TRM Labs(@trmlabs):New on the TRM Tech Blog, Staff Software Engineer Andrew Fisher writes about migrating 500 billion rows of blockchain data and why time partitioning failed. With extreme address-level skew, queries were scanning ~25,000 Iceberg files per lookup. But bucket partitioning by address brought that down to ~300, landing P95 under 2.5s. Read his post here 👉

TRM Labs

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Preventing fraud and financial crime for digital currencies

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TRM Labs@trmlabs

2026.07.06 19:00

New on the TRM Tech Blog, Staff Software Engineer Andrew Fisher writes about migrating 500 billion rows of blockchain data and why time partitioning failed. With extreme address-level skew, queries were scanning ~25,000 Iceberg files per lookup. But bucket partitioning by address brought that down to ~300, landing P95 under 2.5s. Read his post here 👉

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