Oracle’s Enterprise Manager is an on-premises monitoring and management tool. The console is designed primarily to manage other Oracle products, it but can integrate to manage non-Oracle components as well.
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AlertSite
Score 8.2 out of 10
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AlertSite, from SmartBear Software, is a website monitoring and application performance management application offering real time alerting with root-cause analytics and robust reporting.
OEM is very well suited for all Oracle products, especially Oracle databases and Exadata machines; even not Oracle hardware, it is very good and displaying high level details. OEM is not well suited for older hardware vendors like AIX, HP-UX, DEC/Digital, Microsoft (sql server). This is a big negative as most large companies have a heterogeneous environment with many different vendor hardware and (database) software products.
AlertSite is used in our organization to monitor our website and web applications in real-time to collect the super important metrics reflecting web page load time but from the user end (E2E) and that approaches helps us to understand what our website is experiencing in real-time.
Database status. Being able to see which databases are up/down, at a glance, allows us to quickly react to issues.
Reporting. We report on last backups, daily status, a host of metrics, and compliance levels of all our databases. With reporting we come into the office with a set of "status" reports and we know instantly if a database has issues.
Metrics. We have a number of KPI's and SLA's we need to meet. Metrics applied to the databases allow us to stay on top of those requirements as well as fix common issues without a DBA needing to log in to assess the issue.
We also use OEM to monitor SQL Server. However, OEM only provided limited features for SQL Server. It would be nice if we can schedule backup jobs for SQL Server in OEM.
The ability to run SQL queries. You can't run queries in OEM. I have to go to SQL Developer or SQL PLUS to run. queries.
I still rate OEM as a must-have tool for central management of Oracle fleet. The pros and cons of the product is prominent. Meanwhile, I also acknowledge that OEM was design about a decade ago. At that time, it did not have the landscape we have today, such as cloud, DEVOPS, machine learning, etc. I hope in future releases, the design will incorporate those features.
Toad for Oracle is more suited for individual users who have a strong focus on database development, and it is not as comprehensive as Oracle Enterprise Manager. While it is quite decent in logical database layer tasks, such as schema objects and SQL, it lacks visibility into host level and I/O layer performance stats.
We moved all of our services to Site24x7 after several years with AlertSite. We looked at Uptrends and Pingdom to name a few whilst evaluating options. Pingdom lacks functionality and Uptrends we found to have quite a steep learning curve. AlertSites platform and in particular the Deja-Click recorder is a standout tool against the other platforms. Sadly the upscaling costs of multi-location transactions can quickly add up.
A negative thing is Monitoring locations would have issues and cause false-positive alerts and due to that monitoring team's repetitive work has increased.
A positive thing that I have noticed so far is the fact that the AlertSite customers support team is trying to build relationships and go the extra mile to make sure we can overcome any occurring issues and they are quick to respond and provide sufficient guidance for implementing efficiently, and fix products issues.
