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#Monitoring

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Monitoring is a process of controlling and management of performance and availability of software applications.

Question
· May 9, 2016
Production Monitor

At the Global Summit several folks had mention that they developed their own production monitor. I am looking to create a monitor similar to eGate that we only display those Services/Processes/Operations that are in trouble, and those Errors that are showing up in the Event Log. Does anyone have any examples of this?

Thanks

Scott Roth

The Ohio State University Wexner Medical Center

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Is it possible to dynamically adjust the RetryInterval andFailureTimeout settings in a BPL?

I've got a business process that calls a web service operation to get a session ID from an external system. There is a string property returned in the body of the response that indicate an exception occurred in the external system. I have code in the BPL that examines the property and sets the status property to an error status when that occurs.

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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.

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Hi all.

A long time ago I enabled Activity Monitoring to be able to save myself headaches in the future when looking at the performance of various message routes through our productions. It's served it's purpose of answering questions on how many messages we process a week etc but I had not had the chance to really dig down into the stats for specific message types or destinations to pin point issues.

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Hello everybody,

In the documentation I read the following:

Alerts are messages generated by production components. InterSystems IRIS automatically writes the alerts to a log file and sends then to the production component named Ens.Alert. If your production does not have a component named Ens.Alert, then InterSystems IRIS writes alerts to the log file but does not send them to any component. The component named Ens.Alert can be of any class. The most frequently used classes for Ens.Alert are:

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Internally we use splunk for monitoring applications and network.

Does Ensemble have a way of exposing internal metrics and/or a way of exposing custom built metrics?

I've used Deepsee dashboards in the past to monitor Apache Tomcat/Apache Camel/hawtio using JMX rest calls. This is the other way around and ideally I'd like to expose metrics on:

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My employer set up a web-based HL7 interface monitor dashboard that will display all Ensemble components (Service/Process/Operation) in a Production, their status, and the support information embedded in each interfaces listing on the Monitor. Please see 3 screenshots.

This is part of the URL that we go to when accessing this Web based Monitor: ......57772/csp/healthshare/monitor/Rush.Monitor.Web.Home.cls

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I know there's a whole chapter on the subject but I would love a super simple video demo or sample configuration or training course. The myriad menu of options and unfamiliar prompts can make it a bit daunting. The challenge is simple. Send an email notification if the license usage exceeds n% LU consumption. Why? A recent software change seemed to be responsible for causing the LU total consumption to reach 100%.

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We are running HealthShare on Linux Redhat via Azure.

A couple of days ago, the Azure server rebooted. Which we were unaware of.

Resulting in the Instance being in a downed status.

In the short term I put together a quick script to check the status, if it is down to restart it.

However, before I go down that road, I thought it would be best to inquire if there is a much better and more streamlined solution?

In a nutshell I just want to check and see if the Instance is up or in a state such as down or hung then start it.

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I am looking for a database management tool I would have expected to find something like on the SMP website

Aim

show current database usage (ie size allocation) by database then table etc and allow continued drill down,

show information as a table, so can then sort by size to find the biggest item easily

also show it graphically

And then have ability to track and trend growth in size over time

identify a normal growth pattern

alert if variation (higher or lower) from normal based on recent trend

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Question
· Nov 9, 2017
Detecting and managing failover

I have Ensemble/Healthshare running in a production environment which is setup with a mirror failover and an arbiter sitting between them.

In the event of a failover we have a number of connections that need stopping/monitoring and starting in a certain order.

Is there a programmatic way we can detect the failover and stop certain services and operations immediately and then start them up again in the required order, checking their connection state before starting the next connection.

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Question
· Oct 20, 2016
%UnitTest Code Coverage

Hi,

When we write unit test cases for cache object script code using %UnitTest.TestCase, what is the best way to write code to identify code coverage?

So, let say my unit test case hit all 10 lines of code of a method for a given class. So, unit test coverage should be 100% for that. But, using line-by-line coverage [(%Monitor.System.LineByLine] getting wrong percentage, because it also includes code comment/documentation as part of code. So, practically we can not ever achieve 100% of code coverage by using this API.

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Question
· Feb 26, 2018
Monitoring with Zabbix

Hi community,

I need to monitor Caché Intersystems with some custom indicators.

I started customizing the SNMP Mib. But I've been in a Zabbix event, all speakers use ODBC to monitor their database, Oracle, MySQL, PostgreSQL ...

What is the best way? Use ODBC or SNMP Custom Mib?
What are you guys using?

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In the Windows Ressource Manager I can observe multiple parallel processes coming from cache.exe with read operations to journaling files.

All except one of these processes have the same reads(Byte/s). The processes point to different journal files and constantly read between 200 and 3000 Bytes/s.

The corresponding process via PID in the management portal of Caché shows the process %SYS.Monitor.Control.1. In 3 days of uptime on the server it has run 181.632.583 commands and modified 32.140.642 globals.

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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.

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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.

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We have multiple implementations spanning many namespaces and edges. I would like to see if I could identify a single place, perhaps on HSREGISTRY or HSBUS, that I could capture certain events like searches (from all customers) and record transfers (with requester and provider).

The goal is to have a dashboard that would show simple stats such as searches by participant, records shared by participant and records consumed by participant. These are the 3 most important.

I appreciated the feedback on the other question of "how" but now I'm hoping to find the "Where".

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Can Cache Monitor (^MONMGR) and System Monitor be configured to also send 'OK' messages? With the first bad email, you still wonder if things are still broken, when in-fact normalcy has been restored, some even within some seconds.

typical examples : -

------ - - - -- - - - -- - -- --- - -- -- -- - - - -- -- -- - --- - - - -- - - -- - - -- --- - - -- -- -- - - --- - - - - --- -- --- - - -- -- --- - - --- - --- -- - - -- -

Sent: Monday, 14 November 2016 11:51 AM

To: Email

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I'm using the EnumerateJobStatus query of class Ens.Util.Statistics to obtain the LastActivity value of a Business Host.

I would expect that this would return the timestamp of the last message received by the BH, understanding that any connect/disconnect activity would reset that timer. However, the time returned appears to actually be the time at which Ens.MonitorService generated the alert and is not directly related to anything that happened in the BH itself.

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My group needs to be able to monitor items / tasks, and let a non-management-portal user see the monitoring. Is it possible to run DeepSee queries on Production items? I feel like I should not be recreating the production environment or the task manager just so that I can query on the items that are running, and on their states (like "successful" or "send email").

Also, I need to log custom events for each task, and I'm running into difficulties with the task manager in this regard; hence the question about using the Production instead, but querying it.

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Hello,

In response to the infrastructure needs of our company's service, I've created a small API that sends SNMP queries to InterSystems to visualize relevant data for retrieval when the infrastructure implements monitoring.

However, I'm experiencing a timeout issue when attempting to collect information using an SNMP walk. Here is the code for my API's SNMP service:

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