Use separate DB connection pools for read/update in platform update benchmark #1764
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This uses separate connection pools (data sources) for the queries and the updates in the platform updates benchmark, as suggested by @NinoFloris. Improvement isn't as significant as we hoped (and saw earlier): 3.64%. But given the variability/unreliability of the updates benchmark, we may see a better trend on the graph after a bit of time. Note that I ran this for 60 seconds instead of the default 15.
Command lines
/cc @ajcvickers @sebastienros