Some experiments performed on an old topic...
On Oct 11, 2006, at 8:57 PM, Red Daly wrote:
I was importing into sleepycat using standard elephant routines. I
am not aware of an 'import mode' for sleepycat, but I will look
into that when I have a chance. Another consideration using
sleepy
I don't think that performance of the base Elephant is good enough to
justify an every-object-is-persistent model. It's just not seamless
enough or efficient enough yet.
DCM takes a good step in the performance direction for most applications
(single lisp images) and I'm hoping that some of the
Can you tell me a little bit about what the import operations look like
- that is to say how many objects are created per-transaction, how many
slots per created object, etc? Things are only cached in-memory during
a transaction. To ensure ACID properties (unless you've turned off
synchronization
On Wed, 2006-10-11 at 17:57 -0700, Red Daly wrote:
I was importing into sleepycat using standard elephant routines. I am
not aware of an 'import mode' for sleepycat, but I will look into that
when I have a chance.
I do not think there is anyway to import things directly and to deal with
I was importing into sleepycat using standard elephant routines. I am
not aware of an 'import mode' for sleepycat, but I will look into that
when I have a chance. Another consideration using sleepycat is that
using BTrees with a large working set demands large amounts of memory
relative to a
Yes, it's amusing.
In my own work I use the Postgres backend; I know very little about SleepyCat. It seems
to me that this is more of a SleepyCat issue, then an Elephant issue. Perhaps you should
ask the SleepyCat list?
Are you importing things into SleepyCat directly in the correct seriali
I will be running experiments in informatics and modeling in the future
that may contain (tens or hundreds of) millions of objects. Given the
ease of use of elephant so far, it would be great to use it as the
persistent store and avoid creating too many custom data structures.
I have recently
