The money quote here might be "SQLite supports an unlimited number of simultaneous readers, but it will only allow one writer at any instant in time."

In reply to Re^2: Sqlite: Threads and inserts into a different database for each one. (1 thread fast, >1 slow) by GotToBTru
in thread Sqlite: Threads and inserts into a different database for each one. (1 thread fast, >1 slow) by ssc37

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