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Spill to dirty pages, write to disk #3
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benbjohnson
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Jan 31, 2014
Spill to dirty pages, write to disk
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heyitsanthony
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Jul 25, 2017
Garbage collect pages allocated after minimum txid
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@snormore There's a bunch of changes in this PR but the biggest thing is that it'll actually create a bucket and read it back out in a separate transaction! Woohoo! Small victories. :)
I also simplified the bucket meta storage (called
sysin the code). It was a real bucket that required a cursor to traverse but that was a pain in the ass. Most of the time there will be a relateivly small number of buckets so we don't need to optimize for a huge number by using a B+tree. There's now a page type calledp_systhat just stores a list of buckets. Easy peasy. It's not very optimized right now but we can improve that later.Next up is reading and writing data in a bucket. It's partially there but I need to test it and clean it up. Also, there's no support for spilling buckets to pages. I can explain everything in more detail tomorrow.