GH-5653 experimenting with query optimisation for union and optional implementated based on paper#5654
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hmottestad wants to merge 41 commits intodevelopfrom
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Memory Store - Develop branchMemory Store - Current branch |
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LMDB Store - develop branchLMDB - current branch |
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Some queries with LmdbStore are much slower than with MemoryStore. Could this be due to wrong cardinality estimation? |
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MemoryStore updated results |
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@kenwenzel that would be my guess, I'm curious to see if these queries will be faster with the new sketch based cardinality estimation. I got ChatGPT to make a lot of data generators and queries for us to use for better benchmarking. |
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Memory Store |
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Added more queries and optimisations. Here are the numbers for the Memory Store. Another update |
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Latest for the MemoryStoreQuite a few regressions now, but all tests are passing at least. |
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And another update for the memory store |
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GitHub issue resolved: #5653
Briefly describe the changes proposed in this PR:
PR Author Checklist (see the contributor guidelines for more details):
mvn process-resourcesto format from the command line)