Frequently Failed Error Establishing a Database Connection

I need help

Continuously crash Error Establishing A Database Connection with all websites on VPS

you should check mysql logs, location:
/var/lib/mysql/

you should check mysql logs, location:
/var/lib/mysql/

Can you give me more detailed instructions

you need to find log file in that folder, usually its called the same as your hostname with .err extension

Also, how many CPU's and RAM available on your VPS?

Also, how many CPU's and RAM available on your VPS?

When I restarted mysql in the dashboard, I fixed the error

you need to find log file in that folder, usually its called the same as your hostname with .err extension

https://drive.google.com/open?id=0B6Hy6OCfYwedR0J5dW9vRGpqTlE I find this file

by checking your mysql logs looks like you have low memory issues and you should consider about memory upgrade

you need to find log file in that folder, usually its called the same as your hostname with .err extension

I have the same problem. This is my log now, what is the problem?

I have 8GB Ram.

Code: [Select]

190110 21:33:52 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
2019-01-10 21:33:52 140203948259584 [Note] /usr/sbin/mysqld (mysqld 10.1.29-MariaDB) starting as process 31634 ...
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: The InnoDB memory heap is disabled
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Compressed tables use zlib 1.2.7
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Using Linux native AIO
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Using SSE crc32 instructions
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Initializing buffer pool, size = 5.0G
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Completed initialization of buffer pool
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Highest supported file format is Barracuda.
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: 128 rollback segment(s) are active.
2019-01-10 21:33:53 140203948259584 [Note] InnoDB: Waiting for purge to start
2019-01-10 21:33:53 140203948259584 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.36-82.2 started; log sequence number 42812232888
2019-01-10 21:33:53 140203948259584 [Note] Plugin 'FEEDBACK' is disabled.
2019-01-10 21:33:53 140197475874560 [Note] InnoDB: Dumping buffer pool(s) not yet started
2019-01-10 21:33:53 140203948259584 [Note] Server socket created on IP: '::'.
2019-01-10 21:33:53 140203948259584 [Note] /usr/sbin/mysqld: ready for connections.
Version: '10.1.29-MariaDB'  socket: '/var/lib/mysql/mysql.sock'  port: 3306  MariaDB Server
2019-01-10 21:33:57 140203869195008 [Note] /usr/sbin/mysqld: Normal shutdown

2019-01-10 21:33:57 140197501052672 [Note] InnoDB: FTS optimize thread exiting.
2019-01-10 21:33:57 140203869195008 [Note] InnoDB: Starting shutdown...
2019-01-10 21:33:58 140203869195008 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool
2019-01-10 21:34:00 140203869195008 [Note] InnoDB: Shutdown completed; log sequence number 42812926013
2019-01-10 21:34:00 140203869195008 [Note] /usr/sbin/mysqld: Shutdown complete

190110 21:34:00 mysqld_safe mysqld from pid file /var/lib/mysql/server.*******.es.pid ended