Re: Ceph FS Random Write 4KB block size only 2MB/s?!

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Subject: Re: Ceph FS Random Write 4KB block size only 2MB/s?!
From: Yu Haiyang <haiyangy@xxxxxxx>
Date: Mon, 2 Jul 2018 05:51:38 +0000
Accept-language: zh-CN, en-US
Cc: ceph-users <ceph-users@xxxxxxxxxxxxxx>
In-reply-to: <CAAM7YAnA6ySb4oBhKn3zaLzr2JpQA5jsDBKLoEeDQ3u8HC4=Jg@mail.gmail.com>
References: <96EC7F36-0934-4E19-A880-8ECE67F2C539@moqi.ai> <CAAM7YA=7qwi7BKjfY8KOJRSJdarSezBGePvFZ-fxQEg33eRZtA@mail.gmail.com> <C9ADC3EC-E980-45C8-BC60-EACA75034F03@moqi.ai> <CAAM7YAkTtGfhasTNgvu_g86NGfKS+JcbBmWnape5khBGngE2pA@mail.gmail.com> <72C2CD14-5F41-4618-82B2-23CAE4E53A50@moqi.ai> <CAAM7YAn4K-gig39q+A1e0FOw_rOL_fCUruuzyYeiMD9+uxEj8A@mail.gmail.com> <CE90EC3A-852E-4C07-BE14-BC2295E2F074@moqi.ai> <CAAM7YAnA6ySb4oBhKn3zaLzr2JpQA5jsDBKLoEeDQ3u8HC4=Jg@mail.gmail.com>

Many thanks, Yan!

I’ll switch to other io engines for fio testing.

On Jun 29, 2018, at 10:23 AM, Yan, Zheng <ukernel@xxxxxxxxx> wrote:

kernel

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References:
- Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yu Haiyang
- Re: Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yan, Zheng
- Re: Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yu Haiyang
- Re: Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yan, Zheng
- Re: Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yu Haiyang
- Re: Ceph FS Random Write 4KB block size only 2MB/s?!
  - From: Yan, Zheng

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