NewStatLine constructs a StatLine object from two ServerStatus objects.

only active if mongostat was run with --all option.

always activate the column.

only active when mongostat is in discover mode.

only active if we may have multiple hosts.

only active if node is capable of calculating lock info.

only active if node has mmap-specific fields.

only active if one of the nodes being monitored is in a replset.

only active if node has wiredtiger-specific fields.

StatHeaders are the complete set of data metrics supported by mongostat.

StatHeaders are the complete set of data metrics supported by mongostat.

StatHeader describes a single column for mongostat's terminal output, its formatting, and in which modes it should be displayed.

StatLine is a wrapper for all metrics reported by mongostat for monitored hosts.