Re: [ceph-users] RGW - Unable to delete bucket with radosgw-admin

2017-08-11 Thread Andreas Calminder
For anyone interested or having similar issues, I figured out what was wrong by running # radosgw-admin --cluster ceph bucket check --bucket=12856/weird_bucket --check-objects > obj.check.out Reviewed the +1M entries in the file, wasn't really sure what the output was about but figured it was prob

[ceph-users] client does not wait for data readable.

2017-08-11 Thread cgxu
Hi cepher, Recently I had a long time test which just untar linux kernel code to two different directories and compare it in a kvm vm. Those two directories were two rbd volumes in ceph cluster. I realized sometimes there’s a diff, but when I manually compare again then diff disappear. It seem

[ceph-users] v12.1.3 Luminous (RC) released

2017-08-11 Thread Abhishek Lekshmanan
This is the final release candidate for Luminous, the next long term stable release. Please note that this is still a *release candidate* and not the final release, we're expecting the final Luminous release in about a week's time, meanwhile testing and feedback is appreciated. Ceph Luminous (v12.

[ceph-users] Luminous release + collectd plugin

2017-08-11 Thread Marc Roos
I am not sure if I am the only one having this. But there is an issue with the collectd plugin and the luminous release. I think I didn’t have this in Kraken, looks like something changed in the JSON? I also reported it here https://github.com/collectd/collectd/issues/2343, I have no idea who

[ceph-users] Enabling Jumbo Frames on ceph cluser

2017-08-11 Thread Sameer Tiwari
Hi, We ran a test with 1500 MTU and 9000MTU on a small ceph test cluster (3mon + 10 hosts with 2 SSD each, one for journal and one for data) and found minimal ~10% perf improvements. We tested with FIO for 4K, 8K and 64K block sizes, using RBD directly. Anyone else have any experience with this?

Re: [ceph-users] Enabling Jumbo Frames on ceph cluser

2017-08-11 Thread Jack
Hi, I have no number to share, nor did I test with Ceph specifically However, I saturated a 4*10G NIC, with and without jumbo In CPU consumption, jumbo frames eated 2 to 3 times less CPU If you can use jumbo frames, just do it -there is no drawback, and the gains are appreciable On 11/08/2017 2

Re: [ceph-users] Enabling Jumbo Frames on ceph cluser

2017-08-11 Thread Joe Comeau
I'm no expert but maybe another test might be iperf and watch your cpu utilization while doing it You can set iperf to run between a couple monitors and OSD servers Try setting it at 1500 or your switch's stock MTU then put the servers at 9000 and the switch at 9128 (for packet overhead/managem

Re: [ceph-users] Enabling Jumbo Frames on ceph cluser

2017-08-11 Thread w...@42on.com
> Op 11 aug. 2017 om 20:22 heeft Sameer Tiwari het > volgende geschreven: > > Hi, > > We ran a test with 1500 MTU and 9000MTU on a small ceph test cluster (3mon + > 10 hosts with 2 SSD each, one for journal and one for data) and found minimal > ~10% perf improvements. > > We tested with FI

[ceph-users] Luminous 12.1.3: mgr errors

2017-08-11 Thread Nigel Williams
Cluster is ok and mgr is active, but unable to get the dashboard to start. I see the following errors in logs: 2017-08-12 15:40:07.805991 7f508effd500 0 pidfile_write: ignore empty --pid-file 2017-08-12 15:40:07.810124 7f508effd500 -1 auth: unable to find a keyring on /var/lib/ceph/mgr/ceph-0/key