[ZODB-Dev] filestorage open latency

[Toby Dickenson]

On Wednesday 11 December 2002 8:43 pm, David McCusker wrote:
> The recent commentary on profiling open time for filestorage databases
> suggests opening a zodb database has significant latency on the order
> of a couple or more dozens of seconds.
>
> Is that inherent in the filestorage architecture?

Filestorage startup time is proportional to size, and (should be)=20
proportionally longer if the storage is not closed cleanly.=20

> Is open latency for Berkeley db stores less?

Berkely (in latest versions) and DirectoryStorage open in constant bounde=
d=20
time.

> Do all zodb stores support undo?

All non-undo storages are variants of undoing storages