✍️ “I recently upgraded my client ev.energy to PostgreSQL 13... I reindexed all tables after the upgrade to take advantage of this [new] deduplication and saw index storage savings of up to 90%.“
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We have to thank for this any many more index optimization in the past years! Thank you Peter for your great work!
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Thanks for saying so! Though I should point out that Anastasia Lubennikova coauthored the dedup stuff. That's clearly the main factor here.