Reply To: Loss of data during crash

[Andre Duguay]

Hi,

Sorry, I should have researched the Forum on Disk-based queueing before asking the question … I just found a very clear description by Rob Abbott on a the topic called “Disk based queuing 5.2 – set by default” initiated by Jim Kosloskey.

We will scheduled another test with this on. We will then have to determine the trade off between performance and committed writes.

😕 For the comments I have seen I do not seem to have the same concerns that the majority … is there something I don’t understand?

For me, it is important that I have on disk a exact picture of all messages at the state they are at at every moment so that when I have a problem with my primary server (crash with loss of memory), I can fail over to my backup and resume processing with what I see in the recovery database. If what is in the recovery database is an image from hours ago, I will resend messages that I have already sent … readmitting patients; re-ordering tests; etc which would lead to chaos. I know the performance is important but it should be second to the integrity of the delivery.

Thanks,

Andre Duguay