Function emit_system_free_memory

src/modules/keydb_modstatsd/modmain.cpp:536–547

}

void emit_system_free_memory() {
    std::ifstream meminfo("/proc/meminfo");
    std::string line;
    while (std::getline(meminfo, line)) {
        if (line.find("MemAvailable:") != std::string::npos) {
            unsigned long memAvailableInKB;
            std::sscanf(line.c_str(), "MemAvailable: %lu kB", &memAvailableInKB);
            g_stats->gauge("systemAvailableMemory_MB", memAvailableInKB / 1024);
            return;
        }
    }
}

void emit_metrics_for_insufficient_replicas(struct RedisModuleCtx *ctx, long long keys) {
    // non-empty