Namespace

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A namespace is a logical entity which provides access to data and to code, which is stored in multiple databases

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Sometimes global mapping of the same globals can be defined in different ways. E.g., I need to define it for 3 globals ^qAuditC, ^qAuditLog, ^qAuditLogC from the same database named APP-NOJOURN. Which approach should be better from the performance point of view?

1) qAudit* => APP-NOJOURN (one record in global mapping table)
or

2) qAuditC => APP-NOJOURN
qAuditLog => APP-NOJOURN
qAuditLogC => APP-NOJOURN (three records in global mapping table)

From one hand, the less records in global mapping table, the better. From other hand, * can cause additional processing at run time. Global mapping table for a namespace contains about 20 records and can be compressed to 15 ones if "unduplicated" such way.

Any advice will be great appreciated.

P.S. I'm pretty sure that there would be no globals masked as qAudit* but those listed above.

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Alexey Maslov's picture
Post by Alexey Maslov 31 January 2019
Last answer 11 March 2019 Last comment 13 days ago
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Hi -

 

I need an example of what I need to "map" to have a common dashboard defined so it will visible/usable in multiple namespaces.

 

I have created a dashboard in "SAMPLES" (namespace and database) and I would like to have this dashboard be accessable/useable from a 2nd namespace, but I'm not having any success in doing mappings (global/package/routine/data) to be able to get DeepSee to be able to see/display the dashboard.

What is the minimum that I need to map?

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Chip Gore's picture
Post by Chip Gore 24 November 2015
Last answer 20 August 2018 Last comment 25 November 2015
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I have made a complete copy of our test namespace into a secondary test namespace.  Thereby we can test with our current EHR version and our soon to be deployed EHR version simultaneously.    However, we have a number of saved searches within the Message Viewer that we would like to have available within our secondary namespace.  Is it possible to export the saved searches within the message viewer?

Thanks!

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Brian Porterfield's picture
Post by Brian Porterfield 27 December 2017
Last answer 27 December 2017 Last comment 27 December 2017
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Hi community,

I got quite a busy namespace with lots of services, processes and operations. The Ensemble purge that runs daily keeps the last 10 days. I would like to increase the NumberOfDaysToKeep to 60, but only for a small number of the interfaces in the namespace, and I would like to do it in a way that will be seamless to the users, so they will not have to change the URL of their calls, or will even be aware of the change.
The one idea that I had is to move these few interfaces to a new namespace , but how do I then do it without affecting the URL? with a Pass-Through interface somehow?

The other idea is obviously to write custom purge routines for each interface or a group of interfaces, but that is too much of a hassle because it is basically a temporary  thing that we need, and wouldn't like to spend too much time on it.

I would like to hear what you guys think about these ideas as well as if you got any other ideas for me.

Thank you

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Motti Peretz's picture
Post by Motti Peretz 8 December 2017
Last answer 18 December 2017
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I have a couple of new namespaaces/databases that are read-only.  I don't remember changing them to read-only, and although my username has %all (I installed the system), I am unable to change the "Always mount as read-only" property.

What am I missing?

 

Thanks,

Laura

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Laura Cavanaugh's picture
Post by Laura Cavanaugh 14 November 2017
Last answer 14 November 2017 Last comment 14 November 2017
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Hi Everyone,

Link to webinar recording: https://learning.intersystems.com/course/view.php?id=623

Thank you for your interest in this webinar!

Please submit questions about the content of the webinar as comments below this article.

The webinar covers two topics: monitoring message activity and volume and monitoring disk space. I summarize and motivate the topics in the following two sections. The information in this webinar and post applies to the Ensemble, Health Connect, and HealthShare products. For simplicity, I am only going to refer to Ensemble in this post.

1) Monitoring Message Activity and Volume:

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Michael Brady's picture
Post by Michael Brady 4 May 2017
Last comment 16 May 2017
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Intersystems is all about name spaces. Each Name space can be mapped to one or more databases and vice versa. In my desktop with intersystems, Can i have DEV , TEST environments pointing to different name spaces at same point of time ? if i am right here, then the DEV environment is nothing but the namespace that we work on....Please let know

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Murali krishnan's picture
Post by Murali krishnan 3 May 2017
Last answer 3 May 2017 Last comment 3 May 2017
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Hi Everybody,

I'm trying to restore database to a 2016.2.2.853 caché version but i've some problems ...

