The second bug is responsible for the 1,857x on INSERT. Every bare INSERT outside a transaction is wrapped in a full autocommit cycle: ensure_autocommit_txn() → execute → resolve_autocommit_txn(). The commit calls wal.sync(), which calls Rust’s fsync(2) wrapper. 100 INSERTs means 100 fsyncs.
김어준 “李대통령 객관 강박…檢개혁 관련 레드팀 자처”
，这一点在PDF资料中也有详细论述
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