Intermittent failure in "disk>RAM paged-out rm"

Seeing intermittent failures of test "disk>RAM paged-out rm" during CV:

Error signature

Failure of an engine_testapp test:

<pre>

Running [X/Y]: disk>RAM paged-out rm.../kv_engine/engines/ep/tests/ep_testsuite.cc:4326 Test failed: `' (Expected `XXX' to be greater than or equal to `8097' - Fell below initial overhead.)

(X ms) FAIL

</pre>

Details
7 instances of this failure (8.0% of sampled failures):

• Time: 2022-07-05 07:47:35, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47444/, patch: https://review.couchbase.org/c/kv_engine/+/177037
• Time: 2022-07-04 19:02:38, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47429/, patch: https://review.couchbase.org/c/kv_engine/+/176929
• Time: 2022-07-04 17:10:30, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47425/, patch: https://review.couchbase.org/c/kv_engine/+/177069
• Time: 2022-07-04 14:32:19, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47413/, patch: https://review.couchbase.org/c/kv_engine/+/177035
• Time: 2022-07-04 10:54:51, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47372/, patch: https://review.couchbase.org/c/kv_engine/+/177028
• Time: 2022-07-04 09:50:31, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47362/, patch: https://review.couchbase.org/c/kv_engine/+/176955
• Time: 2022-07-04 04:12:58, Jenkins job: http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/47334/, patch: https://review.couchbase.org/c/kv_engine/+/177007