Re: [Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries, Oh My....

2003-05-30 Thread Dieter Maurer
Jeffrey P Shell wrote at 2003-5-28 19:33 -0600: > I need to know more about Conflict Errors. We're running into a lot of > them lately, it seems, on production Zope 2.6.1 sites (running on > FreeBSD). The primary culprit seems to be Temporary Storage/Sessions. When the conflicts are "ReadCo

Re: [Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries, Oh My....

2003-05-30 Thread Jeffrey P Shell
On Thursday, May 29, 2003, at 07:32 AM, Chris McDonough wrote: On Thu, 2003-05-29 at 01:08, Jeffrey P Shell wrote: Thanks for the information. Is it safe at all to try to catch a ConflictError during the critical part of the code, log some information, and then reraise the error to let the syste

Re: [Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries,Oh My....

2003-05-29 Thread Chris McDonough
On Thu, 2003-05-29 at 01:08, Jeffrey P Shell wrote: > Thanks for the information. Is it safe at all to try to catch a > ConflictError during the critical part of the code, log some > information, and then reraise the error to let the system do what it > needs? Sure, but I'm not sure what that

Re: [Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries, Oh My....

2003-05-29 Thread Jeffrey P Shell
On Wednesday, May 28, 2003, at 10:19 PM, Chris McDonough wrote: This doesn't happen often, but (as stated), this is a critical operation that needs to be better protected. All other exceptions and bits and pieces in the block of code in question has been tested thoroughly and we have not had any

Re: [Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries,Oh My....

2003-05-29 Thread Chris McDonough
On Wed, 2003-05-28 at 21:33, Jeffrey P Shell wrote: > > Something that has happened, and is causing a small amount of alarm, is > that a large method that interfaces to external non-transactional > systems seems to (on occasion) send their information off to that > external system twice, but th

[Zope-dev] [CRITICAL] Conflict Errors, Transactions, Retries, Oh My....

2003-05-29 Thread Jeffrey P Shell
I need to know more about Conflict Errors. We're running into a lot of them lately, it seems, on production Zope 2.6.1 sites (running on FreeBSD). The primary culprit seems to be Temporary Storage/Sessions. Something that has happened, and is causing a small amount of alarm, is that a large m