[ZODB-Dev] Blob savepoints leaving garbage?

Christian Theune ct at gocept.com
Thu Jun 26 15:15:06 EDT 2008


On Thu, Jun 26, 2008 at 08:32:25PM +0200, Christian Theune wrote:
> Hi,
> 
> I think I didn't totally grasp the way that blob savepoints work correctly. At
> one of our installations we have lots of .spb files left around. 
> 
> Looking at the code I don't see where .spb files get cleaned up again on
> savepoint aborts.

I reviewed the savepoint tests and see that they don't check for cleanup:
neither on rollback, nor on abort.

> On the bushy branch I found that having the TmpStore create directory
> structures is probably a bad idea. I propose to have it create a directory
> `savepoints` in the temporary directory and create files called
> `oidrepr-tidrepr.spb`.

I implemented this on the branch and it seems to work well. I find it easier
to inspect on the filesystem than having savepoint state being distributed
over the whole structure.

Christian

-- 
Christian Theune · ct at gocept.com
gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 7 · fax +49 345 1229889 1
Zope and Plone consulting and development


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