Bug #114248 Incomplete query results when backward scan and concurrent page merge
Submitted: 6 Mar 16:22 Modified: 7 Mar 13:57
Reporter: Dmitry Lenev (OCA) Email Updates:
Status: Verified Impact on me:
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:8.0.36, 5.7.44 OS:Any
Assigned to: CPU Architecture:Any
Tags: Contribution

File: Maximum allowed size is 50MB.

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:

[6 Mar 16:23] Dmitry Lenev
Non-deterministic test case showing the problem.

Attachment: innodb_backward_scan_conc_merge.test (application/octet-stream, text), 3.13 KiB.

[6 Mar 16:24] Dmitry Lenev
Result file for test case.

Attachment: innodb_backward_scan_conc_merge.result (application/octet-stream, text), 2.57 KiB.