hi in general i see nothing you can do except supporting ssd's (like having a pool of ssd's in your ceph cluster or use other shared storage with ssd's0 option we give (not production wize just for lab testing who ssuffers from lack of Hardware) - is using memory (of the vm) for etcd this way the perfromance of etcd will boost but again not good for production :) Regards kobi ginon בתאריך יום ב׳, 20 בספט׳ 2021 ב-20:59 מאת Tony Liu < tonyliu0592@xxxxxxxxxxx>: > Hi, > > I wonder if anyone could share some experiences in etcd support by Ceph. > My users build Kubernetes cluster in VMs on OpenStack with Ceph. > With HDD (DB/WAL on SSD) volume, etcd performance test fails sometimes > because of latency. With SSD (all SSD) volume, it works fine. > I wonder if there is anything I can improve with HDD volume, or it has to > be > SSD volume to support etcd? > > > Thanks! > Tony > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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