Questions tagged [mysql-cluster]

MySQL Cluster, which is a distinct product from MySQL Server, is the industry's only real-time transactional relational database combining 99.999% availability with the low Total Cost of Ownership (TCO) of open source. It features a "shared-nothing" distributed architecture with no single point of failure to assure high availability and performance, allowing you to meet your most demanding mission-critical application requirements.

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MySQL hangs on SELECT from table with blob fields

I managed to create a mysql InnoDB cluster with three nodes and a router everything works great but when i try to run a select query from the table below from a another server it freezes, but it works ...
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openstack aodh charm remains in waiting state “'shared-db' incomplete”

please I need your help, We are running a platform built on the openstack framework(Rocky). Recently we decided to install the Aodh service on our platform so as to enable autoscaling with Heat. Our ...
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MariaDB binary logging and master-master replication

I am trying to set up MariaDB master-master replication on a Debian server. Server version: 10.3.25-MariaDB-0+deb10u1 Debian 10. I have read many tutorials and all of them says it´s necessary to edit ...
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Haproxy with MySQL Cluster Setup

I have 2 MySQL servers with master-master replication between them. The replication is working fine. I need to configure high availability between them so that if either one of them goes down, the ...
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2 node cluster fiber channel storage migration

Inheriting a 2 node 2008R2 active/passive failover cluster running an instance of MS SQL I'd need to migrate the database to a new type storage. Currently each node has x2 2-port HBAs where each has ...
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ndb_mgm - command not found after installing MySql management server

ndb_mgm - command not found after installing MySql management server Ubuntu 16.04 mysql-cluster-community-management-server_8.0.20-1ubuntu16.04_amd64.deb server management started under system ...
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49 views

GCP Cloud SQL HA mySQL, which public IP to connect?

Taken from this link: https://cloud.google.com/sql/docs/mysql/high-availability#normal After setup a 2nd generation mySQL failover instance in Cloud SQL, found that actually two IP addresses were ...
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Percona xtradb cluster breaks with conflict message when importing data into it

I have been banging my head over the wall for the past 2 weeks on this. I initially thought this was due to a bad or unsupported DDL syntax. But right now I am not sure of anything anymore. I have a ...
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626 views

Will InnoDB or NDB cluster boost performance

We have fairly large MySQL database (about 35GB total) and topping about 900qps. Performance is not a big issue for now, but the project is growing constantly and I'd rather start thinking about ...
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mysql data node not connecting to node manager on AWS EC2

I am trying to setup mySql manager + data node + sql server (Server A) and another data node cluster on (Server B). Both running on Ubuntu 16.04 amd_64 Server A /etc/hosts also on Server B Both ...
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MySQL cluster unattended installation

I would like to install MySQL cluster without manual intervention. I tried following the steps on the official guide but couldn't quite get it to work. What I have so far... DEBIAN_FRONTEND=...
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333 views

Can't connect to MySQL cluster from HAProxy + keepalived cluster

I'm new to clustering. I'm trying to configure keepalived in HA with HAProxy and MySQL cluster (+2 NDB cluster node). Configuration with 1 HAProxy (without keepalived and virtual ip address) seems to ...
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433 views

MySQL Cluster -> Galera MariaDB Cluster Replication not working, but no errors

I am setting up a database migration between a 2-node master cluster running MySQL Cluster 7.2 (MySQL 5.5) and a 2-node slave cluster (plus arbitrator) running MariaDB 10.3 with Galera clustering. I ...
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Failed to read uuid:seqno and wsrep_gtid_domain_id from joiner script?

I have a Galera Cluster in production which hosts 3 nodes. Nodes are Debian 9.5. I did some stupid stuff and edited my.cnf and corrupted some stuff. I reverted it back after long hours of fighting. 2 ...
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771 views

InnoDB Cluster - MySQL 8.0.13 upgrade to 8.0.14 on Ubuntu 18.04.1 LTS - Cluster creation fails

With the recent upgrade of MySQL from 8.0.13 to 8.0.14 on Ubuntu 18.04.1 LTS, I started getting an error by the time I issue the dba.createCluster('mycluster') after following the procedure to create ...

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