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piexel
7f34bb917f
Ported from Iris v4's mantle backpressure. Before each chunk the pregenerator now: - evicts idle tectonic plates and waits while more plates are loaded than the heap-scaled budget allows (pregen.maxResidentTectonicPlates) - pauses between 92% and 82% heap, requesting a GC because a paused pregen allocates too little for the collector to run on its own; if the heap stays full, the JVM's diagnostic GC runs at most once a minute, which also works with -XX:+DisableExplicitGC Both waits give up after pregen.mantleBackpressureTimeoutMs so a stuck heap cannot hang the pregen. Unlike v4, a reclaim starts anywhere above 82% instead of only at 92%, since a pregen waiting at 89% otherwise never triggers one. Outside pregen, the engine service shortens the mantle keep-alive as the heap fills and trims studio worlds once the heap is critical. The mantle itself: - concurrent requests for a plate that is still loading share one load instead of each holding an IO thread - plate retries stop once the mantle is closed or the thread is interrupted, instead of recursing forever - trim(0, 0) evicts plates idle for 500 ms instead of 4 s Model used: Claude Opus 5.5