K8SPG-834 add test for huge pages by nmarukovich · Pull Request #1424 · percona/percona-postgresql-operator

nmarukovich · 2026-02-02T13:17:49Z

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CHANGEDESCRIPTION

Problem:
Short explanation of the problem.
E2e test for huge pages was added.

Cause:
Short explanation of the root cause of the issue if applicable.

Solution:
Short explanation of the solution we are providing with this PR.

CHECKLIST

Jira

Is the Jira ticket created and referenced properly?
Does the Jira ticket have the proper statuses for documentation (Needs Doc) and QA (Needs QA)?
Does the Jira ticket link to the proper milestone (Fix Version field)?

Tests

Is an E2E test/test case added for the new feature/change?
Are unit tests added where appropriate?

Config/Logging/Testability

Are all needed new/changed options added to default YAML files?
Are all needed new/changed options added to the Helm Chart?
Did we add proper logging messages for operator actions?
Did we ensure compatibility with the previous version or cluster upgrade process?
Does the change support oldest and newest supported PG version?
Does the change support oldest and newest supported Kubernetes version?

github-actions

Remaining comments which cannot be posted as a review comment to avoid GitHub Rate Limit

shfmt

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1581 in f7f78ad

[ $? -eq 0 ] || return 1

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1583 to 1584 in f7f78ad

    
           echo "MachineConfig created" 
        
           echo "Waiting for worker pool to update (~10 minutes)..."

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1586 to 1589 in f7f78ad

    
           kubectl wait --for=condition=Updated mcp/worker --timeout=900s 2>/dev/null || { 
        
               echo "Update taking longer than expected" 
        
               return 1 
        
           }

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1591 in f7f78ad

echo "Worker pool updated"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1593 to 1594 in f7f78ad

    
           sleep 10 
        
           verify_hugepages_on_nodes

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1598 in f7f78ad

echo "Verifying hugepages on nodes"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1600 to 1605 in f7f78ad

    
               # Get first worker node, fallback to first non-master, fallback to any node 
        
               local node_name=$( 
        
                   kubectl get nodes -l node-role.kubernetes.io/worker -o jsonpath='{.items[0].metadata.name}' 2>/dev/null || \ 
        
                   kubectl get nodes -l '!node-role.kubernetes.io/master,!node-role.kubernetes.io/control-plane' -o jsonpath='{.items[0].metadata.name}' 2>/dev/null || \ 
        
                   kubectl get nodes -o jsonpath='{.items[0].metadata.name}' 
        
               )

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1607 to 1610 in f7f78ad

    
           if [ -z "${node_name}" ]; then 
        
               echo "No nodes found" 
        
               return 1 
        
           fi

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1612 in f7f78ad

echo "Checking node: ${node_name}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1614 to 1615 in f7f78ad

    
               local hugepages_capacity=$(kubectl get node ${node_name} \ 
        
                   -o jsonpath='{.status.capacity.hugepages-2Mi}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1617 to 1623 in f7f78ad

    
           if [ -n "${hugepages_capacity}" ] && [ "${hugepages_capacity}" != "0" ]; then 
        
               echo "Node has hugepages capacity: ${hugepages_capacity}" 
        
               return 0 
        
           else 
        
               echo "No hugepages capacity found on node ${node_name}" 
        
               return 1 
        
           fi

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1627 to 1629 in f7f78ad

    
           local pod_name=$1 
        
           local namespace=$2 
        
           local container=${3:-postgres}

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1631 in f7f78ad

echo "Verifying hugepages in pod ${pod_name}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1633 to 1635 in f7f78ad

