January 2015
Intermediate to advanced
126 pages
2h 32m
English
Content preview from Getting Started with OpenBTSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Troubleshooting and Performance Tuning
As your network becomes ever more production-ready, you will need some additional techniques to help debug problems as they arise. While some errors are directly related to misconfiguration, others are less obvious. Depending on the deployment conditions and network usage patterns, problems with the network may actually be related to poor performance. Optimizing the network’s performance for your particular scenario can be key. Because of this, troubleshooting and tuning are presented together.
The stats Command
A quick and easy way to observe when events occur in OpenBTS is by using the stats command.
There are several dozen event types that are tracked.
To get a full list of them, run the stats command with no arguments:
OpenBTS> stats
Each event type is simply a key name in a small SQLite3 database and the value for each key corresponds to the number of times this event has happened since the last time the stats database was cleared. Clearing the database is handy to give yourself a known starting count for the events you are interested in. To clear the database, execute the following:
OpenBTS> stats clear stats table (gReporting) cleared
Now, if you send an SMS from one handset to the other on your network and search for SMS-related events, you will see something like the following:
OpenBTS> stats SMS OpenBTS.GSM.MM.CMServiceRequest.MOSMS: 1 events over 4 minutes OpenBTS.GSM.SMS.MOSMS.Start: 1 events over 4 minutes OpenBTS.GSM.SMS.MOSMS.Complete: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.