ToolsDB replication to clouddb1002.clouddb-services.eqiad1.wikimedia.cloud broke on 2022-02-15:
```
MariaDB [(none)]> show slave status\G
*************************** 1. row ***************************
[...]
Last_IO_Errno: 1236
Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'binlog truncated in the middle of event; consider out of disk space on master; the first event 'log.275246' at 15499031, the last event read from 'log.275246' at 15499142, the last byte read from 'log.275246' at 15499161.'
[...]
```
and clouddb1001 indeed somehow [[ https://tools-prometheus.wmflabs.org/tools/graph?g0.range_input=1h&g0.expr=node_filesystem_avail_bytes%7Bmountpoint%3D%22%2Fsrv%22%2Cjob%3D%22toolsdb-node%22%7D&g0.tab=1 | went out of disk space ]]:
{F34954088}