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From Jeff Zhang <zjf...@gmail.com>
Subject Re: Zeppelin performances with a lot of notebooks(Internet mail)
Date Tue, 18 Feb 2020 09:00:20 GMT
0.9 will load note lazily, only load it when this note is opened.

lewinma(lewinma) <lewinma@tencent.com> 于2020年2月18日周二 下午4:54写道:

> Does 0.9 has some change?
>
>
>
> *From: *Jeff Zhang <zjffdu@gmail.com>
> *Reply-To: *"users@zeppelin.apache.org" <users@zeppelin.apache.org>
> *Date: *Tuesday, February 18, 2020 at 16:53
> *To: *users <users@zeppelin.apache.org>
> *Subject: *Re: Zeppelin performances with a lot of notebooks(Internet
> mail)
>
>
>
> Then I guess it is due to backend issue. Could you check the memory usage
> of the JVM process ? In 0.8, all the notes will be loaded in to memory,
> which might be the reason of slow performance.
>
>
>
> <stephane.davy@orange.com> 于2020年2月18日周二 下午4:38写道:
>
> Yes, it is slow in another tab, its slow even if I close and re-open by
> browser.
>
>
>
>
>
> *From:* Jeff Zhang [mailto:zjffdu@gmail.com]
> *Sent:* Tuesday, February 18, 2020 09:36
> *To:* users
> *Subject:* Re: Zeppelin performances with a lot of notebooks
>
>
>
> It's hard to say. Have you tried to open another tab ? If it is still
> slow, then it might be issue in backend.
>
>
>
> <stephane.davy@orange.com> 于2020年2月18日周二 下午4:32写道:
>
> Hello,
>
>
>
> I’m facing performances issues with zeppelin. It seems that these
> performances are mainly located on the browser side. I have actually a
> Zeppelin instance with quite a lot of notebooks and many paragraphs inside,
> and I find that Zeppelin refresh and rendering is really slow. It means for
> example that the spark job is finished, but the Web UI shows that it is 20%
> completed, and it takes a few minutes to reflect the real spark status.
>
> So, I extracted one notebook, and imported it in another Zeppelin on the
> same server. Actually, I have this:
>
> -          A Zeppelin 0.8.0 which comes with Hortonworks data platform
>
> -          A standalone Zeppelin 0.8.2 on the same server, with the same
> configuration for memory
>
>
>
> And then, my notebook imported in the standalone instance runs really
> fastly. One difference I also have between the 2 instances is that the
> standalone one has its notebook on local filesystem, while the HDP one has
> its notebook on hdfs. For sure, hdfs access is slower than the local fs
> one. Can this also be a possible origin of this issue?
>
>
>
> Thanks for your help,
>
>
>
> Stéphane
>
>
>
>
> --
>
> Best Regards
>
> Jeff Zhang
>
>
>
>
> --
>
> Best Regards
>
> Jeff Zhang
>


-- 
Best Regards

Jeff Zhang

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