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Apache Flink vs Azure Stream Analytics comparison

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Featured Review
Find out what your peers are saying about Apache Flink vs. Azure Stream Analytics and other solutions. Updated: January 2022.
564,322 professionals have used our research since 2012.
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"With Flink, it provides out-of-the-box checkpointing and state management. It helps us in that way. When Storm used to restart, sometimes we would lose messages. With Flink, it provides guaranteed message processing, which helped us. It also helped us with maintenance or restarts.""The top feature of Apache Flink is its low latency for fast, real-time data. Another great feature is the real-time indicators and alerts which make a big difference when it comes to data processing and analysis.""This is truly a real-time solution.""The documentation is very good.""It is user-friendly and the reporting is good.""Another feature is how Flink handles its radiuses. It has something called the checkpointing concept. You're dealing with billions and billions of requests, so your system is going to fail in large storage systems. Flink handles this by using the concept of checkpointing and savepointing, where they write the aggregated state into some separate storage. So in case of failure, you can basically recall from that state and come back.""Apache Flink is meant for low latency applications. You take one event opposite if you want to maintain a certain state. When another event comes and you want to associate those events together, in-memory state management was a key feature for us.""The event processing function is the most useful or the most used function. The filter function and the mapping function are also very useful because we have a lot of data to transform. For example, we store a lot of information about a person, and when we want to retrieve this person's details, we need all the details. In the map function, we can actually map all persons based on their age group. That's why the mapping function is very useful. We can really get a lot of events, and then we keep on doing what we need to do."

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"I like the IoT part. We have mostly used Azure Stream Analytics services for it""Real-time analytics is the most valuable feature of this solution. I can send the collected data to Power BI in real time.""Technical support is pretty helpful.""Provides deep integration with other Azure resources.""I like the way the UI looks, and the real-time analytics service is aligned to this. That can be helpful if I have to use this on a production service.""The most valuable features are the IoT hub and the Blob storage.""The solution has a lot of functionality that can be pushed out to companies."

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Cons
"The state maintains checkpoints and they use RocksDB or S3. They are good but sometimes the performance is affected when you use RocksDB for checkpointing.""In terms of improvement, there should be better reporting. You can integrate with reporting solutions but Flink doesn't offer it themselves.""One way to improve Flink would be to enhance integration between different ecosystems. For example, there could be more integration with other big data vendors and platforms similar in scope to how Apache Flink works with Cloudera. Apache Flink is a part of the same ecosystem as Cloudera, and for batch processing it's actually very useful but for real-time processing there could be more development with regards to the big data capabilities amongst the various ecosystems out there.""The TimeWindow feature is a bit tricky. The timing of the content and the windowing is a bit changed in 1.11. They have introduced watermarks. A watermark is basically associating every data with a timestamp. The timestamp could be anything, and we can provide the timestamp. So, whenever I receive a tweet, I can actually assign a timestamp, like what time did I get that tweet. The watermark helps us to uniquely identify the data. Watermarks are tricky if you use multiple events in the pipeline. For example, you have three resources from different locations, and you want to combine all those inputs and also perform some kind of logic. When you have more than one input screen and you want to collect all the information together, you have to apply TimeWindow all. That means that all the events from the upstream or from the up sources should be in that TimeWindow, and they were coming back. Internally, it is a batch of events that may be getting collected every five minutes or whatever timing is given. Sometimes, the use case for TimeWindow is a bit tricky. It depends on the application as well as on how people have given this TimeWindow. This kind of documentation is not updated. Even the test case documentation is a bit wrong. It doesn't work. Flink has updated the version of Apache Flink, but they have not updated the testing documentation. Therefore, I have to manually understand it. We have also been exploring failure handling. I was looking into changelogs for which they have posted the future plans and what are they going to deliver. We have two concerns regarding this, which have been noted down. I hope in the future that they will provide this functionality. Integration of Apache Flink with other metric services or failure handling data tools needs some kind of update or its in-depth knowledge is required in the documentation. We have a use case where we want to actually analyze or get analytics about how much data we process and how many failures we have. For that, we need to use Tomcat, which is an analytics tool for implementing counters. We can manage reports in the analyzer. This kind of integration is pretty much straightforward. They say that people must be well familiar with all the things before using this type of integration. They have given this complete file, which you can update, but it took some time. There is a learning curve with it, which consumed a lot of time. It is evolving to a newer version, but the documentation is not demonstrating that update. The documentation is not well incorporated. Hopefully, these things will get resolved now that they are implementing it. Failure is another area where it is a bit rigid or not that flexible. We never use this for scaling because complexity is very high in case of a failure. Processing and providing the scaled data back to Apache Flink is a bit challenging. They have this concept of offsetting, which could be simplified.""There is a learning curve. It takes time to learn.""In a future release, they could improve on making the error descriptions more clear.""In terms of stability with Flink, it is something that you have to deal with every time. Stability is the number one problem that we have seen with Flink, and it really depends on the kind of problem that you're trying to solve.""We have a machine learning team that works with Python, but Apache Flink does not have full support for the language."