    
               # Check /proc/meminfo 
        
               local hugepages_total=$(kubectl exec ${pod_name} -n ${namespace} -c ${container} -- \ 
        
                   grep HugePages_Total /proc/meminfo | awk '{print $2}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1637 to 1638 in f7f78ad

    
               local hugepages_free=$(kubectl exec ${pod_name} -n ${namespace} -c ${container} -- \ 
        
                   grep HugePages_Free /proc/meminfo | awk '{print $2}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1640 to 1641 in f7f78ad

    
           echo "HugePages_Total: ${hugepages_total}" 
        
           echo "HugePages_Free: ${hugepages_free}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1643 to 1649 in f7f78ad

    
           if [ "${hugepages_total}" -gt 0 ]; then 
        
               echo "Hugepages are available in pod" 
        
               return 0 
        
           else 
        
               echo "No hugepages in pod" 
        
               return 1 
        
           fi

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1653 to 1654 in f7f78ad

    
           local cluster_name=$1 
        
           local expected_value=${2:-try}

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1656 in f7f78ad

echo "Verifying PostgreSQL huge_pages setting..."

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1658 to 1660 in f7f78ad

    
               local huge_pages=$(run_psql_local \ 
        
                   "SHOW huge_pages;" \ 
        
                   "postgres:$(get_psql_user_pass ${cluster_name}-pguser-postgres)@$(get_psql_user_host ${cluster_name}-pguser-postgres)")

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1662 in f7f78ad

echo "huge_pages: ${huge_pages}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1664 to 1670 in f7f78ad

    
           if [[ "${huge_pages}" == *"${expected_value}"* ]]; then 
        
               echo "PostgreSQL huge_pages is set to '${expected_value}'" 
        
               return 0 
        
           else 
        
               echo "PostgreSQL huge_pages not set to '${expected_value}' (value: ${huge_pages})" 
        
               return 1 
        
           fi

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1674 to 1676 in f7f78ad

    
           local pod_name=$1 
        
           local namespace=$2 
        
           local container=${3:-database}

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1678 in f7f78ad

echo "Checking hugepages usage..."

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1680 to 1681 in f7f78ad

    
           kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \ 
        
               grep HugePages /proc/meminfo

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1683 to 1684 in f7f78ad

    
               local hugepages_total=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \ 
        
                   grep HugePages_Total /proc/meminfo | awk '{print $2}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1686 to 1687 in f7f78ad

    
               local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \ 
        
                   grep HugePages_Free /proc/meminfo | awk '{print $2}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1689 in f7f78ad

local hugepages_used=$((hugepages_total - hugepages_free))

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1691 to 1694 in f7f78ad

    
           echo "" 
        
           echo "HugePages usage:" 
        
           echo "  Total: ${hugepages_total}" 
        
           echo "  Used:  ${hugepages_used}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1696 to 1703 in f7f78ad

    
               if [ "${hugepages_used}" -gt 0 ]; then 
        
                   echo "PostgreSQL is using hugepages" 
        
                   return 0 
        
               else 
        
                   echo "Hugepages available but NOT being used by PostgreSQL" 
        
                   return 1 
        
               fi 
        
           }

egegunes

@nmarukovich could you please apply shfmt suggestions? it's too hard to review right now.

nmarukovich · 2026-02-03T10:10:45Z

@nmarukovich could you please apply shfmt suggestions? it's too hard to review right now.

yes, sure

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

egegunes · 2026-02-03T10:34:57Z

+}
+
+enable_hugepages_eks() {
+	local hugepage_count=$1


this is not used

hors · 2026-02-10T14:16:40Z

+
+	echo "Updating node pool with hugepages configuration..."
+
+	if gcloud container node-pools update ${node_pool} \


I think we need to move it in Jenkins pipeline level

Ye, I thought the same, just did it.

github-actions

Remaining comments which cannot be posted as a review comment to avoid GitHub Rate Limit

shfmt

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1609 to 1610 in a579e0e

    
               local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \ 
        
                   grep HugePages_Free /proc/meminfo | awk '{print $2}')

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Line 1612 in a579e0e

local hugepages_used=$((hugepages_total - hugepages_free))

