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Groups > linux.kernel > #1557501
| From | Sagi Grimberg <sagi@grimberg.me> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion |
| Date | 2017-01-12 16:20 +0100 |
| Message-ID | <sYPkt-5y0-15@gated-at.bofh.it> (permalink) |
| References | <sXLiW-6zl-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hey Coly, > Also I receive reports from users that raid1 performance is desired when > it is built on NVMe SSDs as a cache (maybe bcache or dm-cache). I am > working on some raid1 performance improvement (e.g. new raid1 I/O > barrier and lockless raid1 I/O submit), and have some more ideas to discuss. Do you have some performance measurements to share? Mike used null devices to simulate very fast devices which led to nice performance enhancements in dm-multipath code.
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[LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion Coly Li <colyli@suse.de> - 2017-01-09 17:50 +0100
Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion Sagi Grimberg <sagi@grimberg.me> - 2017-01-12 16:20 +0100
Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion Coly Li <colyli@suse.de> - 2017-01-13 05:10 +0100
Re: [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion Guoqing Jiang <gqjiang@suse.com> - 2017-01-16 04:40 +0100
Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-16 06:50 +0100
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