Roman Khavronenko a5c427bac4 app/vmalert/datasource: reduce number of allocations when parsing instant responses (#6272) ... Allocations are reduced by implementing custom json parser via fastjson lib. The change also re-uses `promInstant` object in attempt to reduce number of allocations when parsing big responses, as usually happens with heavy recording rules. ``` name old allocs/op new allocs/op delta ParsePrometheusResponse/Instant-10 9.65k ± 0% 5.60k ± 0% ~ (p=1.000 n=1+1) ``` Signed-off-by: hagen1778 <roman@victoriametrics.com> --------- Signed-off-by: hagen1778 <roman@victoriametrics.com> (cherry picked from commit 4f0525852f)		2024-05-16 09:35:58 +02:00
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instant_response.json	app/vmalert/datasource: reduce number of allocations when parsing instant responses (#6272)	2024-05-16 09:35:58 +02:00