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roachtest: follower-reads/survival=zone/locality=regional/reads=exact-staleness failed #69817

@cockroach-teamcity

Description

@cockroach-teamcity

EDIT: the original failure printed here was due to a testing flake. A week later, all follower-read variants began to fail for real with a different error message. This issue will serve as the tracking issue for:


roachtest.follower-reads/survival=zone/locality=regional/reads=exact-staleness failed with artifacts on master @ 42e5f9492d0d8d93638241303bca984fe78baae3:

The test failed on branch=master, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/follower-reads/survival=zone/locality=regional/reads=exact-staleness/run_1
	follower_reads.go:619,follower_reads.go:318,follower_reads.go:56,test_runner.go:777: inconsistent timeseries response. Expected 23 points, but n5 (query 1) returned 21.
		Timeseries 1: [{1630662690000000000 1464.9} {1630662700000000000 1451} {1630662710000000000 1461} {1630662720000000000 1448.7} {1630662730000000000 1464.3000000000002} {1630662740000000000 1493.7} {1630662750000000000 1482.6000000000001} {1630662760000000000 1471.6000000000001} {1630662770000000000 1477.2} {1630662780000000000 1444} {1630662790000000000 1460.3000000000002} {1630662800000000000 1461.4} {1630662810000000000 1455.9} {1630662820000000000 1438.9} {1630662830000000000 1460.1000000000001} {1630662840000000000 1441} {1630662850000000000 1441.3000000000002} {1630662860000000000 1469} {1630662870000000000 1454.8000000000002} {1630662880000000000 1440.7} {1630662890000000000 1452.4} {1630662900000000000 1468.5} {1630662910000000000 1470.2}]
		Timeseries 2: [{1630662690000000000 22} {1630662700000000000 28.3} {1630662710000000000 28.5} {1630662720000000000 28.400000000000002} {1630662730000000000 28.5} {1630662740000000000 56.900000000000006} {1630662760000000000 14.200000000000001} {1630662770000000000 28.5} {1630662780000000000 28.5} {1630662790000000000 56.900000000000006} {1630662810000000000 14.25} {1630662820000000000 28.400000000000002} {1630662830000000000 28.5} {1630662840000000000 28.5} {1630662850000000000 28.3} {1630662860000000000 28.6} {1630662870000000000 28.5} {1630662880000000000 28.200000000000003} {1630662890000000000 28.6} {1630662900000000000 28.3} {1630662910000000000 28.5}].
Reproduce

See: roachtest README

/cc @cockroachdb/kv-triage

This test on roachdash | Improve this report!

Epic CRDB-10559

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