<transcript><audio_321>oh you could set it up that way which means it's like what's your tolerance to that failure in that short amount of time while that IO happens okay there are options like that you will see a couple more slides and then I</transcript><transcript><audio_322>promise I will stop the logging schemes are I want to finish the logging schemes and then we'll stop uh there are three different types of logging schemes let's just go through that the first one is physical logging which is to say at the what I'm going to record is effectively</transcript><transcript><audio_323>like a g diff I'm going to record in the log the before and after image of what was changed now usually that is done uh at the value level but as you can imagine this diff can start to become</transcript><transcript><audio_324>really large now the challenge with this scheme is that if I'm doing this imagine I've got a page and that page is a slotted page structure and Records have records can move around in a slotted page structure while still keeping the</transcript> oh you could set it up that way which means it's like what's your tolerance to that failure in that short amount of time while that IO happens okay there are options like that you will see a couple more slides and then I promise I will stop the logging schemes are I want to finish the logging schemes and then we'll stop uh there are three different types of logging schemes let's just go through that the first one is physical logging which is to say at the what I'm going to record is effectively like a g diff I'm going to record in the log the before and after image of what was changed now usually that is done uh at the value level but as you can imagine this diff can start to become really large now the challenge with this scheme is that if I'm doing this imagine I've got a page and that page is a slotted page structure and Records have records can move around in a slotted page structure while still keeping the
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