Show HN: Unlogged (YC S22) – open-source record and replay for Java

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  • unlogged-sdk

    Unlogged SDK for recording code execution

  • Hello HN! Parth, and Shardul here. We have been building unlogged.io for the last 21 months. We started as a time travel debugger and pivoted to record and replay with assertions, mocking, and code coverage. You can save the replays in the form of a JSON and commit them to your git.

    Both Parth and I come from an e-commerce/payments background where production bugs meant heavy financial losses. Big billion days/Black Friday sales meant months of code freezes with low productivity. Before committing the code, we wanted to replay production traffic and know the breaking changes right away, like in sub-second. Kind of like unit+integration tests on steroids.

    So, we built an SDK that adds probes to the code in compile time. The SDK logs code execution, in detail.

    Git: https://github.com/unloggedio/unlogged-sdk

    We also built an IDE plugin that keeps monitoring code changes, hot reloads these changes, replays the relevant methods, and alerts on failing replays. It also lets developers call Java methods directly, mock downstream methods in run time, highlight code coverage in real-time, and show performance numbers for methods with inlay hints. (right above each method)

    Git: https://github.com/unloggedio/intellij-java-plugin

    We are excited to launch the first version of our product that replays with assertions + mocking + code coverage reports right inside the IDE.

    Link to our IntelliJ plugin: https://plugins.jetbrains.com/plugin/18529-unlogged/

    Record and Replay Demo: https://www.youtube.com/watch?v=muCyE-doEB0

    Define Assertions on Replay: https://www.youtube.com/watch?v=YKsi1p634-M

    Track Code Coverage: https://www.youtube.com/watch?v=NMmp954kfaU

    Generate JUnit Test Cases: https://www.youtube.com/watch?v=rTUmg5b1Z_Q

    Mocking when replaying: https://www.youtube.com/watch?v=O_aqU1u-Kmw

    Documentation: http://read.unlogged.io/

    Roadmap:

    1. Create a production logger

  • intellij-java-plugin

    IntelliJ plugin with java language support

  • Hello HN! Parth, and Shardul here. We have been building unlogged.io for the last 21 months. We started as a time travel debugger and pivoted to record and replay with assertions, mocking, and code coverage. You can save the replays in the form of a JSON and commit them to your git.

    Both Parth and I come from an e-commerce/payments background where production bugs meant heavy financial losses. Big billion days/Black Friday sales meant months of code freezes with low productivity. Before committing the code, we wanted to replay production traffic and know the breaking changes right away, like in sub-second. Kind of like unit+integration tests on steroids.

    So, we built an SDK that adds probes to the code in compile time. The SDK logs code execution, in detail.

    Git: https://github.com/unloggedio/unlogged-sdk

    We also built an IDE plugin that keeps monitoring code changes, hot reloads these changes, replays the relevant methods, and alerts on failing replays. It also lets developers call Java methods directly, mock downstream methods in run time, highlight code coverage in real-time, and show performance numbers for methods with inlay hints. (right above each method)

    Git: https://github.com/unloggedio/intellij-java-plugin

    We are excited to launch the first version of our product that replays with assertions + mocking + code coverage reports right inside the IDE.

    Link to our IntelliJ plugin: https://plugins.jetbrains.com/plugin/18529-unlogged/

    Record and Replay Demo: https://www.youtube.com/watch?v=muCyE-doEB0

    Define Assertions on Replay: https://www.youtube.com/watch?v=YKsi1p634-M

    Track Code Coverage: https://www.youtube.com/watch?v=NMmp954kfaU

    Generate JUnit Test Cases: https://www.youtube.com/watch?v=rTUmg5b1Z_Q

    Mocking when replaying: https://www.youtube.com/watch?v=O_aqU1u-Kmw

    Documentation: http://read.unlogged.io/

    Roadmap:

    1. Create a production logger

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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