On 2/8/19, David Raymond <david.raym...@tomtom.com> wrote:
> So to make sure I'm understanding it ok, with the new vacuum into command,
> if I'm the only user of a file, then the sequence...
>
> open file1
> vacuum into file2
> close file1
> delete file1
> rename file2 to file1
>
> ...is going to be potentially more than twice as fast as the old...

Think you will be hard-pressed to get a 2x performance increase.
Faster, yes.  2x faster, I'm doubtful.  But perhaps I'm wrong.  Please
try it and see and report back.

>
> open file1
> vacuum
>
> ...as it saves the whole re-write of the original file, along with all the
> rollback journal or wal writes that entails. Correct?
>
> (With of course the whole "make sure it actually finished and didn't just
> die" caveats before doing the delete and rename)
> _______________________________________________
> sqlite-users mailing list
> sqlite-users@mailinglists.sqlite.org
> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
>


-- 
D. Richard Hipp
d...@sqlite.org
_______________________________________________
sqlite-users mailing list
sqlite-users@mailinglists.sqlite.org
http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users

Reply via email to