[GitHub] sijie opened a new issue #279: Provide LSN in Journal for better checkpointing

[gi...@git.apache.org]

sijie opened a new issue #279: Provide LSN in Journal for better checkpointing
URL: https://github.com/apache/bookkeeper/issues/279
 
 
   
   **FEATURE REQUEST**
   
   1. Please describe the feature you are requesting.
   
   Address the TODO item in **InterleavedLedgerStorage** 
   
       @Override
       public void onRotateEntryLog() {
           // for interleaved ledger storage, we request a checkpoint when rotating a entry log file.
           // the checkpoint represent the point that all the entries added before this point are already
           // in ledger storage and ready to be synced to disk.
           // TODO: we could consider remove checkpointSource and checkpointSouce#newCheckpoint
           // later if we provide kind of LSN (Log/Journal Squeuence Number)
           // mechanism when adding entry.
           checkpointHolder.setNextCheckpoint(checkpointSource.newCheckpoint());
       }
   
   2. Indicate the importance of this issue to you (blocker, must-have, should-have, nice-to-have). Are you currently using any workarounds to address this issue?
   
   *nice-to-have*
   
   3. Provide any additional detail on your proposed use case for this feature.
   
   N/A
   
 
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