...
tls_variables_recorded_bytes 0
# HELP tls_variables_recorded_count
# TYPE tls_variables_recorded_count counter
tls_variables_recorded_count 0

MEM: Alloc: 83 MB, TotalAlloc: 2.9 GB, Sys: 310 MB, Mallocs: 6067434, Frees: 5416012, HeapIdle: 202 MB, HeapInuse: 90 MB
GC: Num GC: 55, Next GC: 128 MB, Last GC: 9.973811149s, CPU fraction: 0.0008737040952824516