Bug #86234 InnoDB: Failing assertion: heap->magic_n == MEM_BLOCK_MAGIC_N
Submitted: 9 May 2017 5:27 Modified: 9 May 2017 6:14
Reporter: Roel Van de Paar Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S2 (Serious)
Version:5.5.54, 5.6.35, 5.7.17, 5.6.36, 5.7.18 OS:Any
Assigned to: CPU Architecture:Any

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: