MariaDB is a drop-in replacement for Oracle(R) MySQL(TM).

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mariadb / mysql wont change table_cache / open_table_cache [migrated]

I've configured my i7 64gb ssd server with centos7 with the following my.cnf [mysqld] key_buffer = 12M max_allowed_packet = 16M table_cache = 4096 table_open_cache = 4096 table_definition_cache = ...
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1answer
14 views

MariaDB Replication server disk usage drop

I have a MariaDB master-slave setup on 2 CentOS 7.0 servers. Today, I extended a LVM volume on the master server (because it was getting full). After extending the partition, I rebooted the server and ...
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1answer
162 views

Nginx + HHVM + MariaDB + WordPress install -> Error establishing a database connection

I'm setting up a VPS for a WordPress blog. I'm using Ubuntu 14.04 LTS 64 bits and then I've installed Nginx 1.7.8, HHVM 3.6.0, MariaDB (don't remember the version). Finally I've downloaded WordPress ...
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1answer
17 views

How to monitor MariaDB Galera cluster status from command line

I know to check the Galera cluster status, the command that should be used after login to the mysql client is: SHOW STATUS LIKE 'wsrep%'; but, how to get the output directly from the command line? ...
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1answer
24 views

Is it possible to safely edit mysql-bin.index file while mysql server is running

I changed location of mysql bin-log files. I copied them so mysql started fine, because they where in both locations, but then removed them from old location. I forget about correcting the path in ...
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20 views

Lot's of dealocks since migrating to galera cluster

I recently migrated from a 1 node MySQL server, to a 2 nodes mariadb Galera cluster. (I know, 2 nodes is not recommended). At first, I enabled writes to both of the nodes, but realized it increased ...
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80 views

HAProxy but still single point of failure

I'm setting up a test cluster - Maria Galera Cluster on 3 physical nodes with HAProxy. Its working, but I've made some kind of beginner error which I can't seem to resolve - so hopefully someone can ...
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1answer
25 views

Concurrent MySQL processes

I have a file, let's call it a.php, which executes a long cycle of iterations, each one of them makes some queries to the database. To complete the cycle, it takes quite some time (some hours). My ...
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1answer
47 views

localhost != localhost for MySQL/PHP

System: Mac OS X Server 10.6.latest I just switched from the ancient MySQL (<5?) that came with Mac OS X Server to MariaDB 10.1, installed via MacPorts. (That was a whole 'nuther barrel of fun...) ...
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1answer
95 views

MariaDB Galera SST Fails

I am running a 3 node MariaDB 10 Galera Cluster on CentOS 6. I have use this set-up before without issue else where but now when adding a 3rd node the SST fails with this error in the logs: 150212 ...
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1answer
65 views

MySQL on iscsi drive CentOS7 wont start on boot

I configured Mariadb on CentOS 7 to run on iscsi drive mounted on /mnt/iscsi, but it wont start on boot with following error (it can be started manually): mariadb.service - MariaDB database server ...
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1answer
67 views

How to tune MariaDB/MySQL in a docker container?

I understand that it's easy to get a MariaDB docker container up and running, and using nsenter to edit config files is possible. But how can I tune the config files in this container, e.g. the ...
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103 views

error creating database using ansible on centos 7

I am trying to install mysql AND setup database using ANSIBLE on CentOS7(i have no idea why every documention in the world now ONLY talks about Ubuntu and NO CentOS anymore...really SAD!) here is my ...
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1answer
34 views

Any way to import MySQL tables with indexes intact?

Currently our live database server does daily downloads of large data dumps (on the order of 10GB), imports them into MySQL, normalizes the data, and builds a number of indexes (full-text indexes ...
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1answer
33 views

Galera: Run slow ALTER without locking entire server

I have a 3-node galera cluster with a few hundred databases servicing various clients. I'm only using galera as an easy way to handle replication and fallover. I'm not actually using multiple masters ...
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95 views

Fail to set up mariadb-galera cluster

I am trying to set up galera cluster in my VM cluster, however I can't seem to get the second node to connect to the first properly, this is my current configuration [mysqld] ...
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1answer
49 views

TokuDB storage engine missing after restart

I'm using MariaDB-server 10.0.14 and just had a power outage and hard restart. When coming back up I had to manually remount drives etc. but everything seems intact except I have an error when trying ...
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54 views

MariaDB 5.5 on Slackware 14 need to change to new password format

Strangely, this worked fine for a while, but my computer rebooted recently and now my php apps won't work: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication. Please use an ...
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23 views

Why has MariaDB created database directories with @ in?

A backup script on a Debian server looked at /var/lib/mysql/*/ to find local database names. Having recently installed Seafile, this no longer works because although the databases are called normal ...
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1answer
78 views

Dovecot isn't working after upgrading MariaDB [closed]

I've just updated my database engine to MariaDB (5.5.40-MariaDB-0ubuntu0.14.04.1 - (Ubuntu)). Everything else (Apache2 :80, :443, phpMyAdmin, Webmin, etc.) but Dovecot is working. I'm not quite ...
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13 views

Setup Server for Optimization [duplicate]

I've got my first Dedicated server and I would like some help with the Optimization of it. I am thinking of going a bit different than the regular setup and I'd like your feedback. Before we start, ...
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1answer
549 views

Can I copy the entire /var/lib/mysql folder to a different server? (mysql vs mariadb, different versions)

I used to have a Linux system (LMDE) with MySQL. The system used innodb_file_per_table for most of the databases. (not sure about the version, whatever is the "latest" in LMDE) I am now on a new ...
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1answer
316 views

Suddenly mysql/mariadb won't start

Suddenly, after simply adding a few tables to database within the install... the service won't start. Any help welcome. systemctl start mariadb Job for mariadb.service failed. See 'systemctl status ...
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1answer
131 views

CentOS 7 and MariaDB issue

I have recently moved to DigitalOcean, and installed Centos7 along with its default MysQl server (MariaDB). But I am facing since first install. MySql is exiting down spontaneously and there is no ...
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106 views

Mysql table doesnt exist error after trying run from lvm snapshot

I'm trying to set up mysql replication by making lvm snapshot of master datadir and copying it to slave. The procedure is quite simple, on master server I execute "FLUSH TABLES WITH READ LOCK" and on ...
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46 views

Direct server return loadbalancer for mariadb galera cluster with 2 networks

Is it possible to configure LVS (keepalived) loadbalancer with direct server return (DSR) for 2 leg network setup? The desired architecture is as follows: mariadb galera cluster, where each node has ...
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1answer
499 views

yum dependancy error - looking for the wrong version of php-mysql

So I was trying to upgrade from MariaDB 5.5 to 10.0. (which is essentially MySQL fork) The installation instructions say to yum remove mariadb-server mariadb-common mariadb-compat then re-install ...
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1answer
169 views

Failed at step EXEC spawning /usr/libexec/mariadb-prepare-db-dir

a bit of a newbie here so mind my obliviousness. I'm trying to install mariadb on a fresh Centos 7 server, though upon running "systemctl start mariadb.service" I get this malarkey: Job for ...
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156 views

MySQL unable to repair, dump, upgrade table (simply crashes)

I need to backup one of my databases from MySQL (Running MariaDB). The issue is that aside from all of my other databases that backup perfectly fine, this database has issues backing up and crashes ...
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1answer
36 views

It is possible having MySQL server and MariaDB server together in the same Ubuntu 14.04 using official packages?

It is possible having MySQL server and MariaDB server together in the same Ubuntu 14.04 using official packages? I want to have both servers running in the same machine, using different listening ...
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1answer
54 views

error in msiexec for mariadb

This fails (and wont let me add /L for logging) and displays the help popup: Start-Process -FilePath msiexec -ArgumentList /i, "C:\app\install\mariadb-10.0.14-winx64.msi", ...
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1answer
165 views

MySQL/MariaDB stops running. How do I find out why?

Today I've seen MySQL/MariaDB stop running on a CentOS VPS. When I check the status I get: # service mysql status ERROR! MySQL is not running, but lock file (/var/lock/subsys/mysql) exists So I ...
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51 views

Debian autostart MariaDB Galera cluster

I have a MariaDB Galera cluster with two nodes. I have got it up and running fine, however the first node in the cluster needs to be started with: sudo service mysql start --wsrep-new-cluster I am ...
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2answers
36 views

Does a server use bandwidth when connecting to itself?