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1614 to 1617 in a579e0e

    
           echo "" 
        
           echo "HugePages usage:" 
        
           echo "  Total: ${hugepages_total}" 
        
           echo "  Used:  ${hugepages_used}"

[shfmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/e2e-tests/functions

Lines 1619 to 1626 in a579e0e

    
               if [ "${hugepages_used}" -gt 0 ]; then 
        
                   echo "PostgreSQL is using hugepages" 
        
                   return 0 
        
               else 
        
                   echo "Hugepages available but NOT being used by PostgreSQL" 
        
                   return 1 
        
               fi 
        
           }

github-actions · 2026-02-10T16:28:37Z

+}
+
+enable_hugepages_gke() {
+  local hugepage_count=$1


[shfmt] _{reported by reviewdog 🐶}

Suggested change

local hugepage_count=$1

local hugepage_count=$1

github-actions · 2026-02-10T16:28:37Z

+  echo "Hugepages configuration is now handled during cluster creation"
+  echo "Skipping runtime configuration for GKE"


[shfmt] _{reported by reviewdog 🐶}

Suggested change

echo "Hugepages configuration is now handled during cluster creation"

echo "Skipping runtime configuration for GKE"

echo "Hugepages configuration is now handled during cluster creation"

echo "Skipping runtime configuration for GKE"

github-actions · 2026-02-10T16:28:37Z

+  echo "Verifying hugepages configuration..."
+  local node_name=$(kubectl get nodes -o jsonpath='{.items[0].metadata.name}')


[shfmt] _{reported by reviewdog 🐶}

Suggested change

echo "Verifying hugepages configuration..."

local node_name=$(kubectl get nodes -o jsonpath='{.items[0].metadata.name}')

echo "Verifying hugepages configuration..."

local node_name=$(kubectl get nodes -o jsonpath='{.items[0].metadata.name}')

github-actions · 2026-02-10T16:28:37Z

+  if kubectl get node ${node_name} -o jsonpath='{.status.allocatable.hugepages-2Mi}' | grep -q '[0-9]'; then
+    echo "✓ Hugepages are already configured on nodes"
+    return 0
+  else
+    echo "✗ Warning: Hugepages not found in node allocatable resources"
+    return 1
+  fi


[shfmt] _{reported by reviewdog 🐶}

Suggested change

if kubectl get node ${node_name} -o jsonpath='{.status.allocatable.hugepages-2Mi}' | grep -q '[0-9]'; then

echo "✓ Hugepages are already configured on nodes"

return 0

else

echo "✗ Warning: Hugepages not found in node allocatable resources"

return 1

fi

if kubectl get node ${node_name} -o jsonpath='{.status.allocatable.hugepages-2Mi}' | grep -q '[0-9]'; then

echo "✓ Hugepages are already configured on nodes"

return 0

else

echo "✗ Warning: Hugepages not found in node allocatable resources"

return 1

fi

github-actions · 2026-02-10T16:28:37Z

+        path: /etc/sysctl.d/99-hugepages.conf
+EOF
+
+    [ $? -eq 0 ] || return 1


[shfmt] _{reported by reviewdog 🐶}

Suggested change

[ $? -eq 0 ] || return 1

[ $? -eq 0 ] || return 1

github-actions · 2026-02-10T16:28:38Z

+    if [[ "${huge_pages}" == *"${expected_value}"* ]]; then
+        echo "PostgreSQL huge_pages is set to '${expected_value}'"
+        return 0
+    else
+        echo "PostgreSQL huge_pages not set to '${expected_value}' (value: ${huge_pages})"
+        return 1
+    fi


