Bug #68493 unnecessary dict_update_statistics during concurrent updates
Submitted: 26 Feb 2013 8:14 Modified: 8 Apr 2013 14:42
Reporter: xiaobin lin (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.5+ OS:Any
Assigned to: CPU Architecture:Any
Tags: dict_update_statistics

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:

[26 Feb 2013 8:15] xiaobin lin
The pstack result mentioned above

Attachment: pstack.rt (application/octet-stream, text), 144.42 KiB.

[26 Feb 2013 8:15] xiaobin lin
Based on 5.5.29

Attachment: patch.dict_update_statistics.5529.diff (application/octet-stream, text), 722 bytes.

[18 Mar 2013 9:11] Vasil Dimov
fixup patch

Attachment: bug16400412-03.diff (application/octet-stream, text), 8.64 KiB.