InterSystems FAQ rubric

To resolve the error <PROTECT>, remove the read-only attribute of the system-wide library database (IRISLIB for InterSystems IRIS, CACHELIB for Caché/Ensemble/HealthShare (Caché-based))

Once you have finished importing the routine, remember to change it back to read-only.

[Version 2013.1 and above]
[Management Portal] > [System Administration] > [Configuration] > [System Configuration] > [Local Database] Uncheck "Mount read-only" from the database name link.

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Article
· Jan 21 1m read
Debugging a crashing container

I have been struggling with a docker run command that kept crashing, the error message was too generic to point me to the right direction.

Since the container is shut down after the failure, I was unable to login to it in order to figure out the problem.

I had to run the container in a way that I'll be able to log into it before it crashed, so I found the adding -u false prevents the docker run command to run the iris session IRIS and the container stayed up and running. then I was able to log into it using:

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InterSystems FAQ rubric

For volatile tables (tables with many INSERTs and DELETEs), storage for bitmap indexes can become inefficient over time.

For example, suppose that there are thousands of data with the following definition, and the operation of bulk deletion with TRUNCATE TABLE after being retained for a certain period of time is repeatedly performed.

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InterSystems IRIS offers various ways how to profile your code, in most cases it produces enough information to find the places where the most time is spent or where the most global sets. But sometimes it's difficult to understand the execution flow and how it ended at that point.

To solve this, I've decided to implement a way to build a report in a way, so, it's possible to dive by stack down

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Hi Developers,

Watch this video to learn about new features of IntegratedML, such as support for larger datasets and new syntax for time series forecasting:

IntegratedML: New & Next @ Global Summit 2023

https://www.youtube.com/embed/uCyjFozKad8
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Hi Developers,

Watch this video to learn the different roles in OAuth 2.0, scopes, tokens, important authentication flows/grant types, and more:

OAuth 2.0 Fundamentals @ Global Summit 2023

https://www.youtube.com/embed/5zLdCs5cCd0
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Article
· May 23, 2023 1m read
Production settings

When developing interoperability productions, it might be useful to have settings outside of a Business Host. The primary reason is when you need a setting to affect several different Business Hosts and want to guarantee that the value is the same. While System Default Settings can be used to propagate settings for Business Hosts, they can be changed by overriding the value on a BH level (although the advantage of Business Host settings set via SDS is that they don't need custom code which our current approach requires).
Another reason is when you need to affect non-setting parts of the Business Host configuration (PoolSize, Enabled, etc.)

We will be adding an env setting to a production.

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Introduction

A password manager is an important security tool that allows users to store and manage their passwords without the need to remember or write them down in insecure places. In this article, we will explore the development of a simple password manager using the Flask framework and the InterSystems IRIS database.

Key Features

Our password manager application will provide the following key features:

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Hey Developers,

Enjoy watching the new video on InterSystems Developers YouTube:

InterSystems Supply Chain Orchestrator

https://www.youtube.com/embed/IM2Qm7cOuuk
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Article
· Jul 4, 2023 2m read
IntegratedMLandDashboardSample

A simple data analysis example created in IntegratedML and Dashboard

Based on InterSystems' Integrated ML technology and Dashboard, automatically generate relevant predictions and BI pages based on uploaded CSV files. The front and back ends are completed in Vue and Iris, allowing users to generate their desired data prediction and analysis pages with simple operations and make decisions based on them.

# ZPM installation

zpm:USER>install IntegratedMLandDashboardSample

# Process Deployment

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  • The idea of this package is to compare the performance of columnar storage inside IRIS without wrapping it to some foreign platform that is not my world
  • In addition, I do not want to measure network performance between 2 containers, but inside a closed IRIS environment that I have fully under my control
  • Even the use of SMP or some other browser-based presentation has some influence that I want to avoid.
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Hi Community,

Watch this video to learn how to leverage embedded (server-side) source control in a build pipeline using the git- source-control package and other additional tools:

Embedded Source Control with Git & Containers @ Global Summit 2023

https://www.youtube.com/embed/wAmB2gp_XLw
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Hello Community,

I'd like to share with you our article with @Regilo Regilio Guedes de Souza on AWS Amazon blog Automating application-consistent Amazon EBS Snapshots for InterSystems IRIS databases. Our team has created this step-by-step instruction to create application-consistent snapshots for InterSystems IRIS databases. In this article, we outline how to automate pre-scripts to pause I/O and flush buffer to disk and post-scripts to thaw I/O, as shown in the following figure:

Architecture diagram for automating application-consistent EBS Snapshots for InterSystems IRIS databases.

