[ZODB-Dev] [Report] ZEO (Client+Server together) spends almost 25% of time in code controlled by "if __debug__:"

[Dieter Maurer]

Tim Peters wrote at 2003-11-16 15:37 -0500:
 > ... "-O" and assigning to "__debug__" ...
 > > However, in this case, Python is using "optimized" byte codes without
 > > "SET_LINENO" instructions. I fear, this will make debugging impossible
 > 
 > It shouldn't hurt getting the right line numbers in tracebacks, but it does
 > make it impossible to set breakpoints in the Python debugger.
 > 
 > > (Python 2.3 may be debuggable without "SET_LINENO" instructions,
 > > but I am not sure).
 > 
 > Yes, SET_LINENO is never generated (regardless of -O) in 2.3; different
 > mechanisms are used in the 2.3 debugger.

Thank you for your comments!

When Zope 2.7 is released we will make a big upgrade (Python 2.3.2, Zope 2.7,
ZODB 3.2). We will then run Zope/ZEO in optimized mode and my
hack (assigning to "__debug__") will go away again.

-- 
Dieter