Comments (1)
austrin
commented on June 23, 2024
"fixed" in c671fef and b10cd30.
TL;DR: for validators, memory limit is still not applied for build/run programs. Because Java.
In particular, using rlimits to restrict memory makes the JVM very unhappy and causes it to crash on startup, so programs that might involve the JVM can not have a memory rlimit applied to it. For submissions this is not a big issue from since memory is limited by -Xmx instead, but for validators given by build/run scripts, there is no way for problemtools to know if those build/run scripts involve starting a JVM, so we can't apply a memory limit on them. In a bright and shiny future problemtools may support using cgroups to limit memory, if that is enabled on the system (or who knows, maybe the JVM will be able to boot even with memory rlimited to 1 GB), but for now, I'd like to consider this resolved.
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