MySQL Bugs: #101890: mysql_upgrade from MySQL-Cluster 7.4.27 to 7.5.20 crashes SQL node

Bug #101890	mysql_upgrade from MySQL-Cluster 7.4.27 to 7.5.20 crashes SQL node
Submitted:	7 Dec 2020 12:10	Modified:	10 Dec 2020 6:45
Reporter:	Hendrik Woltersdorf	Email Updates:
Status:	Not a Bug	Impact on me:	None
Category:	MySQL Cluster: Cluster (NDB) storage engine	Severity:	S3 (Non-critical)
Version:	7.5.20	OS:	CentOS
Assigned to:	MySQL Verification Team	CPU Architecture:	Any

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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:

On *nix platforms use the split command e.g. split -b 50MB <my_large_archive> <my_split_archive_prefix>
On windows use WinZip or a similar utility to split the large file

logs of an affected cluster

Attachment: ndb_error_report_20201207130629.tar.bz2 (application/octet-stream, text), 293.87 KiB.

sql node log

Attachment: dit_l1_cl1.log (application/octet-stream, text), 31.30 KiB.