~/talks

Monica Beckwith

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titleconferencedate
JVM Performance Engineering - Inside OpenJDK and the HotSpot Java Virtual MachineCloud Builders: Java Conf 20232023-03-30
Step-by-step performance process: monitor with Java Flight Recorder and OS counters, then profile slices with VisualVM, Performance Analyzer or VTune, analyze…
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The `-ilities` of Software Engineering - How Qualities...GeeCON Prague 20222022-05-11
Defines the actual nonfunctional goals for JVM systems and shows how to measure them: throughput and latency as SLAs, capacity planning across 2–96 cores, and…
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Have you really taken the time to know me: A G1 GC sagaJoker 20202020-11-25
G1 evolution from JDK9 through 13+ focuses on concrete changes: region sizes 1–32 MB, humongous objects >=50% region, compact strings (JDK9) and string…
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OpenJDK: In the new age of Concurrent Garbage CollectorsJetBrains Technology Day for Java 20202020-07-10
Compares G1, ZGC and Shenandoah by algorithm and measurable tradeoffs: G1 is regionalized and generational with stop‑the‑world compaction and a 200 ms pause…
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JetBrains Technology Day for Java 2020JetBrains Technology Day for Java 20202020-07-10
Nine short sessions show concrete tools, code and outcomes: Bootiful Testing demos Spring Boot test slices and Mockito based examples; Good Old Stream API…
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How To Make Your Application Start FasterDevnexus 20202020-02-19
Concrete tactics and measured effects: use jaotc/AOT to precompile hot classes (can skip interpreter but may miss peak C2 throughput unless compiled for tiered…
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Java Performance AnalysisDevnexus 20202020-02-19
Live demos diagnose real incidents: start from an SLA violation, use vmstat to split user vs kernel time, spot high iowait and context switches indicating…
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The Performance Engineer's Guide To Java HotSpotStrange Loop 20172017-09-28
Detailed checklist of outcomes and knobs: which HotSpot GCs actually compact incrementally (G1 does region‑based mixed collections), which reduce pauses by…
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Garbage First Garbage CollectorDevoxx US 20172017-03-21
G1 becomes the default in Java 9 and combines concurrent marking with incremental compaction via mixed collections; regions are 1–32 MB and an object >= 50% of…
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GC Tuning Confessions Of A Performance EngineerStrange Loop 20152015-09-24
Claims concrete fixes: use GC logs plus VisualVM and simple parsing scripts to plot occupancy and scaling, and expect to find worst‑case pauses (one case shows…
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GC Tuning Confessions of a Performance EngineerPhilly ETE 20152015-04-07
Shows hands‑on comparisons of Parallel Old, CMS and G1 with concrete failure modes and fixes: one workload logs 40,000 GC events with a single 20.699s max…
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