On Mon, Mar 21, 2016 at 1:53 PM, Christoph Hormann <[email protected]> wrote:
> > The general problem with SQLite based files is that they are always read > and written through the SQLite database engine which is not > particularly good for sequential write and read operations. In my experience the engine defaults to one write operation per transaction which is very slow. If you are processing a large amount of data you need to explicitly open and then later (after many writes) commit the transaction if you want reasonable performance.
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