On 4 Apr 2018, at 3:01pm, Pavel Cernohorsky <[email protected]>
wrote:
> Hello, does anybody know if there is some possibility to not have WAL file as
> a normal file on the disk, but only in memory? I understand that all the
> modifications to the database would get lost in case of the application / OS
> crash, but for my application, I only need the level of durability based on
> checkpointing. I just need to guarantee that all the data are properly
> written to the main database and synchronized to disk when manual (or even
> automatic) WAL checkpoint is called, but I do not care if I loose data in
> between the checkpoints. Of course database should never get corrupted.
You may be mistaking what checkpoints are for. They should not be used as an
ACID barrier.
In your situation, I recommend you use
PRAGMA journal_mode = MEMORY
and where you write 'checkpoint' above, that's where you do a COMMIT.
Simon.
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