Oracle Enterprise Manager Cloud Control vs Zabbix

• Oracle Enterprise Manager is a "one stop shop" for all of our management needs. This is helpful because it minimizes the management of the management software itself. There are less upgrades and connectivity issues to handle. And there are "plug-ins" for additional products we use like Blue Medora's one for PostgreSQL.
• Managing administrative jobs can be burdensome in a shop with dozens of servers and databases. OEM Cloud Control makes it easy since you can view all the jobs for all servers in one place. It is easy to filter on jobs with problems or the like so that you can quickly look at the logs and fix the issues.
• Tuning PL/SQL is much easier using OEM Cloud Control. Most DBAs are familiar with trace files and TKPROF, but not having to do those things at a command line smooths the process out. The graphical interface makes it easier to show developers exactly what the issues are. This makes for less finger-pointing and quicker resolution of performance problems.
• Proactive management is easier using OEM Cloud Control. Before having the gui, I had a collection of scripts that I would have to install on each database server, then set up cron jobs to run them. When Oracle was upgraded, those scripts might have to be updated on each and every server. OEM Cloud Control has those things built in. You can choose exactly which metrics are important to you. And you can keep performance graphs up all day on a second monitor to let you instantly see when something might cause a problem.

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• Collecting hardware data - CPU, Memory, Network, and Disk Metrics are collected and reported on.
• Flexible design - It is very easy to build out even very large environments via the templating system. You can also start where you are - network monitoring, server monitoring, etc. and then build it out from there as time and resources permit.
• Provides a "plugin architecture" (via XML templates) to allow end users to extend it to monitor all kinds of equipment, software, or other metrics that are not already added into the software already.
• Very complete documentation. Almost every aspect of Zabbix has been documented and reported on.
• Cost - Zabbix is FOSS software and always free. Support is reasonably priced and readily available.

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• Oracle Enterprise Manager Cloud Control can do a better job in actively managing (as opposed to monitoring) non-Oracle IT components including non-Oracle database, middleware, and storage.
• The UI is less responsive and sometimes slow and the user experience could certainly be improved.
• There is also an issue with positioning as other Oracle products sometimes come with their own versions of management console so it is hard to justify paying for Oracle Enterprise Manager Cloud Control separately or as a new attachment.

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• In a busy Zabbix environment, it can easily overwhelm the underlying database. Plan on having SSDs and a significant server infrastructure to keep up with more than a hundred hosts.
• Building out Zabbix metrics that suit your environment can be very time consuming. When choosing a monitoring platform like Zabbix, expect a steep learning curve and to invest significant resources to make the tool valuable.
• This is less important than it has been in the past, but current versions of Zabbix still do not handle IPMI checks of hardware very well. We needed to write our own wrapper for IPMI checks rather than using the built in IPMI poller.

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• Freed up DBAs and SAs by automating much of their antiquated manual processes.
• We are limited by our own desire to use and learn all of the features within OEM.

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• Zabbix simply makes it easier to identify, and subsequently resolve problems quickly
• Zabbix gives one web page to look at to see a list of all on-going issue in a single place
• Zabbix can automate response to alerts. For example, Zabbix allows you the customization to take a monitored server out of production rotation if it is identified as unhealthy

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