Java
Java Thread-Pool Capacity: Keeping Backpressure Under Control
Use worker, queue, and rejection limits to control how bursts turn into latency and memory pressure, then validate overload behavior.
Java
Java
JVM Diagnostics: Separate CPU, Waiting, and Memory Before Tuning
Build an evidence chain from service symptoms to threads, JFR, garbage collection, and native memory in Java 17.
Java
Java Async Calls: Timeouts, Cancellation, and Retries Are Separate Decisions
Separate CompletableFuture completion from the underlying request lifecycle, then constrain retries with deadlines, idempotency, and explicit budgets.
Earlier notes · 2023
Java basics — archived entry
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