Ceph OSD Hardware - A Pragmatic Guide

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Speaker(s):
Piotr Wachowicz

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Thanks for having us in Barcelona. Were happy to share our knowledge on Ceph!

BrightComputingYT
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Somerhing i don't think was mentioned is it's reccomended to use PLP ssds (so, enterprise) as it allows ceph to replicate sooner thus reducing latency. I'd have to imagine this is the reason consumer ssds are so recommended against

uaQt
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Would be much helpful for me. Question: can we set different value of : "ceph osd crush reweight" in ceph cluster?

rajat
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interesting, but about linux vfs cache, i.e. RAM and ssds - do we still need them for bluestore?

slesru