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postgres: probe timeouts of 5 s (readiness) and 10 s (liveness), threshold 6 #2496

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postgres: probe timeouts of 5 s (readiness) and 10 s (liveness), threshold 6 #2496

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0137e0c
postgres: give the probes a 5 s timeout and a threshold of 6
dims Oct 12, 2026
401c85e
postgres: give the liveness probe a 10 s timeout
dims Oct 13, 2026
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6 changes: 4 additions & 2 deletions docs/guides/benchmarking.md
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Expand Up @@ -780,8 +780,10 @@ what to set before the run:
timeout. Three misses of the liveness probe (`pg_isready`) restart
postgres mid-run; three misses of the readiness probe (`nc`) drop the pod
from the Service, and ateapi loses its connections without a restart. Give
both `timeoutSeconds: 5` and `failureThreshold: 6`, and give the postgres
container CPU and memory requests sized for the run: on a saturated node
the readiness probe `timeoutSeconds: 5` and the liveness probe
`timeoutSeconds: 10`, so a slow database leaves the Service before it is
killed, both with `failureThreshold: 6`, and give the postgres container
CPU and memory requests sized for the run: on a saturated node
the request is its share of the CPU, and a starved postgres is what misses
the probes.
* **Parking budget.** `--parked-request-budget` (default `5s`) has to cover a
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4 changes: 4 additions & 0 deletions manifests/ate-install/postgres/postgres.yaml
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Expand Up @@ -183,6 +183,8 @@ spec:
- nc -z 127.0.0.1 5432
initialDelaySeconds: 2
periodSeconds: 2
timeoutSeconds: 5
failureThreshold: 6
livenessProbe:
exec:
command:
Expand All @@ -191,6 +193,8 @@ spec:
- pg_isready -U "${POSTGRES_USER}" -d postgres
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 10
failureThreshold: 6
args:
- -c
- config_file=/etc/postgresql/postgresql.conf
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