<transcript><audio_217>things besides pin Pages you can't uh steal Pages for transactions that are running and that's obviously going to give you lot less flexibility it'll be a poorer performing system the second dimension to Steel no steel is the force policy which is at the commit time what</transcript><transcript><audio_218>do I do at the commit time if I say all the changes that were made by the transaction that is committing must be forced into disk before committing then I'll get durability but it'll be very expensive because imagine I'm a transactions</transcript><transcript><audio_219>that's touching one bite in 100 by records for a billion records I'm just changing one billion bytes but I've touched everything and I have to bring everything into memory update all of that stuff and then write all of that</transcript> things besides pin Pages you can't uh steal Pages for transactions that are running and that's obviously going to give you lot less flexibility it'll be a poorer performing system the second dimension to Steel no steel is the force policy which is at the commit time what do I do at the commit time if I say all the changes that were made by the transaction that is committing must be forced into disk before committing then I'll get durability but it'll be very expensive because imagine I'm a transactions that's touching one bite in 100 by records for a billion records I'm just changing one billion bytes but I've touched everything and I have to bring everything into memory update all of that stuff and then write all of that
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