Tim, Have you checked all of the usual suspects for optimistic locking problems in your model?
Locking on blobs and timestamps are the two that come to mind. We've run D2W apps in production for ages without these kinds of problems, so it is not a widespread issue that needs an across the board fix. D -- David LeBer Codeferous Software On 2013-06-03, at 5:50 PM, Tim Worman <[email protected]> wrote: > Ramsey: > > Thanks much. I'll check out freshness explorer. > > What do you do for D2W typically? Clobber all fetches with a rule and have it > always refreshRefetchedObjects for everything or do you typically only put a > rule in for certain views and relationships? > > Tim > > On Jun 3, 2013, at 1:19 PM, Ramsey Gurley <[email protected]> wrote: > >> >> On Jun 3, 2013, at 12:06 PM, Tim Worman wrote: >> >>> an optimistic locking problem I believe. If I kick a new instance >>> everything is fine. >> >> That sounds like you need to refreshRefetchedObjects on your fetch spec. If >> you've previously fetched a row, and then another instance changes that same >> row, then you fetch the row again in the first instance, the snapshot is not >> refreshed unless you tell it do so explicitly. >> >> With the default false value for refreshRefetchedObjects, you can actually >> fetch with a qualifier q, and then filter your fetched array with q in >> memory and get a smaller array of results. >> >> I suggest playing around with the freshness explorer app for a few minutes. >> I found the results to be eye opening. >> >> https://github.com/nullterminated/ponder/blob/master/ERR2d2w/Support/FreshnessExplorer.zip >> >> Ramsey >> > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/dleber_wodev%40codeferous.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
