mariadb – Does binary logging apply to ColumnStore?

When binary logging is enabled, does MariaDB’s binary logging also record ColumnStore events, and not just InnoDB events? For example, does it log an UPDATE made to a ColumnStore table row?

I’ve searched the MariaDB documentation and it doesn’t mention whether binary logging applies only to some, but not all, storage engines. Is binary logging independent of the storage engine used?

mysql – MariaDB crashed: Unknown/unsupported storage engine: InnoDB

I’ve a Debian GNU/Linux 9 (4GB, 2 CPUs) on Digitalocean. Tonight (I’ve done nothing) my DB (mariaDB) crashed with this errors. I ran a wordpress with InnoDB and myISAM tables:

2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Using mutexes to ref count buffer pool pages
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: The InnoDB memory heap is disabled
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Mutexes and rw_locks use GCC atomic builtins
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Compressed tables use zlib 1.2.8
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Using Linux native AIO
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Using SSE crc32 instructions
2020-10-17  0:51:18 140430430813568 (Note) InnoDB: Initializing buffer pool, size = 500.0M
InnoDB: mmap(549126144 bytes) failed; errno 12
2020-10-17  0:51:18 140430430813568 (ERROR) InnoDB: Cannot allocate memory for the buffer pool
2020-10-17  0:51:18 140430430813568 (ERROR) Plugin 'InnoDB' init function returned error.
2020-10-17  0:51:18 140430430813568 (ERROR) Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2020-10-17  0:51:18 140430430813568 (Note) Plugin 'FEEDBACK' is disabled.
2020-10-17  0:51:18 140430430813568 (ERROR) **Unknown/unsupported storage engine: InnoDB**
2020-10-17  0:51:18 140430430813568 (ERROR) Aborting


My full DB conf:

#
# These groups are read by MariaDB server.
# Use it for options that only the server (but not clients) should see
#
# See the examples of server my.cnf files in /usr/share/mysql/
#

# this is read by the standalone daemon and embedded servers
(server)

# this is only for the mysqld standalone daemon
(mysqld)

#
# * Basic Settings
#
user        = mysql
pid-file    = /var/run/mysqld/mysqld.pid
socket      = /var/run/mysqld/mysqld.sock
port        = 3306
basedir     = /usr
datadir     = /var/lib/mysql
tmpdir      = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking

# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address        = 127.0.0.1

#
# * Fine Tuning
#
key_buffer_size     = 16M
max_allowed_packet  = 16M
thread_stack        = 192K
thread_cache_size       = 8
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched
myisam_recover_options  = BACKUP
#max_connections        = 100
#table_cache            = 64
#thread_concurrency     = 10

innodb_buffer_pool_instances = 1
innodb_buffer_pool_size = 500M
max_heap_table_size     = 25M
tmp_table_size          = 25M
#log_slow_queries        = /var/log/mysql/mysql-slow.log
#long_query_time = 2
#log-queries-not-using-indexes

#
# * Query Cache Configuration
#
query_cache_limit   = 2M
query_cache_size        = 50M

#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# As of 5.1 you can enable the log at runtime!
#general_log_file        = /var/log/mysql/mysql.log
#general_log             = 1
#
# Error log - should be very few entries.
#
log_error = /var/log/mysql/error.log
#
# Enable the slow query log to see queries with especially long duration
#slow_query_log_file    = /var/log/mysql/mariadb-slow.log
#long_query_time = 10
#log_slow_rate_limit    = 1000
#log_slow_verbosity = query_plan
#log-queries-not-using-indexes
#
# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
#       other settings you may need to change.
#server-id      = 1
#log_bin            = /var/log/mysql/mysql-bin.log
expire_logs_days    = 10
max_binlog_size   = 100M
#binlog_do_db       = include_database_name
#binlog_ignore_db   = exclude_database_name

#
# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!

#
# * Security Features
#
# Read the manual, too, if you want chroot!
# chroot = /var/lib/mysql/
#
# For generating SSL certificates you can use for example the GUI tool "tinyca".
#
# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem
#
# Accept only connections using the latest and most secure TLS protocol version.
# ..when MariaDB is compiled with OpenSSL:
# ssl-cipher=TLSv1.2
# ..when MariaDB is compiled with YaSSL (default in Debian):
# ssl=on

#
# * Character sets
#
# MySQL/MariaDB default is Latin1, but in Debian we rather default to the full
# utf8 4-byte character set. See also client.cnf
#
character-set-server  = utf8mb4
collation-server      = utf8mb4_general_ci

#
# * Unix socket authentication plugin is built-in since 10.0.22-6
#
# Needed so the root database user can authenticate without a password but
# only when running as the unix root user.
#
# Also available for other users if required.
# See https://mariadb.com/kb/en/unix_socket-authentication-plugin/

# this is only for embedded server
(embedded)

# This group is only read by MariaDB servers, not by MySQL.
# If you use the same .cnf file for MySQL and MariaDB,
# you can put MariaDB-only options here
(mariadb)

# This group is only read by MariaDB-10.1 servers.
# If you use the same .cnf file for MariaDB of different versions,
# use this group for options that older servers don't understand
(mariadb-10.1)

Here my first page of htop
htop result after some minutes
Could not export/copy htop result.

I would be happy if you could help me out!!

