Bug #84374 Primary key is the not the default sharding key anymore
Submitted: 30 Dec 2016 10:10 Modified: 4 Jan 2017 6:34
Reporter: Abdel-Mawla Gharieb Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Cluster: Cluster (NDB) storage engine Severity:S3 (Non-critical)
Version:7.3.15, 7.4.13 & 7.5.4 OS:Any
Assigned to: CPU Architecture:Any
Tags: partitioning, primary key

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: