release-26.3.0-rc: roachtest: perturbation/full/partition failed

roachtest.perturbation/full/partition [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21427933?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21427933?buildTab=artifacts#/perturbation/full/partition) on release-26.3.0-rc @ [b60f2917c1a560facb9bf0946c197e036334658c](https://github.com/cockroachdb/cockroach/commits/b60f2917c1a560facb9bf0946c197e036334658c):

Failed with:

```
(assertions.go:387).Fail:
Error Trace: pkg/cmd/roachtest/tests/perturbation/framework.go:1060
pkg/cmd/roachtest/test_runner.go:1548
src/runtime/asm_amd64.s:1771
Error: FAILURE: follower-read : throughput ratio 2.28x exceeds limit 1.2x (baseline: 11138 ops/s, measured: 4896 ops/s)
FAILURE: read : throughput ratio 2.29x exceeds limit 1.2x (baseline: 11144 ops/s, measured: 4856 ops/s)
FAILURE: write : throughput ratio 2.29x exceeds limit 1.2x (baseline: 22394 ops/s, measured: 9795 ops/s)
Test: perturbation/full/partition
(require.go:522).Fail: FailNow called
test artifacts and logs in: /artifacts/perturbation/full/partition/run_1
```
Cluster Node to Ip Mapping:
| Node | Public IP | Private IP |
| --- | --- | --- |
| teamcity-21427933-1784277547-191-n13cpu16sm-0001 | 34.148.183.88 | 10.142.3.25 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0002 | 34.24.145.100 | 10.142.3.73 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0003 | 35.243.161.223 | 10.142.3.89 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0004 | 34.24.246.80 | 10.142.3.64 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0005 | 34.24.173.15 | 10.142.3.59 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0006 | 35.196.56.107 | 10.142.3.88 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0007 | 35.196.84.194 | 10.142.3.62 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0008 | 35.227.72.131 | 10.142.3.69 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0009 | 136.108.6.34 | 10.142.3.77 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0010 | 35.196.216.32 | 10.142.3.65 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0011 | 35.196.161.75 | 10.142.3.86 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0012 | 34.73.25.149 | 10.142.3.87 |
| teamcity-21427933-1784277547-191-n13cpu16sm-0013 | 34.75.193.127 | 10.142.3.58 |

Parameters:
- acMode=defaultOption
- arch=amd64
- blockSize=4096
- cloud=gce
- coverageBuild=false
- cpu=16
- diskBandwidthLimit=0
- diskCount=2
- disks=2
- encrypted=false
- fillDuration=10m0s
- fs=ext4
- leaseType=expiration
- localSSD=true
- mem=standard
- numNodes=12
- numWorkloadNodes=1
- perturbationDuration=10m0s
- ratioOfMax=0.5
- runtimeAssertionsBuild=false
- seed=0
- splits=10000
- validationDuration=5m0s
- vcpu=16
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

See: [Grafana](https://go.crdb.dev/roachtest-grafana/teamcity-21427933/perturbation-full-partition/1784302951599/1784305224404)

See: [Datadog Logs](https://us5.datadoghq.com/logs?query=service%3Aroachtest+%40cluster%3Ateamcity-21427933-1784277547-191-n13cpu16sm&from_ts=1784302951599&to_ts=1784305224404&live=false&storage=flex_tier)

Same failure on other branches

- #171797 release-26.3: roachtest: perturbation/full/partition failed [C-test-failure O-roachtest O-robot T-kv branch-release-26.3]
- #171399 roachtest: perturbation/full/partition failed [A-testing C-bug C-test-failure O-roachtest O-robot P-2 T-kv branch-master]

/cc @cockroachlabs/kv-triage

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*perturbation/full/partition.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-65885