Tag Archives: mariadb

mysql_upgrade fails: Unknown collation: ‘utf8_general_ci’

Posted on 9 October 2025 by stuff writer

There I was, innocently trying to upgrade mysql from some version to some other version, and I ran into this beautiful bug: Turns out this is caused mostly by the stupid. Dependencies First, it wanted a bunch of new RPMs: … Continue reading →

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Last_IO_Errno: 1595 “Relay log write failure: could not queue event from master”

Posted on 10 May 2023 by stuff writer

The disk filled up on a mysql master database because of a few 80Gb queries being written to the mysql bin logs (somehow it couldn’t handle them). The fix on the master was to have more disk space. The fix … Continue reading →

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Plugin ‘SPIDER’ registration as a STORAGE ENGINE failed.

Posted on 12 August 2019 by stuff writer

I fixed a stupid error which had me stumped. Here’s the answer for posterity: I was doing this on mariadb to install the spiderdb engine, and it was not working: The .so file was present, and there’s really no reason … Continue reading →

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