CockroachDB
Overview
This guide demonstrates the process of integrating Coralogix with a self-managed CockroachDB instance from Cockroach Labs. Initially, we will set up a CockroachDB instance on an EC2 instance, following the outlined steps below.
CockroachDB Instance Setup
STEP 1. Bring up an Ubuntu EC2 instance. This example uses a t2.xlarge instance. Run the DB instance on your EC2 instance by following steps these steps.
STEP 2. Start the CockroachDB instance as a single node cluster using the command listed here.
STEP 3. Start a Prometheus server on that same machine following these instructions.
STEP 4. Create a configuration file.
The example config file below includes a scrape_config section to scrape the data from the CockroachDB and a remote_write section that sends the data to Coralogix.
# my global config
global:
scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
# scrape_timeout is set to the global default (10s).
# Alertmanager configuration
alerting:
alertmanagers:
- static_configs:
- targets:
# - alertmanager:9093
# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
# - "first_rules.yml"
# - "second_rules.yml"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
- job_name: 'cockroachdb'
metrics_path: '/_status/vars'
# Insecure mode:
scheme: 'http'
# Secure mode:
# scheme: 'https'
tls_config:
insecure_skip_verify: true
static_configs:
- targets: ['localhost:8080']
labels:
cluster: 'my-cockroachdb-cluster'
remote_write:
- url: https://ingress.coralogix.us/prometheus/v1
name: 'cockroachlabs'
remote_timeout: 120s
bearer_token: 'MY_CX_API_KEY'
Monitoring CockroachDB Performance Metrics
Once you start the Prometheus server, it will push the CockroachDB performance metrics into Coralogix, which you can view in Custom Dashboards or your Grafana-hosted dashboard.
Custom Dashboards
Here is a screenshot of CockreachDB performance metrics in a Coralogix custom dashboard.
The following are the dashboard artifacts:
{
"id": "0a1Tqgj3vl8LsGBzDwmn0",
"name": "CockroachDB Performance",
"description": "Displays the performance of cockoach DB",
"layout": {
"sections": [
{
"id": {
"value": "9c1aa22d-3c7b-eb45-c636-864e09f5fe1a"
},
"rows": [
{
"id": {
"value": "8e02b618-fe69-90ab-45b6-11c1f8a20576"
},
"appearance": {
"height": 24
},
"widgets": [
{
"id": {
"value": "d856f898-bda6-57bb-d9a3-2e9f683c8787"
},
"title": "New Markdown",
"definition": {
"markdown": {
"markdownText": "# "
}
},
"appearance": {
"width": 0
}
},
{
"id": {
"value": "f9060fb8-bf1f-09a0-05b3-211cf73869ee"
},
"title": "Live Node Count",
"definition": {
"gauge": {
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(liveness_livenodes{cluster=~\"{{ cluster }}\"})"
},
"aggregation": "AGGREGATION_UNSPECIFIED",
"filters": []
}
},
"min": 0,
"max": 100,
"showInnerArc": true,
"showOuterArc": true,
"unit": "UNIT_NUMBER",
"thresholds": [
{
"from": 0,
"color": "var(--c-severity-log-verbose)"
},
{
"from": 33,
"color": "var(--c-severity-log-warning)"
},
{
"from": 66,
"color": "var(--c-severity-log-error)"
}
],
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED",
"thresholdBy": "THRESHOLD_BY_UNSPECIFIED"
}
},
"appearance": {
"width": 0
}
},
{
"id": {
"value": "c3d96ad2-eb5c-be56-af9b-36460c5a8fbb"
},
"title": "Go Routine Count",
"definition": {
"gauge": {
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_goroutines{cluster=~\"{{ cluster }}\"})"
},
"aggregation": "AGGREGATION_UNSPECIFIED",
"filters": []
}
},
"min": 0,
"max": 1000,
"showInnerArc": true,
"showOuterArc": true,
"unit": "UNIT_NUMBER",
"thresholds": [
{
"from": 0,
