Bug #45892 Innodb calls fsync for writes with innodb_flush_method=O_DIRECT
Submitted: 2 Jul 2009 0:24 Modified: 12 Mar 2013 22:52
Reporter: Mark Callaghan Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S5 (Performance)
Version:5.0,5.1 OS:Any
Assigned to: Inaam Rana CPU Architecture:Any
Tags: fsync, innodb

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: