ds time to live for positive entries
%15lu  seconds time to live for negative entries
%15  cache hits on positive entries
%15  cache hits on negative entries
%15  cache misses on positive entries
%15  cache misses on negative entries
%15lu%% cache hit rate
%15zu  current number of cached values
%15zu  maximum number of cached values
%15zu  maximum chain length searched
%15  number of delays on rdlock
%15  number of delays on wrlock
%15  memory allocations failed
%15s  check /etc/%s for changes