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Zabbix Performance Tuning

You're reading from   Zabbix Performance Tuning Tune and optimize Zabbix to maximize performance

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781783987641
Length 152 pages
Edition 1st Edition
Tools
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Author (1):
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Luciano Alves Luciano Alves
Author Profile Icon Luciano Alves
Luciano Alves
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Table of Contents (20) Chapters Close

Zabbix Performance Tuning
Credits
Foreword
About the Author
Acknowledgements
About the Reviewers
www.PacktPub.com
Preface
1. Evolution of Zabbix FREE CHAPTER 2. Zabbix and I – Almost Heroes 3. Tuning the Zabbix Server 4. Tuning the MySQL Database 5. Tuning the Frontend 6. Adjusting the Storage 7. Tuning the Operating System 8. Doing the Extra Work 9. Using the Zabbix Proxy 10. Monitoring the Health of Zabbix 11. The Next Challenge Index

Caches and buffers


In the early versions of Zabbix up to version 1.6, all Zabbix server interaction with data occurred directly via SQL statements in the database. For collecting an item, the flow was as follows:

  • The Zabbix server queried the database in search of the next item to be gathered (which would, actually, be the latest item for collection)

  • This query basically took into account two fields in the items table (delay and last_clock)

  • If the duration of the gap between the current time and last_clock (time of the last valid sample collection) was greater than delay (number of seconds between gathers), then the Zabbix server started a new collection for that item

  • A poller would be called and the collection would be made

  • When this poller received data from the Zabbix agent, it would execute INSERT on the database and store the collected values

The entire collection stream involved querying and writing (insert and update) to the database. In an environment of a large organization, where we...

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