THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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All compactions are done in the background and do not prevent concurrent reads and writes of the data. After a compaction the system waits until all readers of the old files have finished and then removes the old files.
Compactions are MR jobs with name in the following form: <hostname>-compactor-<db>.<table>.<partition>
Base and Delta Directories
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