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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.
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N0BMW8QRDgOH96KUqGEdpbAmPSa5XZ43hkeV2woFIyCnu1JTYsftj7xLzvcil+/r。关于这个话题，爱思助手下载最新版本提供了深入分析
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