Re: who can tell me what is the biggest size data that mysql-cluster can store by NDB engine without losting its auto-sharding and auto partitioning and other functions?

[George lin]

Dear MySQL-cluster's authors,

I find an info from the address of https://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-ndb-innodb-engines.html

the page says NDB storage limits " 3TB

(Practical upper limit based on 48 data nodes with 64GB RAM each; can be increased with disk-based data and BLOBs) "

if the 48 data has only 2 node group, then can 24 machine's NDB data nodes only store 3TB=3000GB data? that is 1 NDB data node can only store 3000GB/24=125GB data? is this info true? nowaday's normal 1 disk have over 500GB storage space, it is incredible.

"... can be increased with disk-based data and BLOBs) ": does this mean that
if we define only one column primary key and other columns as disk-storage-data, then the total cluster can increase storage? then how many is the biggest data that MySQL cluster can store exactly?

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