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A user of Confluent Cloud is actively researching solutions for monitoring Kafka consumer lag, seeking a middle ground between complex open-source setups and expensive commercial tools.

What happened

Post: "How do you all catch a stuck consumer or growing lag before it blows up in prod?"

Source

RedditSep 11, 2026By u/FramePrevious5919

r/apachekafka

How do you all catch a stuck consumer or growing lag before it blows up in prod?

upvotes
1
comments
10

Post

Highlighted: the lines this signal was extracted from

Been thinking about this a lot lately ... on Confluent Cloud specifically, what do you actually use to know when a consumer group is falling behind or straight up stuck? Feels like right now it's either roll your own Grafana/Prometheus/Burrow setup, or pay a ton for Datadog/Conduktor. Anyone found a middle ground that doesn't eat half a day to set up? What do you use today and what annoys you about it?

reddit.com/r/apachekafka/comments/1wdtcbs/how_do_you_all_catch_a_stuc...Read the full source

Comments on the post

4 of 10 comments
  • “The metrics API should give you consumer lag in a time series format, that comes for free with Conluent Cloud and that should plug in to Grafana pretty easily. Its not realtime tho for that you will need the Admin API I believe. AKHQ is also a good lightweight option its just a snapshot format and there's not built in alerting. So like when I did this stuff we had a prometheus, grafana, then u”

    u/OSS_Dattani2 points · Sep 11, 2026View

  • “Why is half a day's setup a problem when it might save you a whole weekend of pain?”

    u/thisisjustascreename2 points · Sep 11, 2026View

  • “Confluent Cloud exposes consumer_lag_offsets through the Metrics API, and there's an /export endpoint that returns the most recent data point per metric in OpenMetrics/Prometheus format, scrapeable directly by Prometheus. AxonOps can consume Confluent Cloud metrics and add alerting so if lag does increase then you'll be told about it.”

    u/Legitimate_Bet_66822 points · Sep 14, 2026View

  • “Fair ask. On Confluent Cloud the Metrics API + Grafana path others mentioned is the free baseline, but it has two gaps for the exact thing you’re asking about: it drops lag for inactive groups, and raw offset lag still can’t tell “busy but catching up” from “wedged with a frozen commit.” I maintain Klag (https://klag.dev) - Apache 2.0 lag exporter, Helm install, scrapes into Prometheus / Datadog”

    u/themoah1 points · Sep 15, 2026View

Extracted by Autobound

From the Signal API record
Signal
Buying intent

What this signalsUser posts often show product pain before it reaches reviews or churn.

Subreddit
r/apachekafka
Stage
Researching

Companies

  • DatadogAlso named
  • ConduktorAlso named
  • GrafanaAlso named
  • PrometheusAlso named
  • AxonOpsAlso named
  • KlagAlso named

The full record

From the Signal API record

Numbers

Mentions
1

Details

Timing
In progress
Category
Kafka Monitoring
Virality
Low
Post kind
Text
Prominence
Core
Company's role
Vendor

Topics and mentions

Topics

  • observability
  • monitoring
  • vendor evaluation
  • kafka

Flair

  • Question

Products named

  • Confluent Cloud

Extraction

Sentiment
Neutral
Detected
Sep 11, 2026
signal_type
reddit-company
signal_subtype
buyingIntent

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Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/bde3cbf7-7d4c-5b3c-adfb-867e67ecfe7e returns this record as JSON. POST /v1/companies/enrich returns every signal for confluent.io.