I have a dedicated server (CentOS 7) with Storm on Demand. I have a rails application running on the server served by nginx and unicorn. I'm using MariaDB on the same server. The rails app handles ...
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320 views

Installing MariaDB + Galera via yum fails with “No package MariaDB-Galera-server available”

I'm spun up a brand new Cento OS 7 virtual machine and I'm following this tutorial to install a MariaDB + Galera cluster. I've added the MariaDB repos as follows: vi /etc/yum.repos.d/MariaDB.repo ...
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86 views

Running MariaDB Galera (5.5) Cluster on Debian failing to start

I am struggling to get a MariaDB Galera cluster running on my Debian 7 machine. I am trying to setup a cluster with two nodes both running on Debian 7. When I first install Galera I can run it find. ...
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2answers
422 views

Database password error in Owncloud migrating from SQLite to MySQL/MariaDB

In a Fedora system, I need to convert the Owncloud's SQLite database into a MySQL/MariaDB database I started installing MySQL: # systemctl enable mysqld # systemctl start mysqld $ ...
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105 views

MariaDB, ARIA, “File size bigger than expected”

On (only) my production server, whenever I wait a while and restart MariaDB, it completely crashes and burns, e.g.: 141110 16:18:26 [Note] /usr/sbin/mysqld: Shutdown complete 141110 16:18:26 [ERROR] ...
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1answer
220 views

MariaDB 10.0 / Docker / Vagrant - Sub-process /usr/bin/dpkg returned an error code

MariaDB 10.0 does not install properly when using Vagrant, Docker and other virtualised services. $ DEBIAN_FRONTEND=noninteractive apt-get install -y mariadb-galera-server Setting up ...
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120 views

MariaDB Multimaster replication and AWS Auto Scaling Group

One of the things I hate most about RDBMS is that it can't sit on an ASG like the web servers and bounce it around and scale it up and down like a yoyo. Or can it? Recently looking at MariaDB galera ...
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1answer
103 views

Can I do zero downtime MySQL replication if I have archive tables present?

I've read the question and answers at How to setup MySQL replication with minimal downtime. It looks like I can get a slave DB into sync without down time if I am using only Innodb tables. My ...
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1answer
190 views

FreeBSD: mariadb55 conflicts mysql55

I'm trying to install percona-toolkit as package/port on my system: [root@alexus ~]# uname -a FreeBSD alexus.org 9.2-RELEASE-p5 FreeBSD 9.2-RELEASE-p5 #0 r265974: Wed May 14 07:57:04 PDT 2014 ...
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1answer
817 views

MySQL high CPU/query time usage during concurrent inserts

I just setup a new server for a large MySQL database of about 70GB. This database is regularly written by automatic processes that must write as quickly as they can their data. Before we had a server ...
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719 views

Installing, configuring and running mariadb in foreground on Centos 7 via docker without systemd or services

Under CentOS 7, I understand we're moving from mysql-server to implementation-compatible MariaDB. I'm using a docker image of centos:latest, which puts me under the auspices of Centos 7. mysqld_safe ...
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145 views

MariaDB mysqldump fails on tables with underscores

mysqldump -u root -pvagrant --skip-lock-tables --no-data databasename is giving me this: mysqldump: Couldn't execute 'show table status like 'view\_admin\_mu\_list\_view'': SELECT command denied to ...
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1answer
135 views

Most reliable MariaDB to Postgres dump method

I am in the process of migrating an app to another server, and will need to migrate the database contents from MariaDB to Postgresql. Most documentation indicates that the following format should ...
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3answers
285 views

MariaDB 10.x on CentOS 7?

Why there is no MariaDB 10.x RPM for CentOS/RedHat 7? How can I install it? I'm trying to install the most recent stable version on my server, but it seems, that official repo is absent. 5.5 is ...
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0answers
85 views

apache php-fpm - max_children reached -> server unresponsive until php-fpm restart

One of our servers with a very special setting is very sensitivee to an unknown event. Hardware: Xen - VM 22 Cores (build with Intel xeon 4*6 Core) raid 6 SSD 60 GB RAM Configuration: Suse ...
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2answers
848 views

Increasing nproc for processes launched by systemd on CentOS 7

I have successfully increased the nofile and nproc value for the local users, but I couldn't find a proper solution for the processes launched by systemd. Adding max_open_files to the MariaDB ...
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3answers
8k views

No mysqld or mysql.server after mariadb-server install

So... likely I'm an idiot, but I'm stuck. I just set up a CentOS 7 on Digial Ocean and I can't seem to get the MariaDB/MySQL server running. Some output [root@hostname ~]# yum list installed |grep ...