[ome-users] OMEIS potential bug

[Chris Allan]

On Mon, Jul 25, 2005 at 11:56:52AM -0700, Gerald Fontenay wrote:
> Hi,

Hi Gerald.

Right now there is a soft limit of about 1GB for images in OMEIS and
that's what you're seeing.

There has been some work on this front but other things have recently
taken priority.

You can have a look at some ideas on this front here:

http://cvs.openmicroscopy.org.uk/tiki/tiki-index.php?page=Scalability

> 
> I ran some simple "stress-testing" of the OMEIS that ran over the 
> weekend. I had a couple of scripts separately running curl that would 
> each upload a file ( one small, one 1gig+) using FileUpload, get the 
> FileID, then run DeleteFile.
> However, it seems after some 5 thousand of these iterations of this 
> admittedly silly use-case, I am no longer able to upload those files or 
> get back a valid FileID. Through browsing, they do not seem present in 
> the OMEIS filesystem. The digest mechanism appears to be picking them up 
> as present then apparently some additional reading failed.
> 
> The curl output:
> Error calling UploadFile: UploadFile failed.
> System Error: No such file or directory
> OMEIS Error: Error opening FileID=344: No such file or directory.
> Error opening FileID=344: No such file or directory.
> 
> 
> Perhaps it's the case that at some point writing the file failed while 
> the digest mechanism thinks that file still does exist in the system.
> Not really sure. Does this make sense? Silly way to test, again, I know, 
> but I didn't have much disk space on this install nor time for a better 
> test.
> 
> TIA for any clarification, assistance, etc..
> Gerald

Ciao.

-Chris