accounts_index_memory_limit_mb

raw details (from release v2.2.3):

{
  "name": "accounts_index_memory_limit_mb",
  "long": "accounts-index-memory-limit-mb",
  "value_name": "MEGABYTES",
  "validator": "is_parsable::<usize>",
  "takes_value": "true",
  "help": "\"How much memory the accounts index can consume. If this is exceeded, some \\ account index entries will be stored on disk.\",",
  "usage_warning": "index memory limit has been deprecated. The limit arg has no effect now."
}