Thanks a lot
M

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innodb – Cannot drop empty database in mariadb

I am having trouble dropping a database on my server
innodb-file-per-table is set to true

We previously had a huge table (1TB) which we used a drop table command. This result i believe was successfully completed but left a file called #sql-ib116.ibd in the directory.

We have completely cleared out the db, but when i issue a drop database dbname, it seems to be stuck in the “closing tables” phase

I then tried to create a frm equivalent and drop the table using this guide to no avail
https://mariadb.com/resources/blog/get-rid-of-orphaned-innodb-temporary-tables-the-right-way/

Im running out of server space and would ideally like manually remove the idb file
If i delete the file from the datadir, will this cause issues? im not worried about the data in this idb file. I also many other databases in this mariadb instance, will deleting affect the remaining?

Any ideas would be fantastic!
Thanks

mysql – Problema de conecção do web sit na mariadb não conecta

Sei que parece um pouco estranho mas este probleminha veio me pertubar a dias, meses..kkk
enfim quem puder me ajudar juro que vou guardar no coração !

Maquina: Freebsd: Versão 11.4-RELEASE-p4
Versao mariadb: 10.3.11-MariaDB
Portas Firewall aberta: 3306 all todas outras,
Local da Maquina : Google cloud
Dedicado: 2cpus 4 ram

Comprei 2 host fora do google cloud !
Hostes de hospedagem Comprados
Linux IP xxxxx
windos IP XXXXX

Resumo:
-Para se ter Um IP fixo no google cloud é preciso criar um estatico , entao o servidor freebsd usa Um ip Estatico e um IP interno que só serve apenas para ser interno .

-Com este IP eu tenho acesso a todos conteudos SSH (Navicat), Pront etc…

-Navicat para quem nao conhece é um metodo de acesso Remoto a minhas datas bases da Mysql mariadb.
Eu consigo acesso por ele em meu pc apenas se eu conter um usuario root@’%’ ao inves de root@’Host’
Já tentei
root@’Ip da extatico’
root@’Ip da maquina’
Instalaçao da Maria db foi feita mysql_securi corretamente.

-Nesta Maquina eu ja consendi os seguintes comandos ‘Flush privileges Grant all etc..” Para todos os usuarios Criados Novos como antigos “root” .

Direto ao ponto.
Eu Tenho 2 host de hospedagem de website para testes. Eu nao consigo conectar com nenhuma das contas de usuario para eu ter acesso a minha DB “database”

Minha Config do website estão configuradas certas se eu coloco via apache o site dentro do Freebsd funciona normalmente ,porem nao posso mantelo lá.

Eu preciso fazer um usuario que se conecte de um host fora do google que consiga se conectar na minha freebsd Google cloud !

Por gentileza se algem puder me mandar detalhado comandos ou como resolver ficaria muito feliz pois tamben sou neigo no assunto!.

Obrigado Mais Uma vez descupe pelos erros de portugues ou até mesmo o Texto gigante…
Se caso quiserem mais detalhes
whats app: 47 991340747
Skype: frison123

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  • Includes Cloudflare CDN
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If you have any questions about our services or would like to request a custom package please send us a Ticket or email us at (email protected)
We also have a live chat link on the side of our website.

 

MySQL and MariaDB both hanging up with any driver when connecting from a remote client to my VPS

What I did:

1- Changed the bind-address to 0.0.0.0. It didn’t work. Then I commented it out. It didn’t work.

2- Enabled and disabled skip-networking to no avail.

3- My users are using native password. Hosts are all %.

4- I restart using systemctl every time I make a change to my.cnf.

My VPS runs Ubuntu. I install MySQL using PPA.

I tried using mysql-client on my server and use -h my.server.ip and it worked.

What actually happens on my PC is that, using DBeaver’s JDBC, it hangs up on testing. Using mysql-client, it hangs up on authenticating.

I here’s a tcpdump of 3306 port whilst my client connects using mysql -h host -u user -p:

12:57:11.242560 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078215323 ecr 3502272836,nop,wscale 7], length 0
12:57:12.272743 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078216354 ecr 3502272836,nop,wscale 7], length 0
12:57:14.288784 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078218370 ecr 3502272836,nop,wscale 7], length 0
12:57:18.352735 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078222434 ecr 3502272836,nop,wscale 7], length 0
12:57:26.544777 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078230626 ecr 3502272836,nop,wscale 7], length 0
12:57:42.672785 IP static.124.162.63.178.clients.your-server.de.mysql > 107-175-213-107-host.colocrossing.com.45414: Flags [S.], seq 563569178, ack 1663255156, win 65160, options [mss 1460,sackOK,TS val 3078246754 ecr 3502272836,nop,wscale 7], length 0

mysql – Connect mariadb using python on a remote machine

My mariadb process is running as below on a Remote machine. Both my local & remote are linux servers

/azperm/bin/mysqld --defaults-file=/azperm/var/mysql/etc/my.cnf --ssl-ca=/azperm/var/pki/ca.pem --ssl-key=/azperm/var/pki/key.pem --ssl-cert=/azperm/var/pki/cert.pem

How do I connect to it using python script. Then run few queries & validate the results?

I thought of trying this but I cant mention password in script directly.

db = MySQLdb.connect(host="host.name",
    port=3306,
    user="user",
    passwd="secret_password",
    db="database",
    ssl={'ssl':
            {'ca': '/path/to/ca/ca',
             'key': '/path/to/ca/key',
             'cert': '/path/to/ca/cert'
            }
         }
)  

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