Always collect available metrics in top queries service #205
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Description
Currently we are not collecting metrics that are not enabled for top n queries, which causes certain measurements fields missing in local index sometimes. This is not a consistent behavior, idealy, when user configure "enabling/disabling top n queries by cpu", we should really just adding/removing the logic to push the records into the cpu metric heap, but whether the the top n queries are configured or not, we should always collect the metric.
Issues Resolved
#204
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