[shfmt] _{reported by reviewdog 🐶}

Suggested change

if [[ "${huge_pages}" == *"${expected_value}"* ]]; then

echo "PostgreSQL huge_pages is set to '${expected_value}'"

return 0

else

echo "PostgreSQL huge_pages not set to '${expected_value}' (value: ${huge_pages})"

return 1

fi

if [[ ${huge_pages} == *"${expected_value}"* ]]; then

echo "PostgreSQL huge_pages is set to '${expected_value}'"

return 0

else

echo "PostgreSQL huge_pages not set to '${expected_value}' (value: ${huge_pages})"

return 1

fi

github-actions · 2026-02-10T16:28:38Z

+    local pod_name=$1
+    local namespace=$2
+    local container=${3:-database}


[shfmt] _{reported by reviewdog 🐶}

Suggested change

local pod_name=$1

local namespace=$2

local container=${3:-database}

local pod_name=$1

local namespace=$2

local container=${3:-database}

github-actions · 2026-02-10T16:28:38Z

+    local namespace=$2
+    local container=${3:-database}
+
+    echo "Checking hugepages usage..."


[shfmt] _{reported by reviewdog 🐶}

Suggested change

echo "Checking hugepages usage..."

echo "Checking hugepages usage..."

github-actions · 2026-02-10T16:28:38Z

+    kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
+        grep HugePages /proc/meminfo


[shfmt] _{reported by reviewdog 🐶}

Suggested change

kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages /proc/meminfo

kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages /proc/meminfo

github-actions · 2026-02-10T16:28:38Z

+    local hugepages_total=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
+        grep HugePages_Total /proc/meminfo | awk '{print $2}')


[shfmt] _{reported by reviewdog 🐶}

Suggested change

local hugepages_total=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages_Total /proc/meminfo | awk '{print $2}')

local hugepages_total=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages_Total /proc/meminfo | awk '{print $2}')

github-actions · 2026-02-11T07:30:05Z

+    local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
+        grep HugePages_Free /proc/meminfo | awk '{print $2}')


[shfmt] _{reported by reviewdog 🐶}

Suggested change

local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages_Free /proc/meminfo | awk '{print $2}')

local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \

grep HugePages_Free /proc/meminfo | awk '{print $2}')

github-actions · 2026-02-11T07:30:05Z

+    local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
+        grep HugePages_Free /proc/meminfo | awk '{print $2}')
+
+    local hugepages_used=$((hugepages_total - hugepages_free))


[shfmt] _{reported by reviewdog 🐶}

Suggested change

local hugepages_used=$((hugepages_total - hugepages_free))

local hugepages_used=$((hugepages_total - hugepages_free))

github-actions · 2026-02-11T07:30:05Z

+    echo ""
+    echo "HugePages usage:"
+    echo "  Total: ${hugepages_total}"
+    echo "  Used:  ${hugepages_used}"


[shfmt] _{reported by reviewdog 🐶}

Suggested change

echo ""

echo "HugePages usage:"

echo " Total: ${hugepages_total}"

echo " Used: ${hugepages_used}"

echo ""

echo "HugePages usage:"

echo " Total: ${hugepages_total}"

echo " Used: ${hugepages_used}"

github-actions · 2026-02-11T07:30:05Z

+    if [ "${hugepages_used}" -gt 0 ]; then
+        echo "PostgreSQL is using hugepages"
+        return 0
+    else
+        echo "Hugepages available but NOT being used by PostgreSQL"
+        return 1
+    fi
 }


[shfmt] _{reported by reviewdog 🐶}

Suggested change

if [ "${hugepages_used}" -gt 0 ]; then

echo "PostgreSQL is using hugepages"

return 0

else

echo "Hugepages available but NOT being used by PostgreSQL"

return 1

fi

}

if [ "${hugepages_used}" -gt 0 ]; then

echo "PostgreSQL is using hugepages"

return 0

else

echo "Hugepages available but NOT being used by PostgreSQL"

return 1

fi

}

hors · 2026-02-11T13:32:06Z

                    --monitoring=NONE \
                    --logging=NONE \
                    --no-enable-managed-prometheus \
+                    --system-config-from-file=${WORKSPACE}/hugepages-config-${CLUSTER_SUFFIX}.yaml \


