The improvements of Ratis streaming is solid based on the doc! Thanks
runzhiwang for your work!

After walking through the performance doc, I think the comparison seemed to
happen between an Ozone cluster and a filestore?

If so, my question is,  will the Ozone cluster be too heavy to compare with
filestore, which is a simple implementation to write files? Do we need a
comparison for filesstore only between async api and streaming?


Hi Liyun,

Currently the Ratis streaming write feature should be ready to use (though
improvements could keep happening). The read feature is under development.

-Rui

On Mon, Dec 14, 2020 at 8:02 AM Lin, Yiqun <yiq...@ebay.com.invalid> wrote:

> Hi runzhiwang/ Tsz-Wo,
>
> Seems a very good improvement, I am interested for this.
> As I see the Ratis Streaming feature (RATIS-979) is still in progress
> state. Do you know current status of this feature and if it's ready and
> stable for Ozone to use now?
>
> Thanks,
> Yiqun
>
> On 2020/12/14, 5:40 PM, "Tsz Wo Sze" <szets...@gmail.com> wrote:
>
>     External Email
>
>     runzhiwang,
>
>     Thanks a lot for working hard on Ratis Streaming and running the
>     benchmarks!  Ratis Streaming is going to be a big improvement in Ozone.
>
>     It is anticipated that Ratis Streaming can
>     - improve the performance as shown in the benchmark results;
>     - improve the scalability of Ozone since Streaming can reduce the
> number of
>     pipelines in Ozone; and
>     - reduce the memory requirement in datanodes.
>
>     Regards,
>     Tsz-Wo
>
>     On Mon, Dec 14, 2020 at 4:35 PM runzhiwang <runzhiwan...@gmail.com>
> wrote:
>
>     > Hi all,
>     > I test the performance of ratis streaming. As the image shows, Raits
>     > streaming can improve Ozone's throughput, memory usage, and stability
>     > greatly.
>     >
>     > [image: screenshot-1.png]
>     >
>     > If you are interested with the test and want to reproduce it, please
> find
>     > the details here:
>     >
>     >
> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1TkR4qN1ymm9UY2nRLGlvL_TjI_gTabByDN5uCUEpJiM%2Fedit&amp;data=04%7C01%7Cyiqlin%40ebay.com%7C4a8c74e9a369402a3c8f08d8a014502e%7C46326bff992841a0baca17c16c94ea99%7C0%7C0%7C637435356398333595%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=moz51OUIBm98n%2B%2FYdUtLT4Az0CE%2BgQ%2FnhpU47G5HWOY%3D&amp;reserved=0
>     >
>     >
>     > Thanks,
>     > runzhiwang
>     >
>
>

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