Monitoring

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The following steps show you how to display a sample list of metrics available from the /api/monitor service.

In the last post, I gave an overview of the service that exposes IRIS metrics in Prometheus format. The post shows how to set up and run IRIS preview release 2019.1.4 in a container and then list the metrics.


This post assumes you have Docker installed. If not, go and do that now for your platform :)

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Released with no formal announcement in IRIS preview release 2019.1.4 is the /api/monitor service exposing IRIS metrics in Prometheus format. Big news for anyone wanting to use IRIS metrics as part of their monitoring and alerting solution. The API is a component of the new IRIS System Alerting and Monitoring (SAM) solution that will be released in an upcoming version of IRIS.

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Hi, everyone!


I want to share a personal project that started with a simple request at work: 

Is it's possible to know how many Caché licenses we are using? 

Reading other articles here in the community, I found this excellent article by  David Loveluck 

Last comment 6 November 2019
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APM normally focuses on the activity of the application but gathering information about system usage gives you important background information that helps understand and manage the performance of your application so I am including the IRIS History Monitor in this series.

In this article I will briefly describe how you start the IRIS or Caché History Monitor to build a record of the system level activity to go with the application activity and performance information you gather. I will also give examples of SQL to access the information.

Last comment 8 October 2019
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We are constantly running into issues where there are billions of Orphaned messages in our system that cause problems, and we have to manually run a cleanup to fix performance issues.

 In the following article about orphaned messages... https://community.intersystems.com/post/ensemble-orphaned-messages it mentions either programmatically eliminating the Orphaned messages or using a Utility like Demo.Util.CleanupSet in ENSDEMO.

Last answer 2 October 2019 Last comment 4 October 2019
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This post is dedicated to the task of monitoring a Caché instance using SNMP. Some users of Caché are probably doing it already in some way or another. Monitoring via SNMP has been supported by the standard Caché package for a long time now, but not all the necessary parameters are available “out of the box”. For example, it would be nice to monitor the number of CSP sessions, get detailed information about the use of the license, particular KPI’s of the system being used and such. After reading this article, you will know how to add your parameters to Caché monitoring using SNMP.

Last comment 20 September 2019
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Hi all,

I recently discovered the Monitoring Activity Volume feature in IRIS and I was amazed by it. So, I put it to work in one of our productions. It is nice how easy it is to set up and all the possibilites that came with it.

But there's something weird: the numbers. Actually, one of the BP is stating a time of more than 6 seconds to process:

 

Last comment 13 September 2019
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Hello,

I want to create a dashboard with a line graph that shows system availability over time. I used this code to create a Dashboard:

   

            Set tItem = ##class(%DeepSee.UserLibrary.Link).%New()
                Set tItem.fullName = "Availability"
                Set tPage = "Availability.UI.CSVImport.zen"
                Set tItem.href = $system.CSP.GetPortalApp($namespace,tPage)_tPage
                Set tItem.title = "Availability"
                Set tSC = tItem.%Save()

 

Last answer 15 August 2019 Last comment 23 August 2019
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I'm a DBA and support Caché databases on AIX. I coded shell scripts for monitoring journaling status, databases size, license end date.

We recently got a new instance of Caché on Windows. I'm just curious to know whether anyone coded database monitoring scripts on Windows using PowerShell or any other scripting language.

If yes, please share the details.

 

Thanks & Regards,

Bharath Nunepalli.

Last answer 21 August 2019 Last comment 21 August 2019
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Hi all,

I'm looking to set up monitoring for several interfaces. I understand that I can set an Inactivity Timeout. However, obviously there are messages coming through more frequently during certain hours than other hours. 

Is there a way to set an Inactivity Timeout for each hour of the day instead of one value that is used all day long? 

Best,

Erin

Last answer 16 July 2019 Last comment 1 August 2019
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I've setup ODBC connection so I can access Cache data within SQL Server.