@nmarukovich please make sure that this will be added for all needed jobs

you mean in jenkins? Percona-Lab/jenkins-pipelines#3785 we already have PR

JNKPercona · 2026-02-11T20:41:16Z

Test Name	Result	Time
backup-enable-disable	passed	00:00:00
builtin-extensions	passed	00:00:00
custom-envs	passed	00:00:00
custom-extensions	passed	00:00:00
custom-tls	passed	00:00:00
database-init-sql	passed	00:00:00
demand-backup	passed	00:00:00
finalizers	passed	00:00:00
init-deploy	passed	00:00:00
huge-pages	passed	00:00:00
monitoring	passed	00:00:00
monitoring-pmm3	passed	00:00:00
one-pod	passed	00:00:00
operator-self-healing	passed	00:08:57
pitr	passed	00:00:00
scaling	passed	00:00:00
scheduled-backup	passed	00:00:00
self-healing	passed	00:00:00
sidecars	passed	00:00:00
standby-pgbackrest	passed	00:00:00
standby-streaming	passed	00:00:00
start-from-backup	passed	00:00:00
tablespaces	passed	00:00:00
telemetry-transfer	passed	00:00:00
upgrade-consistency	passed	00:00:00
upgrade-minor	passed	00:00:00
users	passed	00:00:00

Summary	Value
Tests Run	27/27
Job Duration	00:24:32
Total Test Time	00:08:57

commit: 72f165f
image: perconalab/percona-postgresql-operator:PR-1424-72f165fa6

mayankshah1607

LGTM, but please check the formatting

K8SPG-740 add test for huge pages

f7f78ad

nmarukovich requested review from egegunes, eleo007, gkech, jvpasinatto, mayankshah1607, oksana-grishchenko, pooknull and valmiranogueira as code owners February 2, 2026 13:17

github-actions Bot reviewed Feb 2, 2026

View reviewed changes

nmarukovich changed the title ~~K8SPG-740 add test for huge pages~~ K8SPG-834 add test for huge pages Feb 2, 2026

egegunes requested changes Feb 3, 2026

View reviewed changes

Apply suggestions from code review

1906cad

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

github-actions Bot reviewed Feb 3, 2026

View reviewed changes

Comment thread e2e-tests/functions

egegunes requested changes Feb 3, 2026

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nmarukovich added 2 commits February 3, 2026 15:37

add test run

8eae6f3

fix PR comments

d7cbbb1

nmarukovich requested a review from egegunes February 4, 2026 19:53

Merge branch 'main' into K8SPG-834_add_hp_test

3318f26

egegunes previously approved these changes Feb 5, 2026

View reviewed changes

hors requested changes Feb 10, 2026

View reviewed changes

nmarukovich and others added 2 commits February 10, 2026 17:13

Merge branch 'main' into K8SPG-834_add_hp_test

debcf07

fix gke cluster test

a579e0e

nmarukovich dismissed egegunes’s stale review via a579e0e February 10, 2026 16:28

github-actions Bot reviewed Feb 10, 2026

View reviewed changes

fix

3217e96

github-actions Bot reviewed Feb 11, 2026

View reviewed changes

nmarukovich requested a review from hors February 11, 2026 08:01

fix

f945921

nmarukovich added 2 commits February 11, 2026 10:05

fix

140bdc5

fix

4d4f0ef

nmarukovich requested a review from egegunes February 11, 2026 11:22

hors previously approved these changes Feb 11, 2026

View reviewed changes

delete debug info

72f165f

nmarukovich dismissed hors’s stale review via 72f165f February 11, 2026 14:26

hors approved these changes Feb 11, 2026

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mayankshah1607 approved these changes Feb 12, 2026

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egegunes approved these changes Feb 12, 2026

