Hi there have been various posts around how to clean up globals without parent data but none have gone into how you solve these issues. 

Our database is approaching 600gb in size so i am looking into how to reduce this. 

We use standard purge tasks. 

Our cache stream class has a global size of 2463243 from running global size so it is what i would like to tackle first. 

1) is there any way i can find based on my oldest message session for where most of these globals 

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In this article you will have access to the curated base of articles from the InterSystems Developer Community of the most relevant topics to learning InterSystems IRIS. Find top published articles ranked by Machine Learning, Embedded Python, JSON, API and REST Applications, Manage and Configure InterSystems Environments, Docker and Cloud, VSCode, SQL, Analytics/BI, Globals, Security, DevOps, Interoperability, Native API. Learn and Enjoy!

 

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Motivation

This project was thought of when I was thinking of how to let Python code deal naturally with the scalable storage and efficient retrieving mechanism given by IRIS globals, through Embedded Python.

My initial idea was to create a kind of Python dictionary implementation using globals, but soon I realized that I should deal with object abstraction first.

So, I started creating some Python classes that could wrap Python objects, storing and retrieving their data in globals, i.e., serializing and deserializing Python objects in IRIS globals.

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Question
Jonathan Wald · May 25
Data import/export

I am creating "models" that contain rows in several class tables called Model, Path, Node.

So, model 19 includes 1 row in the Model table, 11 rows in the Path table, and 10 rows in the Node table. 

I'd like to write some utilities to "move" model 19 from one instance to another.

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Article
Yuri Marx · Apr 4 12m read
Store Mindmaps using Globals

  

Globals are the core of the InterSystems IRIS for data persistence. It is flexible, allowing store JSON documents, relational data, object oriented data, OLAP cubes and custom data models, like Mindmaps. To see how to store, delete and get mindmap data using globals, follow these steps:

1. Clone/git pull the repo into any local directory

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Hi Developers!

Here're the technology bonuses for the InterSystems IRIS Globals Contest 2022 that will give you extra points in the voting:

  • Data-model implementation - 5
  • Functional index implementation - 5
  • Data Move usage - 3
  • Embedded Python - 4
  • Docker container usage - 2 
  • ZPM Package deployment - 2
  • Online Demo - 2
  • First Article on Developer Community - 2
  • Second Article On DC - 1
  • Code Quality pass - 1
  • Video on YouTube - 3

See the details below.<--break-><--break->

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Hi Community,

We are pleased to invite all the developers to the upcoming InterSystems Globals Contest Kick-off Webinar! The topic of this webinar is dedicated to the Globals contest.

In this webinar, we’ll show you how to deal with Globals to implement different data models and sophisticated indexes. As always, our experts will answer the questions on how to develop, build, and deploy Globals solutions using InterSystems IRIS.

Date & Time: Monday, March 21 – 11:00 AM EDT

Speakers:  
🗣 ​​​@Daniel Kutac, Senior Sales Engineer
🗣 @Joel Solon, Senior Technical Trainer
🗣 @Timothy Leavitt, Development Manager 
🗣 @Evgeny Shvarov, InterSystems Developer Ecosystem Manager

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This example demonstrates the difference you may experience when you write to
Gllobals directly from Embedded Python compared to native ObjectScript.

To make this demo useful I start 2 background jobs that simply write sequentially
to a dedicated global. A common control method signals for a synchronous start.
Similar a common stop & view interrupts data feeding.

That's the principle process:

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Hey InterSystems Community!

This is probably far-fetched - is there a way to get notified/get a piece of code triggered whenever the state of a global changes?

Now what could I possibly want with that? Quite simple! I would like to forward the content of a global (in this case the "FSLog" global written by the FHIR implementation) while adding timestamps to it - to create some sort of file-based logging for it.

 

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Dear people,

I (really) spent hours on finding the maximum size a Global is allowed to be (for Windows, if that matters). All I seem to run into are database sizes (derived from a max number of blocks and block size), but I refuse to believe that is correct because too small to be realistic. surprise 

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Hi developers!

As you probably noticed in IRIS 2021 the names of globals are random.

And if you create IRIS classes with DDL and want to be sure what global was created you probably would want to provide a name.

And indeed you can do it. 

Use WITH %CLASSPARAMETER DEFAULTGLOBAL='^GLobalName' in CREATE Table to make it work. Documentation. See the example below:

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