fix(tracing): fix traceback max size for exceptions [backport 2.8] #9390
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Backport 1b954de from #9112 to 2.8.
#7558 made the traceback size configurable via
DD_TRACE_SPAN_TRACEBACK_MAX_SIZE
, but tracebacks for exceptions were still hardcoded with a limit of 30.The fix is modeled after
Span#set_traceback
's existing logic, and tests were modeled after bothtest_traceback_with_error
andtest_custom_traceback_size
. Not much new logic, just an edge case.Checklist
changelog/no-changelog
is set@DataDog/apm-tees
.Reviewer Checklist