Re: [ceph-users] ceph luminous performance - disks at 100% , low network utilization

2018-02-02 Thread Steven Vacaroaia
> Stddev IOPS:6 >> Max IOPS: 53 >> Min IOPS: 30 >> Average Latency(s): 0.396239 >> Stddev Latency(s): 0.249998 >> Max latency(s): 1.29482 >> Min latency(s): 0.06875 >> >> >> ---

Re: [ceph-users] ceph luminous performance - disks at 100% , low network utilization

2018-02-02 Thread Steven Vacaroaia
875 > > > -----Original Message----- > From: Steven Vacaroaia [mailto:ste...@gmail.com] > Sent: vrijdag 2 februari 2018 15:25 > To: ceph-users > Subject: [ceph-users] ceph luminous performance - disks at 100% , low > network utilization > > Hi, > > I have been stru

Re: [ceph-users] ceph luminous performance - disks at 100% , low network utilization

2018-02-02 Thread Marc Roos
februari 2018 15:25 To: ceph-users Subject: [ceph-users] ceph luminous performance - disks at 100% , low network utilization Hi, I have been struggling to get my test cluster to behave ( from a performance perspective) Dell R620, 64 GB RAM, 1 CPU, numa=off , PERC H710, Raid0, Enterprise 10K

[ceph-users] ceph luminous performance - disks at 100% , low network utilization

2018-02-02 Thread Steven Vacaroaia
Hi, I have been struggling to get my test cluster to behave ( from a performance perspective) Dell R620, 64 GB RAM, 1 CPU, numa=off , PERC H710, Raid0, Enterprise 10K disks No SSD - just plain HDD Local tests ( dd, hdparm ) confirm my disks are capable of delivering 200 MBs Fio with 15 jobs