Updating Default Value of DD_TRACE_RATE_LIMIT

[link04]

Description

Updating the default value for the DD_TRACE_RATE_LIMIT from 0 to 100 to match RFC and most of all other languages.

Related Jira: https://datadoghq.atlassian.net/browse/APMAPI-496

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.37%. Comparing base (093ef34) to head (e2beb4f).

❗ There is a different number of reports uploaded between BASE (093ef34) and HEAD (e2beb4f). Click for more details.

HEAD has 21 uploads less than BASE

Flag	BASE (093ef34)	HEAD (e2beb4f)
tracer-php	12	0
tracer-extension	9	0

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2907      +/-   ##
============================================
- Coverage     78.21%   68.37%   -9.85%     
============================================
  Files           173       27     -146     
  Lines         18752     4038   -14714     
  Branches        988      988              
============================================
- Hits          14667     2761   -11906     
+ Misses         3544      736    -2808     
  Partials        541      541              

Flag	Coverage Δ
appsec-extension	68.37% <ø> (ø)
tracer-extension	?
tracer-php	?

Flags with carried forward coverage won't be shown. Click here to find out more.

see 146 files with indirect coverage changes

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2024-10-25 22:01:56

Comparing candidate commit e2beb4f in PR branch maximo/consistent-rate-limit-config with baseline commit 093ef34 in branch master.

Found 3 performance improvements and 1 performance regressions! Performance is the same for 174 metrics, 0 unstable metrics.

scenario:HookBench/benchWithoutHook

• 🟥 execution_time [+2.386µs; +7.298µs] or [+2.934%; +8.975%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization

• 🟩 execution_time [-12.857µs; -3.903µs] or [-7.527%; -2.285%]

scenario:PDOBench/benchPDOBaseline

• 🟩 execution_time [-13.374µs; -8.274µs] or [-7.050%; -4.362%]

scenario:PDOBench/benchPDOBaseline-opcache

• 🟩 execution_time [-13.961µs; -12.999µs] or [-7.292%; -6.790%]