return true, nil for IPv6 address and false for IPv4.

Return the correct address for localhost depending on if IPv4 or IPv6.

This needs to support both IPv4 and IPv6 The prev version of impl for this function assumed that node is always ip:port.

FIXME should the IPv6 / host name and port code be in util?.

returns a _flat_ (for memory efficiency) array of file number & record count pairs this is used to produce the system namespace "index" for the streamed history.

Changed from ABORTED to ABEND, flags that there was an internal error like panic */.

default load factor above 30% so that at start no nodes will be added.

API for tracking active requests.

API for tracking server options.