I want to be able to write SQL queries for internal monitoring purposes, similar to what's possible with SQL Server.  Specifically I want to be able to check mirroring status (i.e. check which is the current primary mirror member), check the status of any Ensemble productions (started/stopped), check the status of business hosts etc.  I want to do all of this from SQL Server to go with our other system monitoring solutions.

Last answer 1 August 2019
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This is a self contained class that can be run from the Intersystems Task Scheduler which records peak usage details for databases and licenses built up throughout the day and retaining 30 days history.

To schedule the task to run every hour:  

d ##class(Metrics.Task).Schedule()

You can also specify your own start time, stop time, and run interval:

d ##class(Metrics.Task).Schedule(startTime, stopTime, intervalMins)

Metrics are stored in ^Metrics in the namespace that the class resides in/is run from.

Last comment 13 July 2019
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Note (June 2019): A lot has changed, for the latest details go here

Note (Sept 2018): There have been big changes since this post first appeared, I suggest using the Docker Container version, the project and details for running as a container are still in the same place  published on GitHub so you can download, run - and modify if you need to.

Last comment 12 June 2019
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This example is extracted from a long-running installation. The purpose is to have a simple monitoring of several servers at a rather primitive level. Just slightly more intelligent than a raw PING. But still easy to integrate. It avoids the overkill of information you are often confronted with while you are just interested in the number of active process or similar basic figures.

The code is available for you on Open Exchange too.

Last comment 30 May 2019
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Has anyone tried the new Activity Volume Statistics and Monitoring  in Ensembel 2016.1? I would love to get some feedback.

If you haven't read about this, there is a dashboard that provides counts and response times for messages sent and received by each configuration item. Alternatively the underlying data is arranged in tables that should make it easy for you to use your favorite SQL reporting tools to generate reports for short term performance monitoring or longer term capacity planning.

Dave

Last comment 25 April 2019
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There have been some very helpful articles in the community that show how to use Grafana with IRIS (or Cache/Ensemble) by using an intermediate database.

But I wanted to get at IRIS structures directly. In particular, i wanted to access the Cache History monitor data that is accessible by SQL as described here

https://community.intersystems.com/post/apm-using-cach%C3%A9-history-mon...

and didn't want anything between me and the data.

Last comment 26 February 2019
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Can someone tell me if /deepsee-sysmon-dashboards is developed for a specific version of Ensemble? Looks like it could be useful to my group but we aren't upgrading till later this year and we are on 2015.2.2.

Last answer 7 January 2019
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In looking at the Production monitor within Ensemble, I was wondering if there is a way we could customize it for our use. I notice it is basically a dashboard.

For example I would only like to truly display those Services, Processes, and Operations that are truly in dire need of attention. The Monitor out of the box just seems too busy, and I would like to simplify it.

Last comment 3 December 2018
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Hi

Totally new to IRIS and Cache.

Trying to evaluate it and work out how we could use it.

As a standard application database. Object or relational etc. does not matter. 

Issue is ObjectScript.

So:

1) Can we develop, maintain and use an IRIS database and never use ObjectScript i.e. use only Java, Python, C++ interfaces etc. (exactly which one does not matter)? Would that make designing and using the IRIS database more prone to inefficiency and error?

Last answer 14 November 2018 Last comment 14 November 2018
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Hi,

We want to monitor an Ensemble Production and send custom email alerts in function of some Rules. For example, if we normally receive 1 message per second, if suddenly we receive 5 or more messages per second, we want to send an email alert. And if tomorrow we don't want to check this again, we want to disable it through Ensemble Business Rules.

Last answer 8 February 2017 Last comment 30 May 2018
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Hi All

I'm looking for the a simple-quick-easy solution to monitor a SQL table thought Ensemble.

I have a process that update a DataBase ,a scheduled task that runs every night  (Not Ensemble)

In the end it updates a table (replica_status) with a new recored with two fileds:  Id, DateTime

I looked around the community but didn't find an answerd case.

I'm thinking on a Task that will run a sql outboud adapter BO that checks that table and send a alert if no new record was created yesterday

is this the right approach or is there's a better solution?

Last answer 24 May 2018 Last comment 29 May 2018
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