This test verifies that when a lot of files are bulk imported into a table with one tablet and then splits that not all map files go to the children tablets.
Utility to ensure that the migrations from balance() are consistent:
Tablet objects are not null
Source and destination tablet servers are not null and current
This little program can be used to write a lot of entries to the !METADATA table and measure the performance of varying numbers of threads doing !METADATA
lookups using the batch scanner.
this class just provides an interface to read from a MapFile mostly takes care of reporting start and end keys
need this because a single row extent can have multiple columns this manages all the columns (each handled by a store) for a single row-extent