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timothy norman huber | 27 Jul 23:10
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forward logging and NVRAM

Daniel,

Several weeks ago, during a discussion over coffee, you mentioned a rather intriguing optimization- by writing the start of the forward log chain to NVRAM rather than disk, you avoid a disk seek and write transfer for each forward log chain.  i believe there was another motivation that had to do with avoiding traversing the entire volume in case of a crash.  Was this design feature to overcome lame fsck performance?  

T


Timothy Huber
Strategic Account Development

cell 310 795.6599

181 Metro Drive, Suite 400 
San Jose, CA 95110 

 

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