kevin7kal wrote at 2006-12-6 14:30 -0500:
>I have a database that is just under 200K objects with plans that it
>will grow larger. The objects are created by using another object with
>methods that read files and create the objects from the data in the
>files. When creating the objects, I find I have to manually clear the
>cache or else zope eventually crashes with an out of memory error.
>There are 4GB of ram on the server.
>The same issue arises when I catalog the objects. I am trying maintain
>as much speed as possible, so I do not want to catalog until the end of
>Is there a way to programmatically clear the cache during a large
>indexing to avoid out of memory errors?
A ZODB "Connection" has the method "cacheGC()" which you can call
to start a cache garbage collection.
As others already pointed out, it is implicitely called during
large catalog operations -- controlled by the so called
Note that in early versions of ZODB 3.4, there was a bug preventing
the call to "cacheGC" at "subtransaction" boundaries.
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