Hi

The note list can be synchronized by the refresh button, But there will still 
be some other problems.

1) If you modify the permissions of the note, notebook-authorization.json 
cannot be synchronized in real time between multiple zeppelin services.
2) If you add, modify, remove the interpreter configure, interpreter.json. 
Cannot synchronize in real time between multiple zeppelin services.

Or modify the permissions or interpreter configuration in multiple zeppelin 
services, respectively.
Because there is no synchronization mechanism guarantee, the data is easily 
covered by each other.

So once the system becomes distributed, There are many problems that need to be 
solved.

> 在 2019年3月25日,下午2:55,bailin....@refinitiv.com 写道:
> 
> Hi Matthew,
>  
> There’s a “Reload Notes from storage” button just above “Import note”, no 
> need to restart Zeppelin.
> I’m using AWS EMR-5.19.0, Zeppelin 0.8.0 by the way.
>  
> <image001.gif>
>  
> Thanks and Regards,
> -Bailin
>  
> From: "Horoschun, Matthew" <matthew.horosc...@capgemini.com>
> Reply-To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Date: Monday, March 25, 2019 at 11:53 AM
> To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Subject: Re: Dynamic updation of notes across multiple Zeppelin-0.8.0 
> instances (with shared notebook storage)
>  
> Hi Bailin
>  
> My understanding is that even if you store notebooks in S3 (as we do), these 
> are only loaded on Zeppelin start up so having multiple Zeppelin instances 
> isn’t viable at the moment.
>  
> I believe there are open tasks to make HA deployment of Zeppelin possible. 
> E.g. https://jira.apache.org/jira/browse/ZEPPELIN-3778 
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__jira.apache.org_jira_browse_ZEPPELIN-2D3778&d=DwMGaQ&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=e506y9nH83Upp3sG65hwe5tYkAEHmDsaZm4J3aW9a-w&m=upBnzCzgD62UuLQPyLPQ0zaBbV5N5qAKNOIyLCNVKIM&s=ZzuzDBjYrUSg_5H_xcrYdoDyUPEFAXcsXyiDew4rZCA&e=>
>  for notebook synchronisation.
>  
> If you know a way to work around this with 0.8, I’d be keen to hear!
>  
> Matthew
>  
>  
> From: "bailin....@refinitiv.com" <bailin....@refinitiv.com>
> Reply-To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Date: Monday, 25 March 2019 at 1:21 pm
> To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Subject: Re: Dynamic updation of notes across multiple Zeppelin-0.8.0 
> instances (with shared notebook storage)
>  
> Hi Sarthak, 
>  
> Would you consider store your notebook in cloud, such as s3 in AWS?
>  
> Thanks and Regards,
> -Bailin
>  
> From: Sarthak Sharma <sarthak...@media.net>
> Reply-To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Date: Saturday, March 23, 2019 at 7:44 PM
> To: "users@zeppelin.apache.org" <users@zeppelin.apache.org>
> Subject: Dynamic updation of notes across multiple Zeppelin-0.8.0 instances 
> (with shared notebook storage)
>  
> Hi, 
>  
> Since there are already many ways of having a shared notebook storage across 
> multiple zeppelin instances (using nfs, hdfs, etc). 
> Is there a way of setting up HA for Zeppelin such that if a user updates 
> notes on a particular instance, the changes get reflected to another user on 
> some other instance(backend) without having to restart their zeppelin server 
> (Since currently zeppelin loads all the notes during startup). 
>  
> Thanks and Regards
>  
> Sarthak Sharma
> 
> 
> 
> Site Reliability Engineer, Media.Net
> +918002228376 <tel:+918002228376> | sarthak...@media.net 
> <mailto:sarthak...@media.net>
>  
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