Skip to content

[+] add stat_statements_jit metric #1054

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 9 commits into
base: master
Choose a base branch
from
+399 −16
Open

[+] add stat_statements_jit metric #1054

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
aecbf52
Add `stat_statements_jit` metric.
0xgouda Nov 28, 2025
a554bec
Add `JIT %` panel to `Health Check` dashboard.
0xgouda Nov 28, 2025
9174468
Add `Top n by JIT %` panel to `Global Health` dashboard.
0xgouda Nov 28, 2025
d5892eb
Add `Auto` option to `$online_interval` variable.
0xgouda Nov 28, 2025
4638a28
Revert removing the label of `$online_interval`
0xgouda Nov 28, 2025
5e66cf0
Update JIT Panel to order by biggest value.
0xgouda Dec 1, 2025
7488cd8
require pg 15 at least for `stat_statements_jit` metric.
0xgouda Dec 1, 2025
041510b
Adjust num of decimals and threshold in JIT panel.
0xgouda Dec 1, 2025
3800c5e
Use table view instead of time series for JIT panel in `0-health-check`.
0xgouda Dec 1, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
200 changes: 186 additions & 14 deletions grafana/postgres/v12/0-health-check.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
"editable": true,
"fiscalYearStartMonth": 0,
"graphTooltip": 0,
"id": 1,
"id": 21,
"links": [],
"panels": [
{
Expand Down Expand Up @@ -4979,6 +4979,152 @@
"title": "Max. XMIN horizon age",
"type": "stat"
},
{
"datasource": {
"type": "grafana-postgresql-datasource",
"uid": "pgwatch-metrics"
},
"description": "Percentage of total query execution time spent in JIT. (requires stat_statements_jit metric)",
"fieldConfig": {
"defaults": {
"decimals": 2,
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"max": 100,
"min": 0,
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "#299c46",
"value": 0
},
{
"color": "orange",
"value": 1
},
{
"color": "red",
"value": 25
}
]
},
"unit": "percent"
},
"overrides": []
},
"gridPos": {
"h": 2,
"w": 6,
"x": 6,
"y": 18
},
"id": 50,
"maxDataPoints": 100,
"options": {
"colorMode": "background",
"graphMode": "none",
"justifyMode": "auto",
"orientation": "horizontal",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "/^pct$/",
"limit": 1,
"values": false
},
"showPercentChange": false,
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.1.0",
"targets": [
{
"datasource": {
"type": "grafana-postgresql-datasource",
"uid": "pgwatch-metrics"
},
"editorMode": "code",
"format": "table",
"group": [],
"groupBy": [
{
"params": [
"365d"
],
"type": "time"
},
{
"params": [
"none"
],
"type": "fill"
}
],
"measurement": "stat_statements_jit",
"metricColumn": "none",
"orderByTime": "ASC",
"policy": "default",
"rawQuery": true,
"rawSql": "select\n (sum(total_jit - total_jit_lag) / sum(total_time - total_time_lag)) * 100 as pct\nfrom\n(\n select\n time,\n (data->>'total_jit_time')::float8 as total_jit, lag((data->>'total_jit_time')::float8) over w as total_jit_lag,\n (data->>'total_time')::float8 as total_time, lag((data->>'total_time')::float8) over w as total_time_lag\n from\n stat_statements_jit\n where \n dbname = '$dbname' and $__timeFilter(time)\n window w as (order by time)\n)\nwhere total_time > total_time_lag",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [],
"type": "last"
}
]
],
"sql": {
"columns": [
{
"parameters": [],
"type": "function"
}
],
"groupBy": [
{
"property": {
"type": "string"
},
"type": "groupBy"
}
],
"limit": 50
},
"tags": [
{
"key": "dbname",
"operator": "=~",
"value": "/^$dbname$/"
}
],
"timeColumn": "time",
"where": [
{
"name": "$__timeFilter",
"params": [],
"type": "macro"
}
]
}
],
"title": "JIT %",
"type": "stat"
},
{
"fieldConfig": {
"defaults": {},
Expand Down Expand Up @@ -5011,8 +5157,8 @@
"overrides": []
},
"gridPos": {
"h": 5,
"w": 13,
"h": 7,
"w": 12,
"x": 0,
"y": 20
},
Expand Down Expand Up @@ -5063,9 +5209,10 @@
"auto_count": 30,
"auto_min": "10s",
"current": {
"text": "10m",
"value": "10m"
"text": "30m",
"value": "30m"
},
"hide": 3,
"label": "Max. age for 'online' metrics",
"name": "online_interval",
"options": [
Expand All @@ -5076,23 +5223,48 @@
},
{
"selected": false,
"text": "3m",
"value": "3m"
"text": "10m",
"value": "10m"
},
{
"selected": false,
"text": "5m",
"value": "5m"
"text": "30m",
"value": "30m"
},
{
"selected": true,
"text": "10m",
"value": "10m"
"selected": false,
"text": "1h",
"value": "1h"
},
{
"selected": false,
"text": "6h",
"value": "6h"
},
{
"selected": false,
"text": "12h",
"value": "12h"
},
{
"selected": false,
"text": "1d",
"value": "1d"
},
{
"selected": false,
"text": "7d",
"value": "7d"
},
{
"selected": false,
"text": "14d",
"value": "14d"
},
{
"selected": false,
"text": "15m",
"value": "15m"
"text": "30d",
"value": "30d"
}
],
"query": "1m,3m,5m,10m,15m",
Expand Down
Loading
Loading