I am updating an item in a separated thread but when it finishes the new
value is not updated in the same object in the main thread.
In the example below root['counter'] starts in 0, is incremented in the new
thread but it remains in 0 in the main thread.
#!/usr/bin/python
from ZODB.Fil
>Le lundi 19 mars 2012 18:57:53, Alan Runyan a écrit :
>> if your increment a counter its best the counter be of type,
>> BTrees.Length
>Depends on the usage. If generated numbers are intended to become unique
identifiers, a BTree.Length is definitely not >what he wants.
>Conflicts are good
>> Indeed I want to sync the same BTree between threads. I am adding
>> persistence and acknowledgement to the Python queue.
>I don't understand what you mean by:
>- "sync": ZODB is probably not a good backend to provide synchronisation as
a
> feature, ie it's not a "lock server" and does what it
