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| 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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