SWAP or not to swap

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Dear ceph community,

over the last years I read pros and cons regarding swap for different workloads or setups.

Recently I came again across that question on ceph OSD nodes. The folks a croit disable it at all on their distribution an suggest it to ;) …. and from the v14.2.22 Nautilus released notes I got:

… the most consistent performing combination is to enable bluefs_buffered_io and disable system level swap …

Out of curiosity: How do you configure your systems? Do you enable swap or do you disable it at all?

Assume that regarding the OSD configuration and expected workload there should be enough RAM.

	Thanks for your thoughts and regards . Götz


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