Method setMaxMemorySize

src/backend/common/DefaultMemoryManager.cpp:117–130

}

void DefaultMemoryManager::setMaxMemorySize() {
    for (unsigned n = 0; n < memory.size(); n++) {
        // Calls garbage collection when: total_bytes > memsize * 0.75 when
        // memsize < 4GB total_bytes > memsize - 1 GB when memsize >= 4GB If
        // memsize returned 0, then use 1GB
        size_t memsize = this->getMaxMemorySize(static_cast<int>(n));
        memory[n].max_bytes =
            memsize == 0
                ? ONE_GB
                : max(memsize * 0.75, static_cast<double>(memsize - ONE_GB));
        AF_TRACE("memory[{}].max_bytes: {}", n,
                 bytesToString(memory[n].max_bytes));
    }
}

float DefaultMemoryManager::getMemoryPressure() {
    lock_guard_t lock(this->memory_mutex);