Adding gfe_latencies metric to built-in metrics #3490
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HailongWen
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Dec 11, 2024
| TagContext tagContext, | ||
| Attributes attributes, | ||
| Span span, | ||
| Map<String, String> builtInMetricsAttributes) { | ||
| MeasureMap measureMap = STATS_RECORDER.newMeasureMap(); | ||
| String serverTiming = metadata.get(SERVER_TIMING_HEADER_KEY); | ||
| if (serverTiming != null && serverTiming.startsWith(SERVER_TIMING_HEADER_PREFIX)) { |
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Can we make this compatible with other server timing headers?
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More specifically, a server timing header is in the format of [component]; dur=[latency], as stated in the w3c standard. gfet4t7 is just one of the possible component and it is not guaranteed to be the first one, so startsWith shall be changed to something like contains.
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