module
Cryload::FdLimit
Overview
Guards against the most confusing failure mode of a load generator: running out of file descriptors mid-run and reporting a pile of transport errors that look like the target failing.
Extended Modules
Defined in:
cryload/fd_limit.crConstant Summary
-
HEADROOM =
64 -
Sockets plus stdio, DNS, and the report file the caller may be redirecting into. 64 is generous rather than exact on purpose.
Instance Method Summary
-
#ensure(connections : Int32) : String | Nil
Raises the soft limit toward the hard limit when needed.
Instance Method Detail
def ensure(connections : Int32) : String | Nil
#
Raises the soft limit toward the hard limit when needed. Returns nil when
the process can open connections sockets, otherwise an actionable
message for the caller to print before exiting with a config error.