NDB Cluster : MySQL's Distributed MultiMaster Storage Engine

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1answer
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MySQL Sharding vs MySQL Cluster

Considering performance only, can a MySQL Cluster beat a custom data sharding MySQL solution? sharding = horizontal partitioning When I refer to sharding, I'm considering sharding made in the ...
11
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2answers
4k views

What are the benefits of using MySQL Cluster?

I have never dipped my hands in MySQL Cluster and want to know how it can benefit me. When is it best to use it, and does it have performance benefits?
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1answer
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Does mysqld --ndb-cluster need to be run on MySQL Cluster data nodes?

I have my management node and sql node on the same server, and 2 data nodes (3 machines in total). Do I need to run ./mysqld --ndb-cluster (or /etc/init.d/mysql-server start) on 1) the data nodes, or ...
2
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0answers
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Can't connect to MySQL Cluster Storage (data) nodes

I've deployed a MySQL Cluster with a few nodes, and I want to access the storage nodes directly from another machine using NDBAPI. When I tried to connect from the same host it worked, but when I try ...
8
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4answers
4k views

MySQL Cluster RAM requirement

From MySQL 5.1, the data doesn't need to be entirely in memory anymore. I've read that the indexed columns (I think the entire index structure) must still be in memory (MySQL High Availability, 2010, ...
1
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1answer
77 views

MySQL Cluster - Management Node Redundancy

I am trying to design a fully redundant MySQL Cluster implementation for a service provider's network. Nodes within this cluster will be geographically separated between towns in the state that the ...
1
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1answer
184 views

MySQL cluster concurrency

I have a little application that executes select queries against a MySQL cluster. By using 1 thread to read a record the latency is x. By using 2 threads to read records concurrently the avg latency ...
2
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3answers
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What's the difference between master and slave nodes in MySQL Cluster?

I use MySQL Cluster 7.1.15a. I have 2 nodes, ndb_mgm -e shows: [ndbd(NDB)] 2 node(s) id=3 @X (mysql-5.1.56 ndb-7.1.15, starting, Nodegroup: 0, Master) id=4 @Y (mysql-5.1.56 ndb-7.1.15, ...
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0answers
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Adding Data Nodes Online - Data Won't Redistribute

I have gone through the process of adding data nodes to my MySQL Cluster, using the guidelines provided here: https://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-online-add-node-example.html. The ...
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0answers
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ndb_desc - Unable to Connect to Management Server

I'm having issues with the ndb_desc program working in MySQL Cluster. I have additional [mysqld(API)] nodes available for connection from any host: [ndbd default] NoOfReplicas=2 DataMemory=16384M ...