can you incrementally build an index?

[Jesse Hires]

Does "bin/nutch merge" only create a whole new index out of several smaller
indexes, or can it be used to incrementally update a single large index with
newly fetched and indexed smaller segments?



Jesse

int GetRandomNumber()
{
   return 4; // Chosen by fair roll of dice
                // Guaranteed to be random
} // xkcd.com