still not very clear to me.
Thanks.
-Mike
From:
Tore Halset
To:
user@cayenne.apache.org
Date:
05/25/2010 07:58 AM
Subject:
Re: Blobs in the DataContext
Hello.
I tried to implement support for streaming blobs back in 2006.
Sorry, but
it never got completed. I still think it is a nice
don't mind, about this as I quickly (i.e. panic-mode) try to cobble
something together. I'm just learning cayenne so a lot of the internals
are still not very clear to me.
Thanks.
-Mike
From:
Tore Halset
To:
user@cayenne.apache.org
Date:
05/25/2010 07:58 AM
Subject:
Re: Bl
Hello.
I tried to implement support for streaming blobs back in 2006. Sorry, but it
never got completed. I still think it is a nice feature. If you want to work on
this issue, you might want to take a look at streaming_blob_try2.zip from
https://issues.apache.org/jira/browse/CAY-316
Regards,
Hello Mike;
> the architecture I inherited for this product bills the BLOBs in the DB as
> a sort of "feature" that I don't see changing anytime soon. Currently we
Can you perhaps use "raw rows" equivalent to get the data out so that it does
not cache?
> btw. Andrew, I remember you and your
happens in the Cayenne internals when you create a new
object in the context, commit it, and continue using the same context.
btw. Andrew, I remember you and your LEWOstuff from wowodc... very cool
"stuff"! :)
Thanks.
-Mike
From:
Andrew Lindesay
To:
user@cayenne.apache.org
Date:
05/2
Some database products offer "streaming" to and from BLOBs which is
one get-around for these problems. This means you can theoretically
get away with not having to hold the whole hunk of data in memory at
once.
Yeah, I was wondering the same thing. Blob is an interface that you
can imple
Hi there Mike;
I'd have to agree with Ari there; small BLOBs (usually in a sub-table) work
fine with an object-relational mapping system like Cayenne, but trying to use
an object-relational technology for big BLOBs is generally troublesome owing to
the cost of shifting those big hunks of data a
On 22/05/10 7:27 AM, mgarg...@escholar.com wrote:
I'm using cayenne to store large files in BLOBs as a process runs.
The first step of the process is storing large files (~ 600MB)
I'm sure others will chime in with similar thoughts: ORMs are not really
designed for this type of workload. For
Hi,
I'm using cayenne to store large files in BLOBs as a process runs.
The first step of the process is storing large files (~ 600MB) and they
are ending up in the DB just fine, then we run some tasks and get some
output files, and then store the large output files (~ 500MB) to the DB.
