VersionMembershipCache: Metrics and refactorings! (#8894) #1

Job	Run time
Set up single test	12s
Pre-build for cache	2m 58s
Integration test	10m 24s
Misc checks	6m 12s
Unit test	11m 8s
Functional test ndc (cass_es)	1s
Functional test ndc (cass_os2)	4m 41s
Functional test ndc (postgres12)	4m 37s
Functional test xdc (postgres12)	12m 59s
Functional test xdc (mysql8)	12m 10s
Functional test xdc (cass_es)	1s
Functional test ndc (postgres12_pgx)	4m 17s
Functional test xdc (cass_es8)	1s
Functional test xdc (cass_os2)	14m 49s
Functional test ndc (cass_es8)	1s
Functional test ndc (mysql8)	4m 53s
Functional test xdc (postgres12_pgx)	15m 0s
Functional test (cass_os2, shard 2)	24m 12s
Functional test (postgres12, shard 2)	21m 10s
Functional test (cass_es, shard 0)	1s
Functional test (sqlite, shard 1)	30m 13s
Functional test (cass_es8, shard 0)	1d 0h 0m 0s
Functional test (cass_es, shard 1)	1d 0h 0m 0s
Functional test (cass_es8, shard 2)	1s
Functional test (mysql8, shard 2)	21m 45s
Functional test (sqlite, shard 2)	25m 13s
Functional test (sqlite, shard 0)	22m 46s
Functional test (cass_es, shard 2)	1s
Functional test (cass_os2, shard 0)	25m 40s
Functional test (cass_es8, shard 1)	1d 0h 0m 0s
Functional test (postgres12, shard 1)	22m 39s
Functional test (postgres12, shard 0)	22m 12s
Functional test (cass_os2, shard 1)	26m 13s
Functional test (mysql8, shard 1)	26m 24s
Functional test (postgres12_pgx, shard 1)	22m 31s
Functional test (postgres12_pgx, shard 2)	17m 3s
Functional test (postgres12_pgx, shard 0)	20m 16s
Functional test (mysql8, shard 0)	20m 15s
Test Status	2s
Notify Slack on Failure	34s
	3d 7h 33m 35s

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