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Wanted to share something I learned recently while working on a problem. We needed to add and change some Business Hosts in one of our edge productions.

In the past, we simply added the production class to CCR and then spreading it around. But there was a problem because different developers were working on different things, and we only wanted to include only the relevent production changes onto the CCR.

Here's a little piece of code that can help add new things to an existing production:

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Last Friday November 17 suddenly ran into an error where ZPM would issue an error saying:

ERROR! Object open failed because 'Name' key value of 'xx' was not found

I googled but found no specific help. Step by step I was able to conclude that:

  1. This is the error message for error 5770, also known as $$$KeyValueNotFoundOpen.

  2. In objectscript, this error can be raised by calls to NameOpen, where 'Name' is the first quoted part in the error message.

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InterSystems FAQ rubric

If multiple InterSystems products are installed on the same system, the latest version of the InterSystems ODBC driver among the installed products will remain registered in the driver manager.

You can change to any driver by changing the registry entry below.

Please note that running RegFiles.bat does not change the ODBC driver.

The registry entry is as follows.

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Hey Developers,

Watch this video to learn about observability of your InterSystems IRIS application with InterSystems System Alerting and Monitoring (SAM) and modern DevOps tooling:

Observability with InterSystems IRIS @ Global Summit 2022

https://www.youtube.com/embed/pJUm5GABMXU
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I have created a global say ^myglobal and entered some data. I am storing the name of global in databases and fetching the name based on some criteria. I am getting "^myglobal" in return from databases but i am not able to fetch the data I stored in the global.

I tried set var = result.global which gives me "^myglobal" in var. Doing WRITE var will return "^myglobal" and not the data i stored in this global.

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InterSystems FAQ rubric

There is no need to recompile the routines after the version upgrade, but since the version update overwrites %SYS, user-created INT and OBJ format routines (*.INT,*.OBJ) in %SYS will be deleted. Therefore, you need to be careful.

MAC, INT and OBJ routines with the following names are not deleted.

%Z*.INT, %z*.INT, Z*.INT,z*.INT
%Z*.OBJ, %z*.OBJ, Z*.OBJ,z*.OBJ

Please note that classes/CSPs need to be compiled after upgrading.

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Sometimes we need to know for sure if the current environment has sufficient cores, memory, and bandwidth to support the planned number of users and such SLAs as latency, response time, and availability. This is true for databases and backends. This is why it is mandatory for critical applications and databases to simulate the users simultaneous/concurrent requests and collect metrics about performance and availability.

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Hi Developers,

Hit play on the new video on InterSystems Developers YouTube:

Columnar Storage - The Lean Data Warehouse @ Global Summit 2023

https://www.youtube.com/embed/3BivXX1gImQ
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If you work with Productions, highlighting connections between Business Hosts is a very convenient feature, allowing developers to get a visual representation of a data flow.

This feature works by default with all system Business Hosts. If a user writes their own Business Services, Processes, or Operations, they must implement the OnGetConnections method for this functionality to work with their custom Business Hosts (or use Ens.DataType.ConfigName properties for connections).
That said, the SMP shows only the first layer of connections of the selected Business Host. Sometimes, we need to get connections of connections recursively to build a complete data flow graph. Or we might need this connection information to check which downstream systems might be affected by a change upstream.

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Article
· Nov 28, 2023 2m read
k9s - Manage Your IrisClusters In Style

K9s is a terminal-based UI (aka kubectl clown suit), to manage Kubernetes clusters that drastically simplifies navigating, observing, and managing your applications in K8s, including Custom Resources like the InterSystems Kubernetes Operator (IKO) and ArgoCD Applications. If you are about to take your CKD, CKA, or CKS, leave k9s well enough alone for awhile as the abstraction to kubectl will become the standard for navigating the cluster and you will undoubtedly become estranged to the extended flags of kubectl and bomb the exam.

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