~/talks

Aleksey Ragozin

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titleconferencedate
Spring REST Gigantomania: Handling Multi-Gigabyte POST RequestsJPoint 20242024-04-17
Covers implementing streaming processing of multi-gigabyte HTTP POST requests in Spring to handle cases where requests exceed available memory. Explains four…
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NanoCloud is back in town: testing Spring applications and beyond for Java developersJPoint 20242024-04-17
NanoCloud is an open-source library for running Java applications either distributed across a real cluster or isolated within a single JVM. The talk explains…
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Java in a container: operational specificsJoker 20232023-10-09
Covers running Java inside Linux containers, focusing on how JVM interacts with OS resource controls, cgroup limits and networking. Explains failure modes to…
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The perf Profiler and the JVM (Part 1)JPoint 20232023-04-12
Shows how to use Linux perf to profile a JVM process: how to run perf, collect profiles from a Java process, and inspect the resulting data. Compares perf…
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Profiler perf and the JVM (Part 2)JPoint 20232023-04-12
A hands-on workshop on using perf (the Linux kernel profiler) with JVM processes: how to run perf, collect profiling data from a Java process, and interpret…
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Workshop: Crash Course on Open Source Profilers (part 1)JPoint 20222022-06-13
Hands-on workshop demonstrating open-source Java profilers Mission Control and VisualVM to diagnose performance problems such as high load, slowness, and…
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Workshop: Crash Course on Open Source Profilers (part 2)JPoint 20222022-06-13
Hands-on workshop that demonstrates open-source Java profilers Mission Control and VisualVM to diagnose problems like increased load, slow performance, and…
Talk in Russian on
Achieving Sub‑Millisecond Response Times in a Java Trading System on LinuxHighLoad++ Moscow 20182018-11-08
Describes how to build a Java-based trading system on Linux that achieves sub-millisecond response times. Covers specific techniques and optimizations for…
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Applied mathematics for high loadsHighLoad++ Siberia 20182018-06-25
Survey of mathematical tools and theories that can be applied to building high-load information systems, arguing which techniques from mathematics and related…
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Java and Linux — Operational PeculiaritiesHighLoad++ 20172017-11-07
Covers practical operational nuances of running Java on Linux and inside Docker, explaining how JVM behavior interacts with Linux resource management and how…
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Secret Technologies of Investment BanksHighLoad++ 20152015-11-02
Overview of core software used in investment banking: the talk examines how general-purpose technologies—programming languages (Java, Python), databases…
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Alexey Ragozin at RIT++ 2012РИТ++ 20122012-04-02
Presents strategies for combining memory technologies with full-text indexing to support large-scale, low-latency search, arguing that keeping everything in…
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