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nmarukovich merged commit 5eed221 into main Feb 12, 2026
16 checks passed

nmarukovich deleted the K8SPG-834_add_hp_test branch February 12, 2026 10:07

	echo "MachineConfig created"
	echo "Waiting for worker pool to update (~10 minutes)..."

	kubectl wait --for=condition=Updated mcp/worker --timeout=900s 2>/dev/null \|\| {
	echo "Update taking longer than expected"
	return 1
	}

	# Get first worker node, fallback to first non-master, fallback to any node
	local node_name=$(
	kubectl get nodes -l node-role.kubernetes.io/worker -o jsonpath='{.items[0].metadata.name}' 2>/dev/null \|\| \
	kubectl get nodes -l '!node-role.kubernetes.io/master,!node-role.kubernetes.io/control-plane' -o jsonpath='{.items[0].metadata.name}' 2>/dev/null \|\| \
	kubectl get nodes -o jsonpath='{.items[0].metadata.name}'
	)

	if [ -z "${node_name}" ]; then
	echo "No nodes found"
	return 1
	fi

	local hugepages_capacity=$(kubectl get node ${node_name} \
	-o jsonpath='{.status.capacity.hugepages-2Mi}')

	if [ -n "${hugepages_capacity}" ] && [ "${hugepages_capacity}" != "0" ]; then
	echo "Node has hugepages capacity: ${hugepages_capacity}"
	return 0
	else
	echo "No hugepages capacity found on node ${node_name}"
	return 1
	fi

	local pod_name=$1
	local namespace=$2
	local container=${3:-postgres}

	# Check /proc/meminfo
	local hugepages_total=$(kubectl exec ${pod_name} -n ${namespace} -c ${container} -- \
	grep HugePages_Total /proc/meminfo \| awk '{print $2}')

	local hugepages_free=$(kubectl exec ${pod_name} -n ${namespace} -c ${container} -- \
	grep HugePages_Free /proc/meminfo \| awk '{print $2}')

	echo "HugePages_Total: ${hugepages_total}"
	echo "HugePages_Free: ${hugepages_free}"

	if [ "${hugepages_total}" -gt 0 ]; then
	echo "Hugepages are available in pod"
	return 0
	else
	echo "No hugepages in pod"
	return 1
	fi

	local huge_pages=$(run_psql_local \
	"SHOW huge_pages;" \
	"postgres:$(get_psql_user_pass ${cluster_name}-pguser-postgres)@$(get_psql_user_host ${cluster_name}-pguser-postgres)")

	if [[ "${huge_pages}" == "${expected_value}" ]]; then
	echo "PostgreSQL huge_pages is set to '${expected_value}'"
	return 0
	else
	echo "PostgreSQL huge_pages not set to '${expected_value}' (value: ${huge_pages})"
	return 1
	fi

	local pod_name=$1
	local namespace=$2
	local container=${3:-database}

	kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
	grep HugePages /proc/meminfo

	local hugepages_total=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
	grep HugePages_Total /proc/meminfo \| awk '{print $2}')

	local hugepages_free=$(kubectl -n ${namespace} exec ${pod_name} -c ${container} -- \
	grep HugePages_Free /proc/meminfo \| awk '{print $2}')

	echo ""
	echo "HugePages usage:"
	echo " Total: ${hugepages_total}"
	echo " Used: ${hugepages_used}"

	if [ "${hugepages_used}" -gt 0 ]; then
	echo "PostgreSQL is using hugepages"
	return 0
	else
	echo "Hugepages available but NOT being used by PostgreSQL"
	return 1
	fi
	}


		echo "Updating node pool with hugepages configuration..."

		if gcloud container node-pools update ${node_pool} \

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nmarukovich commented Feb 2, 2026 •

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		echo "Hugepages configuration is now handled during cluster creation"
		echo "Skipping runtime configuration for GKE"

		echo "Verifying hugepages configuration..."
		local node_name=$(kubectl get nodes -o jsonpath='{.items[0].metadata.name}')