Upgrade to Lion
pete at lcsql.com
Wed May 30 18:15:18 EDT 2012
I'm puzzled by your remark about sqlite below.
SQLite is an in-memory database with a very small footprint and I doubt you
will find a faster SQL implementation. That's not to say it's perfect for
all uses, partuclarly in a multi-user enviornment, but the fact that it's
used in abundance on just about any mobile device you care to name attests
to its efficiency in relatively low powered environments.
I'm not sure what you mean by "industrial strength" but I know of people
who have millions of rows in a table and have no problems maintaining or
retrieveing their data in a timely manner.
SQLite has settings for controlling memory use, cache sizes, and many other
variables. They are all accessed via its PRAGMA statements. I can't know,
of course, if Apple has tweaked those settings for best performance but
it's unusual to have to change them at all.
I'm under the impression that OS X has used sqlite dbs behind the scenes
for years so it seems unlikley that SQLite can be blamed for the
performance issues that some of us are seeing in Lion.
lcSQL Software <http://www.lcsql.com>
On Tue, May 29, 2012 at 8:37 PM, Kay C Lan <lan.kc.macmail at gmail.com> wrote:
> My personal opinion on why Lion can be sluggish and resource hungry is that
> so much of it now has SQLite as it's backend which I know is slower than
> other DBs out there. I also THINK (no actual hard evidence) that in some
> cases people are requiring industrial strength performance out of it and it
> just isn't set up for that. Other DBs have all sorts of settings for
> memory, cache, VM etc, to maximise performance depending on the particular
> type/size of data you are dealing with. I'm not sure if any such tweaks
> occur to the OS X SQLite DBs.
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