Bug #98138 5.7.28 blob table can not free space correctly
Submitted: 7 Jan 2020 3:00 Modified: 7 Jan 2020 8:16
Reporter: lcrash gou Email Updates:
Status: Unsupported Impact on me:
None 
Category:MySQL Server Severity:S2 (Serious)
Version:percona 5.7.28 OS:Red Hat (6.8)
Assigned to: CPU Architecture:x86
Tags: blob not free space

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: