Package org.apache.hadoop.hbase.regionserver.wal

Interface Summary
HLog.Reader  
HLog.Writer  
LogActionsListener Interface that defines all actions that can be listened to coming from the HLog.
LogEntryVisitor  
LogRollListener Mechanism by which the HLog requests a log roll
 

Class Summary
HLog HLog stores all the edits to the HStore.
HLog.Entry Utility class that lets us keep track of the edit with it's key Only used when splitting logs
HLogKey A Key for an entry in the change log.
SequenceFileLogReader  
SequenceFileLogWriter Implementation of HLog.Writer that delegates to SequenceFile.Writer.
WALEdit WALEdit: Used in HBase's transaction log (WAL) to represent the collection of edits (KeyValue objects) corresponding to a single transaction.
 

Exception Summary
FailedLogCloseException Thrown when we fail close of the write-ahead-log file.
 



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