{
  "signal_id": "bde3cbf7-7d4c-5b3c-adfb-867e67ecfe7e",
  "signal_type": "reddit-company",
  "signal_subtype": "buyingIntent",
  "detected_at": "2026-09-11T21:27:36+00:00",
  "company": {
    "name": "Confluent",
    "domain": "confluent.io"
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  "data": {
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    "stage": "researching",
    "awards": 0,
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    "topics": [
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    "post_id": "1wdtcbs",
    "summary": "A user of Confluent Cloud is actively researching solutions for monitoring Kafka consumer lag, seeking a middle ground between complex open-source setups and expensive commercial tools.",
    "category": "Kafka Monitoring",
    "comments": [
      {
        "url": "https://www.reddit.com/r/apachekafka/comments/1wdtcbs/comment/p98mdjh/",
        "depth": 0,
        "score": 2,
        "author": "OSS_Dattani",
        "excerpt": "The metrics API should give you consumer lag in a time series format, that comes for free with Conluent Cloud and that should plug in to Grafana pretty easily. Its not realtime tho for that you will need the Admin API I believe.\n\n AKHQ is also a good lightweight option its just a snapshot format and there's not built in alerting.\n\n So like when I did this stuff we had a prometheus, grafana, then u",
        "posted_at": "2026-09-11T21:43:20.000Z",
        "author_url": "https://www.reddit.com/user/OSS_Dattani/"
      },
      {
        "url": "https://www.reddit.com/r/apachekafka/comments/1wdtcbs/comment/p98pc11/",
        "depth": 0,
        "score": 2,
        "author": "thisisjustascreename",
        "excerpt": "Why is half a day's setup a problem when it might save you a whole weekend of pain?",
        "posted_at": "2026-09-11T21:58:04.000Z",
        "author_url": "https://www.reddit.com/user/thisisjustascreename/"
      },
      {
        "url": "https://www.reddit.com/r/apachekafka/comments/1wdtcbs/comment/p9prniq/",
        "depth": 0,
        "score": 2,
        "author": "Legitimate_Bet_6682",
        "excerpt": "Confluent Cloud exposes consumer_lag_offsets through the Metrics API, and there's an /export endpoint that returns the most recent data point per metric in OpenMetrics/Prometheus format, scrapeable directly by Prometheus. AxonOps can consume Confluent Cloud metrics and add alerting so if lag does increase then you'll be told about it.",
        "posted_at": "2026-09-14T08:34:38.000Z",
        "author_url": "https://www.reddit.com/user/Legitimate_Bet_6682/"
      },
      {
        "url": "https://www.reddit.com/r/apachekafka/comments/1wdtcbs/comment/p9x485q/",
        "depth": 0,
        "score": 1,
        "author": "themoah",
        "excerpt": "Fair ask. On Confluent Cloud the Metrics API + Grafana path others mentioned is the free baseline, but it has two gaps for the exact thing you’re asking about: it drops lag for inactive groups, and raw offset lag still can’t tell “busy but catching up” from “wedged with a frozen commit.”\n\n I maintain Klag (https://klag.dev) - Apache 2.0 lag exporter, Helm install, scrapes into Prometheus / Datadog",
        "posted_at": "2026-09-15T08:30:44.000Z",
        "author_url": "https://www.reddit.com/user/themoah/"
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    "evidence": [
      "[post] on Confluent Cloud specifically, what do you actually use to know when a consumer group is falling behind or straight up stuck?",
      "[post] Anyone found a middle ground that doesn't eat half a day to set up?",
      "[post] What do you use today and what annoys you about it?"
    ],
    "virality": "low",
    "post_date": "2026-09-11T21:27:36.000Z",
    "post_kind": "text",
    "post_text": "Been thinking about this a lot lately ... on Confluent Cloud specifically, what do you actually use to know when a consumer group is falling behind or straight up stuck? Feels like right now it's either roll your own Grafana/Prometheus/Burrow setup, or pay a ton for Datadog/Conduktor. Anyone found a middle ground that doesn't eat half a day to set up? What do you use today and what annoys you about it?",
    "sentiment": "neutral",
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    "post_flair": [
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    "post_title": "How do you all catch a stuck consumer or growing lag before it blows up in prod?",
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    "source_url": "https://www.reddit.com/r/apachekafka/comments/1wdtcbs/how_do_you_all_catch_a_stuck_consumer_or_growing/",
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    "post_author": "FramePrevious5919",
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    "subreddit_url": "https://www.reddit.com/r/apachekafka/",
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    "other_companies": [
      {
        "name": "Datadog",
        "role": "alternative"
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      {
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}

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