On 3 Nov 2015, at 4:31pm, ALBERT Aur?lien <aurelien.albert at alyotech.fr> 
wrote:

> I'm using these settings :
>  - sqlite3_config(SQLITE_CONFIG_MULTITHREAD)
>  - multiple threads
>  - only one sqlite connection per thread
>  - each thread have a different connection instance

You must set a timeout for each connection you open.  Use one of these:

<https://www.sqlite.org/c3ref/busy_timeout.html>

<https://www.sqlite.org/pragma.html#pragma_busy_timeout>

I recommend you set a timeout of at least 20 seconds.

Simon.

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