Re: OSD crashes during upgrade mimic->octopus

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Hi Igor,

thanks for your response.

> And what's the target Octopus release?

ceph version 15.2.17 (8a82819d84cf884bd39c17e3236e0632ac146dc4) octopus (stable)

I'm afraid I don't have the luxury right now to take OSDs down or add extra load with an on-line compaction. I would really appreciate a way to make the OSDs more crash tolerant until I have full redundancy again. Is there a setting that increases the OPS timeout or is there a way to restrict the load to tolerable levels?

Best regards,
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14

________________________________________
From: Igor Fedotov <igor.fedotov@xxxxxxxx>
Sent: 06 October 2022 13:15
To: Frank Schilder; ceph-users@xxxxxxx
Subject: Re:  OSD crashes during upgrade mimic->octopus

Hi Frank,

you might want to compact RocksDB by ceph-kvstore-tool for those OSDs
which are showing

"heartbeat_map is_healthy 'OSD::osd_op_tp thread 0x7f1886536700' had timed out after 15"



I could see such an error after bulk data removal and following severe
DB performance drop pretty often.

Thanks,
Igor
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