views
What might cause a PDO MySQL connection to be terminated?
Summarize the problem
My PDO (MySQL) connection is disconnected during execution of the code.
The connection is created successfully, but around 0.05% of the time the Error log reports a disconnection....
- 111
0
votes
1
answer
348
views
MySQL + php due to high CPU usage app crashing
Just recently the application that I maintain started crashing, mysql's CPU usage is 100%... or more :)
The application itself is quite old and has a lot of slow queries but before blaming it I want ...
- 133
0
votes
0
answers
142
views
Blank page with 500.0 response for index.php when loging it
The page will work normally but as soon as you press login or sign-up, goes to a blank page and in element inspect you can see a 500 response from the server
I've tried many different login/sign-up ...
0
votes
0
answers
307
views
Understanding slow queries from mysqldumpslow
I'm maintaining a system which sporadically (no exact time) but only at night causes the entire server to crash for a few seconds and the users seeing "Error Connection Refused" until the ...
0
votes
1
answer
448
views
Single Signon best practice for phpMyAdmin across multiple servers
I run a small web development company and we run multiple production servers, each with their own MySQL database server. I'm trying to figure out the best way of giving access to these separate MySQL ...
- 101
0
votes
2
answers
41
views
Add to mysql db instead of restore
*EDIT/UPDATE
I have an RPI4 with mysql. I need to collect all the data from the "zm" database, and ADD it to another database of the same name on another server, so NO data on the 2nd server ...
- 23
0
votes
1
answer
673
views
phpMyAdmin: change bind address of MySQL on phpmyadmin
How do I change the bind address of a mysql databse through phpmyadmin?
I am new at this and really dont know what I am doing.
- 3
0
votes
0
answers
42
views
Page Loads Error
In my production Environment I'm observing a sporadic issue where pages are taking a long time to load. In the error logs we are seeing:
PHP Fatal error: Maximum execution time of 30 seconds ...
0
votes
0
answers
722
views
Best practices to troubleshoot stuck php application due to internal curl calls to unresponsive endpoints
Recently I found myself with a website (Prestashop e-commerce on a Centos PHP-FPM /Apache / MySql machine ) that was down and not responding to web requests.
After investigation, issue was due to an ...
- 121
2
votes
1
answer
870
views
MYSQL is at 197% CPU usage ~ not allowing site to run
Spec: 8 GB memory / 4 vCPUs / 25 GB ssd
Ubuntu 20.04
My website got hit with a DDoS recently and had this continuous high CPU usage error for 4 days and the site will not load up, I take a look using ...
- 21
1
vote
0
answers
396
views
Can't access phpmyadmin and local localhost:8000 with two errors for each of them
Recently reinstalled Ubuntu 21.04 on my computer and installed php8 and Nginx.
I run the server for Laravel and when I go to localhost:8000 I got this error:
Illuminate\Database\QueryException
could ...
- 111
0
votes
1
answer
115
views
Is the slow down due to traffic every day near 12 pm
I checked the slow logs and I got only 4 queries in 2 hours and all of them were similar to this:
"SELECT HEX(uhash) AS uhash, vehid, IF(deleted = 0 AND follow_price_drop = 1, 1, 0) AS ...
- 187
1
vote
2
answers
4k
views
What could cause blocked requests in IIS?
I'm using IIS on Windows Server 2016 with MySQL and PHP on two almost identical servers. I've recently noticed a slowdown on one of my two servers but it happens only when my site tries to execute ...
- 808
0
votes
0
answers
614
views
PhpStorm Laravel trying to connect to MySQL database throws java.net.ConnectException: Connection refused: connect
I am trying to set up a laravel project in phpstorm but fail at connecting to a mysql database. These are the steps I've taken so far:
download and install composer, vagrant and virtualbox
create ...
0
votes
1
answer
644
views
Mysqli access denied , using UNIX socket [duplicate]
I am trying to learn PHP, and I am setting up the database connection.
On Mysql Workbench, I created a database called php, and created a table.
Then I created the account "sam"@"...
- 25
-1
votes
1
answer
208
views
Adjust server configuration [PHP, Laravel, mysql, nginx] for serve great number of user [duplicate]
I have a Laravel PHP webapp that shows analytics data in Angular frontend to users.
User can only show content, plots and tables.
I have written 3 laravel commands that hourly download and store data ...
- 101
0
votes
1
answer
233
views
How to debug an unreachable (from the wan side) lemp server tunneling through an AWS based Openvpn-AS instance
Ive been wracking my brains out for weeks trying to debug a once perfectly functioning LEMP web server.
I'm using a relatively complicated setup. Lets start with my setup from the beginning when ...