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"Early in the process, we had some issues with stability.""There may be some issues when connecting with Microsoft Power BI because we are providing the input and output commands, and there's a chance of it being delayed while connecting.""It is not complex, but it requires some development skills. When the data is sent from Azure Stream Analytics to Power BI, I don't have the access to modify the data. I can't customize or edit the data or do some queries. All queries need to be done in the Azure Stream Analytics.""Sometimes when we connect Power BI, there is a delay or it throws up some errors, so we're not sure.""The collection and analysis of historical data could be better.""If something goes wrong, it's very hard to investigate what caused it and why.""The solution offers a free trial, however, it is too short."

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Pricing and Cost Advice
  • "This is an open-source platform that can be used free of charge."
  • "The solution is open-source, which is free."
  • "Apache Flink is open source so we pay no licensing for the use of the software."
  • "It's an open-source solution."
  • More Apache Flink Pricing and Cost Advice →

  • "The cost of this solution is less than competitors such as Amazon or Google Cloud."
  • More Azure Stream Analytics Pricing and Cost Advice →

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    Questions from the Community
    Top Answer: 
    The top feature of Apache Flink is its low latency for fast, real-time data. Another great feature is the real-time indicators and alerts which make a big difference when it comes to data processing… more »
    Top Answer: 
    Apache Flink is open source so we pay no licensing for the use of the software.
    Top Answer: 
    One way to improve Flink would be to enhance integration between different ecosystems. For example, there could be more integration with other big data vendors and platforms similar in scope to how… more »
    Top Answer: 
    Databricks is an easy-to-set-up and versatile tool for data management, analysis, and business analytics. For analytics teams that have to interpret data to further the business goals of their… more »
    Top Answer: 
    In terms of pricing, you can't compare it to open source solutions. It would be higher compared to open source, of course, however, with the support and everything you're getting, I would say the… more »
    Top Answer: 
    With Azure specifically, the drawback is it is a very Azure-specific product. You can't connect it to external things out of Azure. For example, Spark or Databricks can be used in any cloud and can be… more »
    Ranking
    4th
    out of 38 in Streaming Analytics
    Views
    7,130
    Comparisons
    5,506
    Reviews
    9
    Average Words per Review
    1,217
    Rating
    7.7
    5th
    out of 38 in Streaming Analytics
    Views
    8,022
    Comparisons
    6,978
    Reviews
    7
    Average Words per Review
    784
    Rating
    8.0
    Comparisons
    Also Known As
    Flink
    ASA
    Learn More
    Overview

    Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded data streams. Flink has been designed to run in all common cluster environments, perform computations at in-memory speed and at any scale.

    AzureStream Analytics is a fully managed event-processing engine that lets you set up real-time analytic computations on streaming data.The data can come from devices, sensors, web sites, social media feeds, applications, infrastructure systems, and more.
    Offer
    Learn more about Apache Flink
    Learn more about Azure Stream Analytics
    Sample Customers
    LogRhythm, Inc., Inter-American Development Bank, Scientific Technologies Corporation, LotLinx, Inc., Benevity, Inc.
    Rockwell Automation, Milliman, Honeywell Building Solutions, Arcoflex Automation Solutions, Real Madrid C.F., Aerocrine, Ziosk, Tacoma Public Schools, P97 Networks
    Top Industries
    VISITORS READING REVIEWS
    Computer Software Company26%
    Comms Service Provider20%
    Media Company11%
    Financial Services Firm10%
    VISITORS READING REVIEWS
    Computer Software Company29%
    Comms Service Provider20%
    Energy/Utilities Company6%
    Financial Services Firm6%
    Company Size
    REVIEWERS
    Small Business22%
    Midsize Enterprise11%
    Large Enterprise67%
    REVIEWERS
    Small Business29%
    Midsize Enterprise14%
    Large Enterprise57%
    Find out what your peers are saying about Apache Flink vs. Azure Stream Analytics and other solutions. Updated: January 2022.
    564,322 professionals have used our research since 2012.

    Apache Flink is ranked 4th in Streaming Analytics with 9 reviews while Azure Stream Analytics is ranked 5th in Streaming Analytics with 7 reviews. Apache Flink is rated 7.6, while Azure Stream Analytics is rated 8.0. The top reviewer of Apache Flink writes "Scalable framework for stateful streaming aggregations". On the other hand, the top reviewer of Azure Stream Analytics writes "A serverless scalable event processing engine with a valuable IoT feature". Apache Flink is most compared with Amazon Kinesis, Spring Cloud Data Flow, Databricks, Google Cloud Dataflow and Apache Pulsar, whereas Azure Stream Analytics is most compared with Databricks, Apache Spark, Apache Spark Streaming, Apache NiFi and Amazon Kinesis. See our Apache Flink vs. Azure Stream Analytics report.

    See our list of best Streaming Analytics vendors.

    We monitor all Streaming Analytics reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.