perf(plugin/prometheus): generate metrics string with string.buffer #11040
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chronolaw
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bungle
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@oowl , could you do the same performance test for this PR again? thanks. |
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…fer (#11065) This PR follows #11040, continue to optimize the string usage by string.buffer. KAG-1852 Full changelog - use table.new for seen_metrics - buffered_print() outputs a string, not a table - change printable_metric_data of stream to fit the new buffered_print() - do not use ipairs to iterate array - other small optimizations
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Summary
This a performance improvement of #10949, using
string.bufferto generate metrics string,eliminate the cost of huge table.
KAG-1783
Checklist
Full changelog
table.newstring.buffergsubfor string value