Elasticsearch is a really scalable solution that can fit a lot of needs, but the bigger and/or those needs become, the more understanding & infrastructure you will need for your instance to be running correctly. Elasticsearch is not problem-free - you can get yourself in a lot of trouble if you are not following good practices and/or if are not managing the cluster correctly. Licensing is a big decision point here as Elasticsearch is a middleware component - be sure to read the licensing agreement of the version you want to try before you commit to it. Same goes for long-term support - be sure to keep yourself in the know for this aspect you may end up stuck with an unpatched version for years.
Manage Engine OpManager is better suited to serve server and network admins at organization to monitor their servers and network devices. It helps us with compliance with the reports available like utilization reports and capacity planning reports. It helps you to keep track of what all process are consuming the resources. It helps you in monitoring what is happening in your switches, routers and firewall
As I mentioned before, Elasticsearch's flexible data model is unparalleled. You can nest fields as deeply as you want, have as many fields as you want, but whatever you want in those fields (as long as it stays the same type), and all of it will be searchable and you don't need to even declare a schema beforehand!
Elastic, the company behind Elasticsearch, is super strong financially and they have a great team of devs and product managers working on Elasticsearch. When I first started using ES 3 years ago, I was 90% impressed and knew it would be a good fit. 3 years later, I am 200% impressed and blown away by how far it has come and gotten even better. If there are features that are missing or you don't think it's fast enough right now, I bet it'll be suitable next year because the team behind it is so dang fast!
Elasticsearch is really, really stable. It takes a lot to bring down a cluster. It's self-balancing algorithms, leader-election system, self-healing properties are state of the art. We've never seen network failures or hard-drive corruption or CPU bugs bring down an ES cluster.
It measures the CPU utilization of hosts, the network bandwidth utilization of links, and other aspects of the operation
It often sends messages—sometimes called watchdog messages—over the network to each host to verify if it is responsive to requests.
Set Up Notifications And Reports.
OpManager offers a set of advantages that allow it to adapt to the needs of the company, guaranteeing effective monitoring of the application networks used in our organization.
Alerts has to be configured correctly otherwise unnecessary bombarding of alerts can cause inconvenience.
The server on which ManageEngine OpManager is to be deployed should have higher resources as monitoring a large number of devices may slow down the performance of the system.
Configuring the advanced features may require a learning curve.
To get started with Elasticsearch, you don't have to get very involved in configuring what really is an incredibly complex system under the hood. You simply install the package, run the service, and you're immediately able to begin using it. You don't need to learn any sort of query language to add data to Elasticsearch or perform some basic searching. If you're used to any sort of RESTful API, getting started with Elasticsearch is a breeze. If you've never interacted with a RESTful API directly, the journey may be a little more bumpy. Overall, though, it's incredibly simple to use for what it's doing under the covers.
The rating I provided is based on the product quality, experience (I have been using OpManager for almost the last 4 years), and relevance of the information/response I generated through Manage Engine OpManager. I have also received good support from OpManager.
We've only used it as an opensource tooling. We did not purchase any additional support to roll out the elasticsearch software. When rolling out the application on our platform we've used the documentation which was available online. During our test phases we did not experience any bugs or issues so we did not rely on support at all.
At first, we were not able to add our Avaya switches to the configuration backup module, our partner tried to help, but they did not find the solution, we had one remote session with tech support of ME and they solve the problem.
As far as we are concerned, Elasticsearch is the gold standard and we have barely evaluated any alternatives. You could consider it an alternative to a relational or NoSQL database, so in cases where those suffice, you don't need Elasticsearch. But if you want powerful text-based search capabilities across large data sets, Elasticsearch is the way to go.
During our competitive analysis, we found ManageEngine OpManager was not expensive compared to other vendors. At the same time, there was no compromise on the features such as customized reporting or configuring alerts per our clientele's unique requirements. These are our client words "Other vendors ask us to pay more $$$ for enabling additional email alerts".
We have had great luck with implementing Elasticsearch for our search and analytics use cases.
While the operational burden is not minimal, operating a cluster of servers, using a custom query language, writing Elasticsearch-specific bulk insert code, the performance and the relative operational ease of Elasticsearch are unparalleled.
We've easily saved hundreds of thousands of dollars implementing Elasticsearch vs. RDBMS vs. other no-SQL solutions for our specific set of problems.
I don't know if you can calculate ROI with a monitoring solution, there are more factors to calculate.
We found a really big problem with a network switch (faulty transceiver) in a trunk configuration with OPManager. this caused us serial troubles with the overall network stability.
We are loosing around € 3.000 to 5.000 per hour if our network is not working so this was a great help to fix this issue
Our label printers are really important to monitoring in our warehouse system, this makes OPManager a great solution for that
