Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-11-06 Thread Willem Jan Withagen
On 6-11-2017 14:05, Chris Jones wrote: > I'll document the resolution here for anyone else who experiences > similar issues. > > We have determined the root cause of the long boot time was a > combination of factors having to do with ZFS version and tuning, in > combination with how long filenames

Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-11-06 Thread Chris Jones
esday, November 1, 2017 4:51:52 PM To: Chris Jones; Gregory Farnum Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time On 01/11/2017 18:04, Chris Jones wrote: > Greg, > > Thanks so much for the reply! > > We are not clear on why ZFS is b

Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-11-01 Thread Willem Jan Withagen
sedtomakealivingmanpickintheban_0e6d86f58e03d0f6de04_0_long", "user.cephos.lfn3-alt", 0x7fd4e8017680, 1024) = -1 ENODATA (No data available) <0.18> -- Christopher J. Jones -----------------

Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-11-01 Thread Chris Jones
phos.lfn3-alt", 0x7fd4e8017680, 1024) = -1 ENODATA (No data available) <0.18> -- Christopher J. Jones ________________ From: Gregory Farnum Sent: Monday, October 30, 2017 6:20:15 PM To: Chris Jones Cc: ceph-users@lists.ceph.com Subje

Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-10-30 Thread Gregory Farnum
On Thu, Oct 26, 2017 at 11:33 AM Chris Jones wrote: > The long running functionality appears to be related to clear_temp_objects(); > from OSD.cc called from init(). > > > What is this functionality intended to do? Is it required to be run on > every OSD startup? Any configuration settings that w

Re: [ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-10-26 Thread Chris Jones
The long running functionality appears to be related to clear_temp_objects(); from OSD.cc called from init(). What is this functionality intended to do? Is it required to be run on every OSD startup? Any configuration settings that would help speed this up? ---

[ceph-users] Hammer to Jewel Upgrade - Extreme OSD Boot Time

2017-10-25 Thread Chris Jones
After upgrading from CEPH Hammer to Jewel, we are experiencing extremely long osd boot duration. This long boot time is a huge concern for us and are looking for insight into how we can speed up the boot time. In Hammer, OSD boot time was approx 3 minutes. After upgrading to Jewel, boot time i