<transcript><audio_227>complications all right so easiest scheme to implement uh it has a couple other problems with it one is if the number of objects that I'm writing to imagine you have a buffer pool with a million pages and you want</transcript><transcript><audio_228>to update in a transaction a table that then you want to update a field for all the records in a table and that table has a million plus one Pages you can't do this because</transcript><transcript><audio_229>according to no steel Force policy every page has to be brought into memory and can't be pushed out till because of the no Steel part can be pushed out to desk till the transaction is done so this just to say that the no</transcript><transcript><audio_230>Steel part can be really problematic the force part is not trivial part too because you have to go figure out which part of that pay changed so we need to ultimately live in a world where we have to try to make the opposite of this</transcript><transcript><audio_231>happens which is to have the most high performance scheme which is to do steel no Force now as we start to make changes we'll have to keep track of what we have changed and uh work with that so one of</transcript> complications all right so easiest scheme to implement uh it has a couple other problems with it one is if the number of objects that I'm writing to imagine you have a buffer pool with a million pages and you want to update in a transaction a table that then you want to update a field for all the records in a table and that table has a million plus one Pages you can't do this because according to no steel Force policy every page has to be brought into memory and can't be pushed out till because of the no Steel part can be pushed out to desk till the transaction is done so this just to say that the no Steel part can be really problematic the force part is not trivial part too because you have to go figure out which part of that pay changed so we need to ultimately live in a world where we have to try to make the opposite of this happens which is to have the most high performance scheme which is to do steel no Force now as we start to make changes we'll have to keep track of what we have changed and uh work with that so one of
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