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Amazon OpenSearch Service vs Splunk Observability Cloud comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 6, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Amazon OpenSearch Service
Ranking in Application Performance Monitoring (APM) and Observability
35th
Average Rating
7.8
Reviews Sentiment
7.5
Number of Reviews
5
Ranking in other categories
Log Management (30th)
Splunk Observability Cloud
Ranking in Application Performance Monitoring (APM) and Observability
11th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
51
Ranking in other categories
IT Infrastructure Monitoring (9th), Cloud Monitoring Software (9th), Container Management (8th)
 

Mindshare comparison

As of May 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Amazon OpenSearch Service is 1.9%, up from 0.1% compared to the previous year. The mindshare of Splunk Observability Cloud is 1.1%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Performance Monitoring (APM) and Observability
 

Featured Reviews

VijayKumar27 - PeerSpot reviewer
Effective as a vector store, serverless architecture but there aren't enough security features
The pricing aspect is a concern. The service is way too costly. For the past month, I used only 30 to 40 MB of data, and the cost was $500. AWS could improve pricing. Even being serverless, it incurs charges during idle times. For just holding data, you need to create a list. AWS should add an option to make data idle, so it won't include computing charges. They charge for OCU units based on the time the serverless solution is up, not on indexing or retrieval speed. Once the service starts, it starts getting billed. It would help if there were an option to limit computing. When using it as a database, storing data without frequent fetching would save computing costs.
Lakshmi Padaga - PeerSpot reviewer
Collaborates performance metrics with log data to pinpoint the exact cause of issues and offers error detection
Splunk APM is a robust tool with many capabilities. There are always areas for potential improvement to enhance its functionality and user experience. For Splunk APM, there could be simplified navigation, like streamlining the user interface to make navigation more intuitive for our users, especially those new to APM, which can enhance usability. We can provide more customization options for dashboards and visualizations to help users tailor the platform to their specific needs. There could be more integration capabilities with a wider range of third-party tools and platforms would also be beneficial. By focusing on these areas, Splunk APM can enhance its value proposition, improve user satisfaction, and better meet the evolving needs of organizations monitoring their application performance.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage"
"I would definitely recommend Amazon OpenSearch Service to other professionals due to its fast and reliable search capabilities."
"Amazon OpenSearch Service has enhanced our organization's ability to store and search large amounts of data efficiently."
"This service already sorts data like vectors. They have classified the storage pre-defined."
"The customer service is excellent, rated nine out of ten."
"Amazon OpenSearch Service provides a managed database solution, so we don't need to manage everything ourselves."
"The business analytics capabilities are the most important feature it provides."
"The features I have found most valuable are log searching and log analytics, both of which are quick features."
"The most valuable feature in this solution is the log searching."
"The most valuable feature is dashboard creation."
"The product's deployment phase is good and very easy because it is done with OpenTelemetry for most of the parts."
"Detectors are a powerful feature."
"The tool's stability is great."
"The most valuable features are troubleshooting and optimizing application performance."
"The solution overall is very valuable for me."
 

Cons

"One improvement I would like to see is support for auto-scaling."
"One improvement I would like to see is support for auto-scaling."
"The price is fair yet leans towards the expensive side. I'd rate it five out of ten with respect to capabilities vs. cost."
"The pricing aspect is a concern. The service is way too costly. For the past month, I used only 30 to 40 MB of data, and the cost was $500. AWS could improve pricing."
"We faced documentation challenges during integration after migrating from Elasticsearch to Amazon OpenSearch Service. Better documentation on integration, query handling, and a more user-friendly UI could enhance the product."
"It would be beneficial to have some level of customization available in the managed service, tailored to the specific use cases of the end users."
"They can enhance data visualization."
"It would be useful if they provided some help pages. If you don't know too much about the tool, there should be more documentation readily available. It would be useful if they had a help button embedded in the solution so you could ask questions and get answers."
"Splunk isn't an ideal tool for application performance management due to the extensive setup required."
"The security could be better."
"Regarding dashboard customization, while Splunk has many dashboard building options, customers sometimes need to create specific dashboards, particularly for applicative metrics such as Java and process terms. These categories of dashboards would be very helpful for customers."
"The monitoring of workloads when using SignalFx could be improved."
"A lot of customers had a hard time effectively searching within the data in Splunk. There is a learning curve from searches to indexes and using all the macros that we have created. It is a little difficult for somebody who has not used it quite a bit and does not have a lot of practice with it, but the AI features that we have been hearing about through Splunk will make it a lot easier for us to use human language to search this data. That is big. That is pretty powerful, and that will help a lot with our customers."
"The dashboards are used mainly to visualize information about the infrastructure, but it isn't easy to construct or use the dashboards. While we tried to resolve the issue by calling support, it would be easier if they had an AI co-pilot to identify the problem and help you solve it."
"The clustering part of indexes can be more refined."
 

Pricing and Cost Advice

Information not available
"I would rate the price of Splunk Infrastructure Monitoring as an eight out of ten, with ten being the most expensive."
"The pricing is reasonable."
"The pricing is based on several factors, including the scale of deployment."
"Splunk Infrastructure Monitoring is an expensive solution."
"This is an expensive solution."
"It appears to be expensive compared to competitors."
"The product is a bit expensive considering the competition but the company may negotiate the price."
"The solution's pricing is competitive. I rate the solution's pricing a seven out of ten. The price of the solution could be cheaper."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
8%
Comms Service Provider
6%
Financial Services Firm
18%
Computer Software Company
15%
Retailer
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Amazon OpenSearch Service?
We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage
What is your experience regarding pricing and costs for Amazon OpenSearch Service?
Amazon OpenSearch Service is a bit costly compared to self-hosted Elasticsearch due to the managed service pricing.
What needs improvement with Amazon OpenSearch Service?
I did not delve deeply into Amazon OpenSearch Service, so I am unable to suggest specific improvements. However, we faced documentation challenges during integration after migrating from Elasticsea...
What do you like most about SignalFx?
The most valuable feature is dashboard creation.
What needs improvement with SignalFx?
There is room for improvement in the alerting system, which is complicated and has less documentation available. We sometimes encountered issues in setting up alerts. The custom detector could be m...
What is your primary use case for SignalFx?
The main purpose of using Splunk APM is to optimize our application. We use Splunk APM primarily to understand how the application works, how it uses resources, and its response time in connection ...
 

Also Known As

No data available
Splunk Infrastructure Monitoring
 

Overview

 

Sample Customers

Information Not Available
Sunrun, Yelp, Onshape, Tapjoy, Symphony Commerce, Chairish, Clever, Grovo, Bazaar Voice, Zenefits, Avalara
Find out what your peers are saying about Amazon OpenSearch Service vs. Splunk Observability Cloud and other solutions. Updated: April 2025.
849,686 professionals have used our research since 2012.