- 83
0
votes
0
answers
3k
views
MariaDB Error Reading Communication Packets
I have a problem. When I split my MariaDB from main server to another server (my database server is running MariaDB docker from latest tag) I got an error:
Got an error writing communication packets
...
- 1
1
vote
0
answers
590
views
Mysql in Nginx takes over 100% CPU
I have a Laravel application running on my Ubuntu 18.04 server and MySql 5.7.
Sometimes, it is very slow.
I have checked with "top" command and this is the result:
Some times %cpu raises ...
- 111
1
vote
0
answers
488
views
Long time running PHP script on Apache with separate MySQL server restarting without manual refresh
We're currently making a migration and experiencing a problem we're curious on solving correctly.
Our setup is a separate web server running Apache 2.4 and a database server running MySQL 5.7. We have ...
- 11
1
vote
1
answer
1k
views
Multiple long running mysqld processes
today i've checked our server status with htop and i saw somethig that i could not believe.
Could someone please answer me the following questions?
Why are there so much mysqld processes?
Why they ...
- 13
0
votes
1
answer
2k
views
Original php mysql extension for php56
First a note: Yes, I'm well aware this extension in deprecated and has a ton of security flaws, I'm duplicating a clients active server in docker for recovery and migration (after client's server was ...
- 109
2
votes
1
answer
159
views
MariaDB 10.2.35 Memory Spikes
On an AWS EC2 T3.large instance I'm hosting a website built with the Cake PHP framework. It utilises the MariaDB version 10.2.35. I'm having an issue whereby the memory for the server is spiking.
When ...
- 43
0
votes
0
answers
267
views
PHP memory size exhausted in drupal
FastCGI sent in stderr: "PHP message: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 137612647 bytes)
Already I increase 2 times in php.ini file. But again ...
1
vote
0
answers
74
views
website server starting to get traffic
I have a website that's a lot like Bitly, a short url site and it has started to gain a lot of traction lately. The website is about 100MB and the mysql database around 6GB. I run the server on a VPS ...
- 23
0
votes
0
answers
61
views
Preventative config settings to ensure long-running PHP scripts don’t create hanging MySQL transactions and failure
I’d like to know if there is a PHP/MySQL configuration option (or combination of options) that can prevent long-running PHP scripts in a small number of places from creating hanging and sleeping MySQL ...
- 113
1
vote
0
answers
5k
views
Unable to load dynamic library 'mysqli' - Debian 10
I'm setting up a webserver, using Debian 10, Apache2, PHP7.3, MariaDB and PHPMyAdmin.
When i start Apache2 it wil say:
PHP Warning: PHP Startup: Unable to load dynamic library 'mysqli' (tried: /usr/...
- 11
0
votes
0
answers
31
views
mysql/apache/php over windows 10 or over dockers for windows
I would like to know what would be more efficient (speed and memory mainly), run apache/php/mysql windows 10 versions over windows 10 or also under windows 10 run apache, php and mysql dockers.
I will ...
- 101
1
vote
0
answers
33
views
What is the best way to maintain application logs
We have an SaaS application (LAMP stack) hosted in-house, used by thousands of clients on daily basis. Application generates logs (whether an error occurs or certain events happens inside the ...
- 111
1
vote
0
answers
335
views
why apache response very slow when traffic goes high?
I have a news android application which is workes on API as backend (admin panel) on symfony (PHP Frameworks).
When i send push notification API (Firebase) to my user my server response very slow. ...
- 11
0
votes
0
answers
691
views
When too many concurrent connection to MySQL, all Apache-PHP site unable connect to DB
I'm using RDS from amazon, and tuned the MySQL config to the max.
However, all the site will be stop connecting to the MySQL when the number of connection reached a certain numbers of activities. It's ...
- 1
1
vote
0
answers
338
views
Number of MySQL connections spikes, but no spike in number of queries
I am running LAMP stack with CakePHP and MySQL compatible AWS Aurora instance. The Aurora instance is set up with a writer and read replica. Using CakePHP request routing, the read replica is only set ...
- 67
1
vote
1
answer
91
views
Legacy php app - what's the correct order to update things? [closed]
I have a legacy PHP application running on:
HTTP 1.0
Apache 2.4.10
PHP 5.4.45
MySQL 5.5.42
I have an open source framework which the previous team have manually been writing changes into, so we ...
- 145
1
vote
0
answers
44
views
How do I secure my PHP forms that communicate with my MySQL Server? [closed]
They are just the basic forms, they take in $input from the form and then store that directly in to the database, there is another form where it takes $input and searches for a hashed match for it.
...
- 11