"color": "var(--c-severity-log-verbose)"
},
{
"from": 33,
"color": "var(--c-severity-log-warning)"
},
{
"from": 66,
"color": "var(--c-severity-log-error)"
}
],
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED",
"thresholdBy": "THRESHOLD_BY_UNSPECIFIED"
}
},
"appearance": {
"width": 0
}
},
{
"id": {
"value": "e45cec9e-c0a9-6a32-8cb7-1429791b9980"
},
"title": "SQL Memory (MB)",
"definition": {
"gauge": {
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sql_mem_root_current{cluster=~\"{{ cluster }}\"})"
},
"aggregation": "AGGREGATION_UNSPECIFIED",
"filters": []
}
},
"min": 0,
"max": 10000000,
"showInnerArc": true,
"showOuterArc": true,
"unit": "UNIT_NUMBER",
"thresholds": [
{
"from": 0,
"color": "var(--c-severity-log-verbose)"
},
{
"from": 33,
"color": "var(--c-severity-log-warning)"
},
{
"from": 66,
"color": "var(--c-severity-log-error)"
}
],
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED",
"thresholdBy": "THRESHOLD_BY_UNSPECIFIED"
}
},
"appearance": {
"width": 0
}
},
{
"id": {
"value": "b1dfd3a8-ee84-a28a-5707-3226c87c61e2"
},
"title": "Replicas per store",
"definition": {
"gauge": {
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(replicas{cluster=~\"{{ cluster }}\"})"
},
"aggregation": "AGGREGATION_UNSPECIFIED",
"filters": []
}
},
"min": 0,
"max": 1000,
"showInnerArc": true,
"showOuterArc": true,
"unit": "UNIT_NUMBER",
"thresholds": [
{
"from": 0,
"color": "var(--c-severity-log-verbose)"
},
{
"from": 33,
"color": "var(--c-severity-log-warning)"
},
{
"from": 66,
"color": "var(--c-severity-log-error)"
}
],
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED",
"thresholdBy": "THRESHOLD_BY_UNSPECIFIED"
}
},
"appearance": {
"width": 0
}
}
]
},
{
"id": {
"value": "d1e9dd53-1589-0c95-2db8-68a8c9e440ab"
},
"appearance": {
"height": 19
},
"widgets": [
{
"id": {
"value": "0f3cc7cd-cb6b-d306-557d-c19798aa61ec"
},
"title": "Memory Usage",
"definition": {
"lineChart": {
"legend": {
"isVisible": true,
"columns": [],
"groupByQuery": false
},
"tooltip": {
"showLabels": false,
"type": "TOOLTIP_TYPE_ALL"
},
"queryDefinitions": [
{
"id": "f1413d5b-0e93-0a13-607a-54ca9d33864d",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_rss{cluster=~\"{{ cluster }}\"})"
},
"filters": []
}
},
"seriesNameTemplate": "sys_rss",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"name": "Query 1",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
},
{
"id": "51323169-44a2-810d-9d12-4df2a4d22135",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_cgo_allocbytes{cluster=~\"{{ cluster }}\"})"
},
"filters": []
}
},
"seriesNameTemplate": "sys_cgo_allocbytes",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
},
{
"id": "d3fafaac-a0e8-9a1d-76a8-d3578ba1434c",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_go_allocbytes{cluster=~\"{{ cluster }}\"})"
},
"filters": []
}
},
"seriesNameTemplate": "sys_go_allocbytes",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
},
{
"id": "be8a5da2-5aba-1321-ff02-5bb814f3dc71",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_cgo_totalbytes{cluster=~\"{{ cluster }}\"})"
},
"filters": []
}
},
"seriesNameTemplate": "sys_cgo_totalbytes",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
}
]
}
},
"appearance": {
"width": 0
}
},
{
"id": {
"value": "0a7c51b9-b4cb-7987-256a-b55f799151a2"
},
"title": "Runnable Goroutines per CPU",
"definition": {
"lineChart": {
"legend": {
"isVisible": true,
"columns": [],
"groupByQuery": true
},
"tooltip": {
"showLabels": false,
"type": "TOOLTIP_TYPE_ALL"
},
"queryDefinitions": [
{
