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Tasks by Frequency of Performance

This chapter divides the day-to-day operations and monitoring tasks into categories based on frequency of performance.

The tasks are grouped by the following frequencies:

Constantly

Tasks in this category either require constant monitoring or should be performed more than once every five minutes.

The following table describes the tasks that are in this category:

Constantly
Task Notes
Check ping  
Check SSH  
Monitor CPU utilization Alert on high CPU utilization.
Monitor for errors using Health Monitor and Log Monitor  
Monitor for memory swapping  
Monitor for mirror differences Each time you make manual changes on a mirror member, you should decide if you need to make the same changes on the other mirror members.
Monitor for network packet dGOPS or retransmissions Alert when excessive rates of network packet dGOPS or retransmissions occur.
Monitor InterSystems IRIS queues Alert when memory swapping occurs.
Monitor memory utilization Alert on high memory utilization.
Review Web Gateway error log Alert on errors.
Review web server error logs Alert on errors.

Hourly

Tasks in this category should be performed hourly.

The following table describes the tasks that are in this category:

Hourly
Task Notes
Monitor any externally mounted filesystems  
Monitor disk fill rate Alert on sudden increase in disk fill rate.
Monitor DNS infrastructure  
Monitor endpoints  
Monitor InterSystems IRIS productions  
Monitor journal space Running out of space might cause an instance to become unavailable.
Monitor license usage  
Monitor system clock time  
Monitor total processes Alert on sudden increase in total processes.
Monitor web servers  
Monitor web services  

Daily

Tasks in this category should be performed daily.

The following table describes the tasks that are in this category:

Daily
Task Notes
Check messages.log  
Check Production Event Log  
Ensure tasks are running correctly  
Monitor certificate expiration dates  
Monitor disk space  
Monitor email  
Monitor for filesystem errors  
Monitor InterSystems IRIS license status  
Monitor journal purging  
Monitor mirror health  
Monitor size of IRIS.DAT  
Monitor uptime  
Create system performance report  

Monthly

Tasks in this category should be performed monthly.

The following table describes the tasks that are in this category:

Monthly
Task Notes
Determine if auditing namespace needs more audit databases  
Run DataCheck for mirrored systems  

Biannually

Tasks in this category should be performed biannually.

The following table describes the tasks that are in this category:

Biannually
Task Notes
Evaluate global buffer size  
Evaluate routine buffer size  

Annually

Tasks in this category should be performed annually.

The following table describes the tasks that are in this category:

Annually
Task Notes
Evaluate lock table size  
Evaluate maximum memory per process size  
Evaluate size of shared memory heap  

Variable

You should determine how often to perform the tasks in this category based on your systems and the needs of your organization.

The following table describes the tasks that are in this category:

Variable
Task Notes
Run database backups  
Run integrity check  
Verify integrity of database backups  
Run the Tune Table utility on the ATNA audit database tables If you make a change to your system’s data ingestion, for example adding IHE documents or DICOM data, run tune table after one month of collecting the new data.
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