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Posted to issues@bookkeeper.apache.org by GitBox <gi...@apache.org> on 2019/02/12 03:06:27 UTC

[GitHub] ArvinDevel opened a new issue #1945: BP-38: Bypass journal ledger

ArvinDevel opened a new issue #1945: BP-38: Bypass journal ledger
URL: https://github.com/apache/bookkeeper/issues/1945
 
 
   **BP**
   
   > Follow the instructions at http://bookkeeper.apache.org/community/bookkeeper_proposals/ to create a proposal.
   
   This is the master ticket for tracking BP-38 :
   
   To guarantee high durability, BK write journal before flush data to persistent device which will cause two write of data.
   At the presence of replicating and auto-recovery mechanism, the two-write is a bit waste of the persistent device bandwidth,
   especially on the [scenarios](https://cwiki.apache.org/confluence/display/BOOKKEEPER/BP-14+Relax+durability) which prefer weak durability guarantee.
   
   <!-- add a proposal PR link below -->
   Proposal PR - #1944

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