Hey Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ Unlocking a World of Possibility @ Ready 2025

https://www.youtube.com/embed/Gdb3FWlhSl4
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InterSystems Developer Community is a community of 25,772 amazing developers
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Overview I'm excited to announce the release of testcontainers-iris-node, a Node.js library that makes it easy to spin up temporary InterSystems IRIS containers for integration and E2E testing. This project is a natural addition to the existing family of Testcontainers adapters for IRIS, including testcontainers-iris-python and testcontainers-iris-java.

Why testcontainers-iris-node? As a Node.js developer working with InterSystems IRIS, I often faced challenges when setting up test environments that mimic production. testcontainers-iris-node solves this by leveraging the testcontainers-node framework to create isolated IRIS environments on-demand.

This is particularly valuable for:

  • Integration testing with IRIS databases
  • Testing data pipelines or microservices
  • Automating test environments in CI pipelines

Features

  • Launches IRIS in Docker containers using Testcontainers
  • Supports custom Docker images and configuration
  • Wait strategies to ensure IRIS is ready before tests begin
  • Clean teardown between test runs

Open Exchange app
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I feel I may be in the "people unclear on the concept" group here.

System Default Settings is a great mechanism, and we use some custom code to deploy it in our pipeline after environment specific changes have been applied to the content. However, we are trying our best to reduce the amount of custom code we use in our system that does not relate directly to the business. For CI/CD, this means we are trying to leverage IPM for the heavy lifting.

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Hey Community,

We're pleased to invite all the developers to the upcoming kick-off webinar for the InterSystems Developer Tools Contest!

Date & Time: Monday, July 14 – 11 am EDT | 5 pm CEST

https://www.youtube.com/embed/IAkl-ILb0h4?si=44UviRgZCOQuE6aE
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Article
· May 20, 2025 3m read
A knockout of weight

image

Just like a knockout punch, without giving the opponent a chance, Kubernetes, as an open source platform, has a universe of opportunities due to its availability (i.e., the ease of finding support, services and tools). It is a platform that can manage jobs and services in containers, which greatly simplifies the configuration and automation of these processes.

But let's justify the title image and give the tool in question the “correct” name: InterSystems Kubernetes Operator.

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I have a widget that uses "choose Data source" control option. Termlist for the control consist of the two data sources and i want to set one of them by default. For example: I have two data sources, one is grouped by month, the other by year. I need to set the one that is grouped by year by default

Using default value at the bottom return an error

How can i achive that?

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Hi Community,

We're pleased to present you with the latest and, obviously, the hottest presentation of the first day of the UK&I Data Summit in Birmingham! It is dedicated to the Developer Ecosystem and done by @Dean Andrews, Head of the Developer Relations at InterSystems:

⏯ Developer Ecosystem: Latest News @ UK&I Data Summit

https://www.youtube.com/embed/z8k8BOh_DNk
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Hi, Community!

Are you working with clinical data in a research setting? See how InterSystems OMOP streamlines data integration and analysis.

Using InterSystems OMOP to Transform FHIR Data

https://www.youtube.com/embed/kXpTyKL_-nA?utm_source=youtube&utm_medium=social&utm_campaign=kXpTyKL_-nA
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Hi Everyone!

The Certification Team of InterSystems Learning Services is currently developing an InterSystems ObjectScript Specialist certification exam. Earlier this month we reached out to our community for feedback that will help us evaluate and establish the contents of this exam. We are still currently accepting responses and would love to hear your feedback!

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Article
· Nov 12, 2025 9m read
IKO Plus: VIP in Kubernetes on IrisClusters

Power your IrisCluster serviceTemplate with kube-vip

If you're running IRIS in a mirrored IrisCluster for HA in Kubernetes, the question of providing a Mirror VIP (Virtual IP) becomes relevant. Virtual IP offers a way for downstream systems to interact with IRIS using one IP address. Even when a failover happens, downstream systems can reconnect to the same IP address and continue working.

The lead in above was stolen (gaffled, jacked, pilfered) from techniques shared to the community for vips across public clouds with IRIS by @Eduard Lebedyuk ...

Articles: ☁ vip-aws | vip-gcp | vip-azure

This version strives to solve the same challenges for IRIS on Kubernetes when being deployed via MAAS, on prem, and possibly yet to be realized using cloud mechanics with Manged Kubernetes Services.

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Hi,

I'd like to report a really strange behavior of the Intersystems Lite Terminal after executing a simple ObjectScript instruction.

From the Intersystems Lite terminal, execute the following instructions:

- Set uniqueId = "12345678_1"
- Set uniqueId = $p(uniqueId,"_",1)_"_"_($p(uniqueId,"_",*)+1)
After executing the second instruction, the terminal closes without any error.

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Question
· Sep 30, 2025
Move to immutable backups

At the moment, we have 10 HealthShare instance servers (5 x mirrored pairs), where we implement an External Backup approach, using the freeze/thaw commands against whichever server of the pair is the backup mirror member, to complete a VM level backup. These backups are stored to a disk within our control, to purge as required. This approach allows us to deliver a zero downtime backup approach.

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Hello to all my fellow Cache Developers/Experts out there :)

The purpose of this post is to get input/feedback regarding an issue we are having with our Cache LIS web-based application not being able to remove locks that were taken under a separate process.

Here is the background of how the LIS does the locking and details about the issue:

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I had a need for a Filter, but did not want to recreate the wheel by creating another Data Lookup Table, so instead I created a Linked Table that points to a MS SQL Table outside of IRIS.

Once I had the Linked Table, I created a Class Method Function that would query the Linked Table and return a 1 if a result came back.

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For those that use IRIS for Health, HealthShare, and or Health Connect...

As Health Applications are moving to the Cloud, how have you handled communication from the Application to your instances via HTTPS?

Trying to figure out the best path on designing the proper workflow to allow these messages to be allowed to be eventually sent to our EMR to post to the patient chart.

We are very wary of opening a connection from the internet to our instance of Health Connect.

Thanks

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Question
· Apr 20, 2025
Global mapping priority

Hi,

If I map all globals with (*) to a database1, then would like to map specific only some globals eg. MYGLOB* to be located in a different database2, which mapping will override the other, so would all globals that starts with MYGLOB* be placed in database1 or 2?

Thanks

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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ Case Studies in InterSystems Supply Chain Orchestrator @ Global Summit 2024

https://www.youtube.com/embed/z73G-wqWVV0
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As applications grow, every database eventually hits scaling limits. Whether it's storage capacity, concurrent users, query throughput, or I/O bandwidth, single-server architectures have inherent constraints. This guide explains fundamental approaches to database scalability and shows how InterSystems IRIS implements these patterns to support enterprise-scale workloads.

We'll explore two complementary scaling strategies: horizontal scaling for user volume (distributing computational load) and sharding for data volume (partitioning datasets). Understanding the general principles behind these approaches will help you make informed decisions about when and how to scale your IRIS applications.

The examples in this guide use InterSystems IRIS in Docker containers.

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I was wondering if anyone had a way to automate creating the Query String for a FHIR Request?

Using HS.FHIRServer.Interop.Request in my development I have to specify the following...

I was wondering.... if my source had variable number of fields if there was a way to automate the build for the QueryString when doing a Patient Search?

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