Re: [ceph-users] cephfs kernel client io performance decreases extremely

2019-12-31 Thread ste...@bit.nl
Quoting renjianxinlover (renjianxinlo...@163.com): > hi,Stefan > could you please provide further guidence? https://docs.ceph.com/docs/master/cephfs/troubleshooting/#slow-requests-mds Do a "dump ops in flight" to see what's going on on the MDS. https://docs.ceph.com/docs/master/cephfs/trou

Re: [ceph-users] Architecture - Recommendations

2019-12-31 Thread Stefan Kooman
Hi, > > Radha: I'm sure we are using BGP EVPN over VXLAN, but all deployments > are through the infrastructure management network. We are a CSP and > overlay means tenant network, if ceph nodes are in overlay, then > multiple tenants will need to be able to communicate to the ceph > nodes. If LB i

Re: [ceph-users] Architecture - Recommendations

2019-12-31 Thread Stefan Kooman
Quoting Radhakrishnan2 S (radhakrishnan...@tcs.com): > In addition, about putting all kinds of disks, putting all drives in > one box was done for two reasons, > > 1. Avoid CPU choking This depends only on what kind of hardware you select and how you configure it. You can (if need be) restrict #C

Re: [ceph-users] Architecture - Recommendations

2019-12-31 Thread Radhakrishnan2 S
Hi Stefan - Thanks once again for taking time in explaining. Regards Radha Krishnan S TCS Enterprise Cloud Practice Tata Consultancy Services Cell:- +1 848 466 4870 Mailto: radhakrishnan...@tcs.com Website: http://www.tcs.com Experience certainty.

Re: [ceph-users] Architecture - Recommendations

2019-12-31 Thread Radhakrishnan2 S
Regards Radha Krishnan S TCS Enterprise Cloud Practice Tata Consultancy Services Cell:- +1 848 466 4870 Mailto: radhakrishnan...@tcs.com Website: http://www.tcs.com Experience certainty. IT Services Business Solutions Consulting __

Re: [ceph-users] ceph log level

2019-12-31 Thread Zhenshi Zhou
Hi Marc, Thanks for the script, I'll try it to configure the log levels. I configured 'debug_ms' to 0 so that the cluster has not generated much logs ever. The logs output show much network connect information last few days. Thanks Marc Roos 于2019年12月30日周一 下午5:17写道: > However, I can not get ri