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Galera Cluster: HA - MySQL beckend for Asterisk
Galera is a highly available Cluster based on MySQL for applications needing reliable database back-end's.
Highlights
- Synchronous true multi-Master Replication for MySQL
- High-availability, reliability, consistency
- Low cost, professional support
Description
MySQL HA solutions are either not reliable (Master-Master Replication: data inconsistencies and limited scaleability) or over complex in Operations (active/passive fail-over Cluster).
Galera's synchronous true multi-Master Replication (http://codership.com/) is the right solution to circumvent these problems.
Galera Replication adds the following benefits to Asterisk servers:
* Asterisk can write to any MySQL node in the Cluster
* Galera does Synchronous Replication
* Galera uses crash-safe InnoDB tables
* Galera Cluster is an active-active real multi-Master topology
* Galera does automatic membership control
* Galera provides true parallel Replication on row level
* a Galera has no Slave lag
* Galera does not loose transactions
* Galera scales reading and writing
Galera Cluster can be used in a LAN or a WAN!
MySQL/Galera Cluster
MySQL/Galera is synchronous multi-master cluster for MySQL/InnoDB database, having features like:
- Synchronous replication
- Active-active multi-master topology
- Read and write to any cluster node
- Automatic membership control, failed nodes drop from the cluster
- Automatic node joining
- True parallel replication, on row level
- Direct client connections, native MySQL look & feel
These features yield un-seen benefits for a DBMS clustering solution:
- No slave lag
- No lost transactions
- Both read and write scalability
- Smaller client latencies
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Support Details
“Galera Cluster Support”: 1st to 3rd level Support for Galera's synchronous multi-Master Replication Cluster.
Support Contact Information
email: support@fromdual.com
website: support.fromdual.com
FromDual GmbH
FromDual provideds vendor independent and neutral MySQL and Galera Consulting and Support services.
We do:
* MySQL Performance tuning
* High-Availability set-ups
* Scale-out set-ups
* Backup/Recovery concepts
* Remote-DBA
* etc.
Everything which is MySQL related.
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