Into my backup file, i've 6 namespaces. After use the Do ^DBREST and configure all namespace into the portal, I can only reach 2 of 6.

 

when I write zn "blabla" into the terminal, i've got this error message :

ZN "blabla"
^
<DIRECTORY> *r:\data\blabla


Of course, Database and namespace are correctly define.


I've try this on a previous version of caché (2015.2.2.811) and it's working fine.
So, do you already got this kind of issue with your caché server ?

 

Tanks a lot for your help!

Sam

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Samuël Dujardin's picture
Post by Samuël Dujardin 26 April 2017
Last answer 28 April 2017 Last comment 28 April 2017
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I have multiple namespaces in a Cache environment say NS1 & NS2. I want to add some restriction so that  a routine running in the NS1 should not access any resource(global/routine) belongs to namespace NS2.

The above restriction need for few of the clients only, so we do not want to write any custom logic in code. 

We are looking for some solution provided by Cache where we can restrict the namespace access.

Can somebody please help me on this.

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Susobhan Pandit's picture
Post by Susobhan Pandit 31 March 2017
Last answer 31 March 2017
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Currently, we have an application running in one namespace ("Database B") that has globals and routines mapped to another database ("Database A"). After enforcing clean up on Database A, we found that 90% of the disk is free. We would like to compact Database A and release the unused space. However, we are running OpenVMS, which seems to be the issue.

For databases consisting of only globals, we are able to use ^GBLOCKCOPY; however, we need to ensure that the routines and mappings are also copied.

What would be the best recommended way to do this?

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Mack Altman III's picture
Post by Mack Altman III 6 January 2017
Last answer 23 March 2017 Last comment 9 January 2017
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This is the second part of my long post about package managers in operating systems and language distributions. Now, hopefully, we have managed to convince you that convenient package manager and rich 3rd party code repository is one key factor in establishing of a vibrant and fast growing ecosystem. (Another possible reason for ecosystem success is the consistent language design, but it will be topic for another day.)

In this second part we plan to discuss the practical aspects of creating a package manager in general and their projection to the Caché database environment

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Timur Safin's picture
Post by Timur Safin 2 February 2017
Last comment 6 February 2017
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Currently, namespace Alpha is configured to use database AlphaDB as its global database. How would we go about having namespace Alpha configured to use database AlphaDB for its global database except where global ^Customers(CustomerId) has a CustomerId greater than 10M, which we would like to have it redirected to database BetaDB.

In other words, ^|"AlphaDB"|Customers contains all customers between 1 and 10,000,000; and ^|"BetaDB"|Customers contains all customers greater than 10,000,000. Any help would be appreciated.

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Mack Altman III's picture
Post by Mack Altman III 27 December 2016
Last answer 28 December 2016 Last comment 28 December 2016
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Hi,

is there a way to copy namespace mappings from another namespace to a new namespace programmatically with a command?

When using management portal there is an option to choose an existing namespace to copy the mappings from, I'm basically looking for the equivalent from command line / COS.

 

Thanks

Martin

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Martin Maier's picture
Post by Martin Maier 22 November 2016
Last answer 22 November 2016 Last comment 22 November 2016
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Hi,
We have been upgrading our application to ensemble 2016.1.1. I have moved my data to a particular namespace which i have created and now in management portal i have been getting an error message "namespace does not support Ensemble". Please give solutions to resolve this issue.

Thanks and regards

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Manikandasubramani S's picture
Post by Manikandasubramani S 1 November 2016
Last answer 1 November 2016
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If you are waiting for the Kindle Edition of Caché and MUMPS – Part II, I must apologize. I believed what others told me that once I have a book manuscript, the Kindle manuscript will be easy. Being a programmer I should have remembered: "never assume anything." The conversion to Kindle is proving a much bigger task than I thought. But don't lose heart, I am working full time on it. I have as my goal before May 1st. But, then again, you know what they say about goals. ;) - - Paul Mike Kadow

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Mike Kadow's picture
Post by Mike Kadow 26 March 2016
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