Parses update files written by the slaves to the file system and updates the internal data base.
syncRegistry(reg = getDefaultRegistry())[Registry]
Registry. If not explicitly passed, uses the default registry (see setDefaultRegistry).
[logical(1)]: TRUE if the state has changed, FALSE otherwise.
Other Registry:
clearRegistry(),
getDefaultRegistry(),
loadRegistry(),
makeRegistry(),
removeRegistry(),
saveRegistry(),
sweepRegistry()