Increase LevelDB max_open_files unless on 32-bit Unix. #2312
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Fuzzbawls
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Apr 16, 2021
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Fuzzbawls
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Code ACK, just needs to cleanup the developer-notes.md file as the cherry-pick introduced duplicate sections
This change significantly increases IBD performance by increasing the amount of the UTXO index that can remain in memory. To ensure this doesn't cause problems in the future, a static_assert on the LevelDB version has been added, which must be updated by anyone upgrading LevelDB.
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Fuzzbawls
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Apr 17, 2021
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This change significantly increases IBD performance by increasing the amount of the UTXO index that can remain in memory. To ensure this doesn't cause problems in the future, a static_assert on the LevelDB version has been added, which must be updated by anyone upgrading LevelDB.
In upstream, this resulted in a substantial difference in the sync time. A 50% reduction in the reindex time.
So.. 2x speedup improvement.
Coming straight from bitcoin#12495.