Another CEPH Performance Problem

Hi,

i know there are many of ceph problems struggling with performance here, and i thought i got it but things are telling me a better story...

Here is our setup:
9 PVE-Nodes with each minimum 128GB RAM, 12Core Processor
2x HDDs or SSDs (newer Server have got SSDs) used for ZFS-R1 for the System itself. Nothing is stored there, just the system
8 Servers are used for ceph, each one of them has 8 - 4TB SSDs combined to one big pool.
ceph network has a 2x10gbs background for fast recovery and...

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