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Posted to hdfs-dev@hadoop.apache.org by Shashikant Banerjee <sb...@cloudera.com.INVALID> on 2020/04/01 09:33:26 UTC

Re: [Discuss] Ozone moving to Beta tag

+1 for the Beta.

Thanks
Shashi

On Mon, Feb 24, 2020 at 9:33 AM Mukul Kumar Singh <mk...@gmail.com>
wrote:

> +1 for the Beta. Data pipeline and Ozone manager improvement have
> certainly helped in the latest runs.
>
> Thanks,
>
> Mukul
>
> On 24/02/20 8:44 am, Bharat Viswanadham wrote:
> > +1 for Beta given major performance improvement work went in Ozone
> Manager
> > and Datanode Pipeline.
> >
> > I have been testing Teragen runs and now we have consistent runs and
> > performance is almost near to HDFS with disaggregated Storage and compute
> > cluster.
> >
> >
> >
> > Thanks,
> > Bharat
> >
> >
> > On Sun, Feb 23, 2020 at 6:35 PM Sammi Chen <sa...@apache.org> wrote:
> >
> >> +1,  Impressive performance achievement on OzoneManager, let's move to
> >> Beta.
> >>
> >> Bests,
> >> Sammi Chen
> >>
> >> On Thu, Feb 20, 2020 at 4:17 AM Anu Engineer <ae...@apache.org>
> wrote:
> >>
> >>> Hi All,
> >>>
> >>>
> >>> I would like to propose moving Ozone from 'Alpha' tags to 'Beta' tags
> >> when
> >>> we do future releases. Here are a couple of reasons why I think we
> should
> >>> make this move.
> >>>
> >>>
> >>>
> >>>     1. Ozone Manager or the Namenode for Ozone scales to more than 1
> >> billion
> >>>     keys. We tested this in our labs in an organic fashion; that is, we
> >> were
> >>>     able to create more than 1 billion keys from external clients with
> no
> >>> loss
> >>>     in performance.
> >>>     2. The ozone Manager meets the performance and resource constraints
> >> that
> >>>     we set out to achieve. We were able to sustain the same throughput
> at
> >>> Ozone
> >>>     manager for over three days that took us to get this 1 billion
> keys.
> >>> That
> >>>     is, we did not have to shut down or resize memory for the namenode
> as
> >> we
> >>>     went through this exercise.
> >>>     3.  The most critical, we did this experiment with 64GB of memory
> >>>     allocation in JVM and 64 GB of RAM off-heap allocation. That is,
> the
> >>> Ozone
> >>>     Manager was able to achieve this scale with far less memory
> footprint
> >>> than
> >>>     HDFS.
> >>>     4. Ozone's performance is at par with HDFS when running workloads
> like
> >>>     Hive (
> >>>
> >>>
> >>
> https://blog.cloudera.com/benchmarking-ozone-clouderas-next-generation-storage-for-cdp/
> >>>     )
> >>>     5. We have been able to run long-running clusters with Ozone.
> >>>
> >>>
> >>> Having achieved these goals, I propose that we move from the planned
> >>> 0.4.2-Alpha release to 0.5.0-Beta as our next release. If we hear no
> >>> concerns about this, we would like to move Ozone from Alpha to Beta
> >>> releases.
> >>>
> >>>
> >>> Thanks
> >>>
> >>> Anu
> >>>
> >>>
> >>> P.S. I am CC-ing HDFS dev since many people who are interested in Ozone
> >>> still have not subscribed to Ozone dev lists. My apologies if it feels
> >> like
> >>> spam, I promise that over time we will become less noisy in the HDFS
> >>> channel.
> >>>
> >>>
> >>> PPS. I know lots of you will want to know more specifics; Our blog
> >> presses
> >>> are working overtime and I promise you that you will get to see all the
> >>> details pretty soon.
> >>>
>
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