<transcript><audio_220>stuff at commit time okay so that'll be a lot of changes that have to be flushed at commit time and you'll have a slow system but but that could be how you how you could work in that case so for says at commit time I will force the committed transaction changes to dis no</transcript><transcript><audio_221>Force says no no no don't force that find a better way to do the commit that is more efficient and then deal with bad things can happen in a different way which is where logging is going to come in okay so let's look at one of the simplest policies of these combinations</transcript><transcript><audio_222>of Steel no steel Force no Force the easiest one is no steal buffer pool can do much it can steal a page uh and forces as you write stuff so it's a combination that works but it's obviously pretty slow but let's see in</transcript><transcript><audio_223>that just an example as to what happens with this simple scheme which is not realistic right we want to do better and we will so you have a read of a bring that page in you've seen this page multiple times now you go right to that second transaction comes in makes its</transcript> stuff at commit time okay so that'll be a lot of changes that have to be flushed at commit time and you'll have a slow system but but that could be how you how you could work in that case so for says at commit time I will force the committed transaction changes to dis no Force says no no no don't force that find a better way to do the commit that is more efficient and then deal with bad things can happen in a different way which is where logging is going to come in okay so let's look at one of the simplest policies of these combinations of Steel no steel Force no Force the easiest one is no steal buffer pool can do much it can steal a page uh and forces as you write stuff so it's a combination that works but it's obviously pretty slow but let's see in that just an example as to what happens with this simple scheme which is not realistic right we want to do better and we will so you have a read of a bring that page in you've seen this page multiple times now you go right to that second transaction comes in makes its
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