As the title says, I've noticed that files that gets saved to the disk where the database lies (.DAT file) in the stream directory, does not get purged. Is this expected and do we need to create our own schedule task to clean this folder up?

I could only find old answers that say this, however I find it a bit odd if that is the case because they are considered temporary files. Perhaps I do not handle the streams correctly in the code?

I have a rest API Class used for getting data from Cache 2018 version.
I have single route '/callfuntions'
I send the following parameters to the API :- className, methodName, params
I use $CLASSMETHOD to execute and send the result back to the client.

If I make more that 10 to 12 requests in quick succession, then it stops sending data.

For background, I've developed code that relies on %JSON.Adaptor functionality across an entire package of classes in our codebase. In regenerating these classes with %JSON.Adaptor as a superclass, I've encountered compilation errors from the JSON adaptor generators in certain classes, triggered by certain property types or parameters that are incompatible.

Hello Community,

Is it possible to retrieve/find all the names of subroutines, procedures, or functions from a deployed routine?. in the routine below, how can I extract names like x2 and execsql? I’ve just tried using openId on %RoutineMgr but it didn’t help.

Hello,

We had a weird behavior of task manager in mirror async backup-failover pair:

Hi,

Can anyone please tell me how to append a string using a update query.

For eg : "Hello" is the string . I need to append the string world and it needs to be "Hello world".

Thanks

Jude

Hello community,

The Certification Team of InterSystems Learning Services is excited to announce the release of our new InterSystems IRIS Development Professional exam. It is now available for purchase and scheduling in InterSystems exam catalog. Potential candidates can review the exam topics and the practice questions to help orient them to exam question approaches and content. Candidates who successfully pass the exam will receive a digital certification badge that can be shared on social media accounts like LinkedIn. If you are new to InterSystems Certification, please review our program pages that include information on taking exams, exam policies, FAQ and more.

I have a local testing environment using VSCode.

I'm trying to create a routine %Test.mac, but keep getting permission error.

I have enabled write permissions to percent globals in the Admin Portal.

I'm connecting to Iris with superuser.

How do I give myself permissions?

Thanks

Introduction

Hello! In this article, I will be discussing database degrade, a type of data integrity issue one can face when using IRIS. First, I will be going over a review of the structure of IRIS databases. I'll then discuss how database degrade can manifest and common causes of degrade issues. I'll then conclude with general tips we give our customers about how to prevent or prepare for database degrade issues.

Hello IRIS community,

InterSystems Certification is currently developing a certification exam for InterSystems IRIS SQL professionals, and if you match the exam candidate description given below, we would like you to beta test the exam! The exam will be available for beta testing starting May 19, 2025.

Hi developers!

Observing the avalanche of AI-driven and vibe-coding developer tools that have been appearing lately almost every month with more and more exciting dev features, I was puzzled whether it is possible to leverage it with InterSystems IRIS. At least to build a frontend. And the answer - yes! At least with the approach I followed.

Here is my recipe to prompt the UI vs InterSystems IRIS Backend:

1. Have the REST API on the IRIS side, which reflects some Open API (swagger) spec.
2. Generate the UI with any vibe-coding tool (e.g., Lovable) and point the UI to the REST API endpoint.
3. Profit!

Here is the result of my own exercise - a 100% prompted UI vs IRIS REST API that allows to list, create, update delete entries of a persistent class (Open Exchange, frontend source, video):

What is the recipe in detail?

Regardless of whether an instance of IRIS is in the cloud or not, high availability and disaster recovery are always important considerations. While IKO already allows for the use of NodeSelectors to enforce the scheduling of IRISCluster nodes across multiple zones, multi-region k8s clusters are generally not recommended or even supported in the major CSP's managed Kubernetes solutions. However, when discussing HA and DR for IRIS, we may want to have an async member in a completely separate region, or even in a different cloud provider altogether.

Hello Community,

I executed the below query in the %ZLANGC00.mac routine. It returns results when using dynamic SQL, but not with embedded SQL(returns 0).

I have a table in the development and want to erase data from certain columns. There is info in the docs but not for human

This piece of code does not work

ALTER TABLE table DROP COLUMN column %DELDATA