fix: cheaper counter metrics #427

Job	Run time
Local / file / oriole / multitenant	1m 26s
Local / file / oriole / single	1m 23s
Local / s3 / oriole / single	1m 40s
Local / file / pg / multitenant	55s
Local / file / multigres / single	1m 15s
Local / file / pg / single	59s
Local / s3 / pg / single	59s
Local / file / multigres / multitenant	1m 32s
Local / s3 / multigres / multitenant	1m 20s
Local / s3 / pg / multitenant	1m 0s
Local / s3 / multigres / single	1m 20s
Local / s3 / oriole / multitenant	2m 25s
Remote	-1s
	16m 13s

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