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A set of static functions for running our custom WAL compression/decompression.
HLog stores all the edits to the HStore.
Utility class that lets us keep track of the edit with it's key Only used when splitting logs
Acts as an abstraction between the HLog and the underlying filesystem.
A Key for an entry in the change log.
HLogPrettyPrinter prints the contents of a given HLog with a variety of options affecting formatting and extent of content.
This class is responsible for splitting up a bunch of regionserver commit log files that are no longer being written to, into new files, one per region for region to replay on startup.
WALDictionary using an LRU eviction algorithm.
Implements the coprocessor environment and runtime support for coprocessors loaded within a
WALEdit: Used in HBase's transaction log (WAL) to represent the collection of edits (KeyValue objects) corresponding to a single transaction.
Thrown when we fail close of the write-ahead-log file.
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