On Wed, Sep 4, 2013 at 3:51 PM, Varadan, Yamini (SCR US) (EXT) <
yamini.varadan....@siemens.com> wrote:

>
> But would any one know if there is any kind of synchronization that is
> done between different processes that connect to different sqlite databases
> that might slow down one process when the other process is performing DB
> operation on its sqlite DB?
>

No.  Two processes connected to different databases operating completely
independently of one another as far as SQLite is concerned.

Even if two processes are talking to the same SQLite database, if one
process is not actively using SQLite and does not have a transaction open,
then there is no interaction with the other process.

And even if there is "interaction", that interaction is limited to file
locks and/or use of a small amount of shared memory in WAL mode.  It is
never the case that one process will block or signal another process.
-- 
D. Richard Hipp
d...@sqlite.org
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