Bug #83079 long semaphore wait often resulting in crash, DICT_SYS mutex held by statistics
Submitted: 21 Sep 2016 13:16 Modified: 24 Apr 2017 4:45
Reporter: Mikhail Izioumtchenko (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S2 (Serious)
Version:5.7 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: