0fe5722744318069da8c0a3b7e2cd7bac3954ef3,python/ray/memory_monitor.py,MemoryMonitor,raise_if_low_memory,#MemoryMonitor#,105

Before Change

            self.last_checked = time.time()
            total_gb = psutil.virtual_memory().total / (1024**3)
            used_gb = total_gb - psutil.virtual_memory().available / (1024**3)
            if self.cgroup_memory_limit_gb < total_gb:
                total_gb = self.cgroup_memory_limit_gb
                with open("/sys/fs/cgroup/memory/memory.usage_in_bytes",

After Change

                return  // escape hatch, not intended for user use

            self.last_checked = time.time()
            psutil_mem = psutil.virtual_memory()
            total_gb = psutil_mem.total / (1024**3)
            used_gb = total_gb - psutil_mem.available / (1024**3)

            // Linux, BSD has cached memory, which should
            // also be considered as unused memory
            if hasattr(psutil_mem, "cached"):
                used_gb -= psutil_mem.cached / (1024**3)

            if self.cgroup_memory_limit_gb < total_gb:
                total_gb = self.cgroup_memory_limit_gb

Instances