node-gc-options.sh

$ node -v
v8.4.0
$ node --v8-options | grep gc
  --gc_global (always perform global GCs)
  --gc_interval (garbage collect after <n> allocations)
  --retain_maps_for_n_gc (keeps maps alive for <n> old space garbage collections)
  --trace_gc (print one trace line following each garbage collection)
  --trace_gc_nvp (print one detailed trace line in name=value format after each garbage collection)
  --trace_gc_ignore_scavenger (do not print trace line after scavenger collection)
  --trace_gc_verbose (print more details following each garbage collection)
  --trace_mutator_utilization (print mutator utilization, allocation speed, gc speed)
  --track_gc_object_stats (track object counts and memory usage)
  --trace_gc_object_stats (trace object counts and memory usage)
  --gc_stats (Used by tracing internally to enable gc statistics)
  --cleanup_code_caches_at_gc (Flush code caches in maps during mark compact cycle.)
  --expose_gc (expose gc extension)
  --expose_gc_as (expose gc extension under the specified name)
  --log_gc (Log heap samples on garbage collection for the hp2ps tool.)
  --gc_fake_mmap (Specify the name of the file for fake gc mmap used in ll_prof)
        type: string  default: /tmp/__v8_gc__