"id": "1108b91b-e9c8-839f-20e4-6a92a34b7011",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(sys_runnable_goroutines_per_cpu{cluster=~\"{{ cluster }}\"})"
},
"filters": []
}
},
"seriesNameTemplate": "goroutines",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"name": "Query 1",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
}
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},
{
"id": {
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},
"appearance": {
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},
"widgets": [
{
"id": {
"value": "3771ada3-7b0b-8d6d-d900-d9a8d75dca47"
},
"title": "CPU Time",
"definition": {
"lineChart": {
"legend": {
"isVisible": true,
"columns": [],
"groupByQuery": false
},
"tooltip": {
"showLabels": false,
"type": "TOOLTIP_TYPE_ALL"
},
"queryDefinitions": [
{
"id": "108f4c9f-3267-a71c-a114-05f4a9860673",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(rate(sys_cpu_user_ns{cluster=~\"{{ cluster }}\"}))"
},
"filters": []
}
},
"seriesNameTemplate": "sys_cpu_user_ns",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"name": "Query 1",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
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},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
},
{
"id": "477a447e-5e72-3303-0d34-e206bb2cee56",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(rate(sys_cpu_sys_ns{cluster=~\"{{ cluster }}\"}))"
},
"filters": []
}
},
"seriesNameTemplate": "sys_cpu_sys_ns",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
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},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
}
]
}
},
"appearance": {
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}
},
{
"id": {
"value": "ffcb3fe1-1c34-5561-273e-8ff73c41db87"
},
"title": "GC Pause Time",
"definition": {
"lineChart": {
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"isVisible": true,
"columns": [],
"groupByQuery": true
},
"tooltip": {
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"type": "TOOLTIP_TYPE_ALL"
},
"queryDefinitions": [
{
"id": "737e908f-6eb4-1de3-5d10-1d831feaf777",
"query": {
"metrics": {
"promqlQuery": {
"value": "sum(rate(sys_gc_pause_ns{cluster=~\"{{ cluster }}\"}))"
},
"filters": []
}
},
"seriesNameTemplate": "sys_gc_pause_ns",
"seriesCountLimit": "20",
"unit": "UNIT_UNSPECIFIED",
"scaleType": "SCALE_TYPE_LINEAR",
"name": "Query 1",
"isVisible": true,
"colorScheme": "cold",
"resolution": {
"bucketsPresented": 96
},
"dataModeType": "DATA_MODE_TYPE_HIGH_UNSPECIFIED"
}
]
}
},
"appearance": {
"width": 0
}
}
]
}
]
}
]
},
"variables": [
{
"name": "cluster",
"definition": {
"multiSelect": {
"selected": [],
"source": {
"metricLabel": {
"metricName": "sys_uptime",
"label": "cluster"
}
},
"selection": {
"all": {}
},
"valuesOrderDirection": "ORDER_DIRECTION_ASC"
}
},
"displayName": "Cluster"
}
],
"filters": [
{
"source": {
"logs": {
"operator": {
"equals": {
"selection": {
"list": {
"values": []
}
}
}
},
"observationField": {
"keypath": [
"applicationname"
],
"scope": "DATASET_SCOPE_LABEL"
}
}
},
"enabled": true,
"collapsed": false
},
{
"source": {
"logs": {
"operator": {
"equals": {
"selection": {
"list": {
"values": []
}
}
}
},
"observationField": {
"keypath": [
"subsystemname"
],
"scope": "DATASET_SCOPE_LABEL"
}
}
},
"enabled": true,
"collapsed": false
}
],
"relativeTimeFrame": "86400s",
"annotations": []
}
Grafana Dashboard
Here are screenshots of CockroachDB performance metrics in your Grafana-hosted dashboard. Others can be found here.
The following are the dashboard artifacts:
Support
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