Transac ons are non commiied ones transac ons i want

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Unformatted text preview: checkpoint had commiIed, so if something you can go back to the last checkpoint How it works: at a checkpoint, stop taking new transac-ons, complete all long running transac-ons and then commit BUT checkpoint very is s-ll expensive because it has to put everything on hold Nonquiescent Checkpoin-ng •  •  •  •  •  •  •  Has two points for each checkpoint: begin checkpoint and end checkpoint ”nonquiesent” means “business as usual” W...
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This note was uploaded on 01/28/2014 for the course CS 411 taught by Professor Staff during the Fall '08 term at University of Illinois, Urbana Champaign.

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