Answer by Mayur Khaire for MySQL cluster - how many hosts are needed for full...
For evaluation and evelopment purposes, you can run all nodes on a single host. For full redundancy and fault tolerance, you would need a minimum 6 x physical hosts:2 x data nodes2 x SQL/NoSQL...
View ArticleAnswer by sonaht for MySQL cluster - how many hosts are needed for full HA?
My current setup is actually 4 machines:On all 4 I run the management node.On the first nodes (1,2) I run web apps + management nodeOn the other nodes (3,4) data/management/and sql nodes.Web servers...
View ArticleAnswer by tomek for MySQL cluster - how many hosts are needed for full HA?
2 physical servers are enough for full HA, if you believe your network is robust enough. Otherwise you need additional small physical server for cluster arbitration - to avoid split brain in case of...
View ArticleAnswer by Sandman4 for MySQL cluster - how many hosts are needed for full HA?
Answer to your question: 2.All these data, sql and management nodes can run on a single machine. With two such 3-node machines you have full redundancy. Keep in mind that NDB is in-memory. Failure of...
View ArticleAnswer by voretaq7 for MySQL cluster - how many hosts are needed for full HA?
You really need to define what level of "HA" you are looking for quantitatively -- one man's "can-sleep-at-night' is another man's "this-thing-is-a-house-of-cards".The minimum number of systems is two...
View ArticleMySQL cluster - how many hosts are needed for full HA?
I need some clarification on MySQL-Cluster (NDB) setupI want to achieve full HA but I'm low on server budget and can't afford to rent a dozen of servers for simple solution that I'm working on.What's...
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