Re: Is BlueFS an alternative of BlueStore?

2016-01-07 Thread peng.hse
Hi Sage, thanks for your quick response. Javen and I once the zfs developer,are currently focusing on how to leverage some of the zfs ideas to improve the ceph backend performance in userspace. Based on your encouraging reply, we come up with 2 schemes to continue our future work 1. the

Re: Is BlueFS an alternative of BlueStore?

2016-01-07 Thread Javen Wu
Thanks Sage for your reply. I am not sure I understand the challenges you mentioned about backfill/scrub. I will investigate from the code and let you know if we can conquer the challenge by easy means. Our rough idea for ZFSStore are: 1. encapsulate dnode object as onode and add onode attribut

Re: Is BlueFS an alternative of BlueStore?

2016-01-07 Thread Sage Weil
On Thu, 7 Jan 2016, Javen Wu wrote: > Hi Sage, > > Sorry to bother you. I am not sure if it is appropriate to send email to you > directly, but I cannot find any useful information to address my confusion > from Internet. Hope you can help me. > > Occasionally, I heard that you are going to start