💥 [RUM-7676] default traceContextInjection to sampled

[thomas-lebeau]

Motivation

Improve Trace <> RUM correlation with RUM without limits

Changes

makes sampled the new default for traceContextInjection init option

Testing

• Local
• Staging
• Unit
• End to end

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I have gone over the contributing documentation.

[cit-pr-commenter]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	153.17 KiB	153.17 KiB	4 B	0.00%	✅
Logs	50.97 KiB	50.97 KiB	0 B	0.00%	✅
Rum Slim	103.14 KiB	103.14 KiB	4 B	0.00%	✅
Worker	25.16 KiB	25.16 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base Average Cpu Time (ms)	Local Average Cpu Time (ms)	𝚫
addglobalcontext	0.002	0.002	-0.000
addaction	0.127	0.065	-0.062
addtiming	0.001	0.001	-0.000
adderror	0.118	0.067	-0.051
startstopsessionreplayrecording	2.427	0.805	-1.622
startview	0.692	0.420	-0.272
logmessage	0.027	0.032	0.005

🧠 Memory Performance

Action Name	Base Consumption Memory (bytes)	Local Consumption Memory (bytes)	𝚫 (bytes)
addglobalcontext	27.92 KiB	26.77 KiB	-1181 B
addaction	52.04 KiB	50.51 KiB	-1574 B
addtiming	26.71 KiB	26.12 KiB	-605 B
adderror	56.38 KiB	55.84 KiB	-557 B
startstopsessionreplayrecording	27.27 KiB	26.67 KiB	-610 B
startview	413.59 KiB	412.36 KiB	-1265 B
logmessage	55.72 KiB	53.78 KiB	-1979 B

🔗 RealWorld

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.49%. Comparing base (7335202) to head (0babc35).

Additional details and impacted files

@@            Coverage Diff             @@
##               v6    #3212      +/-   ##
==========================================
- Coverage   93.52%   93.49%   -0.03%     
==========================================
  Files         285      285              
  Lines        7549     7549              
  Branches     1718     1718              
==========================================
- Hits         7060     7058       -2     
- Misses        489      491       +2     

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