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public interface WALObserver
Get notification of HLog
/WAL log events. The invocations are inline
so make sure your implementation is fast else you'll slow hbase.
Method Summary | |
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void |
logCloseRequested()
The WAL is about to close. |
void |
logRolled(org.apache.hadoop.fs.Path newFile)
The WAL was rolled. |
void |
logRollRequested()
A request was made that the WAL be rolled. |
void |
visitLogEntryBeforeWrite(HRegionInfo info,
HLogKey logKey,
WALEdit logEdit)
Called before each write. |
Method Detail |
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void logRolled(org.apache.hadoop.fs.Path newFile)
newFile
- the path to the new hlogvoid logRollRequested()
void logCloseRequested()
void visitLogEntryBeforeWrite(HRegionInfo info, HLogKey logKey, WALEdit logEdit)
info
- logKey
- logEdit
-
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