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ClickHouseUsability issues

Software Engineer finds ClickHouse deduplication strategy to be a 'blackbox'

Read at g2.com

What happened

A Software Engineer at a small business (50 or fewer employees) reports issues with ClickHouse's deduplication strategy. The reviewer describes the tracking of dedups as a "blackbox", indicating a lack of transparency and potential difficulty in understanding or managing this feature. While the product handles large data volumes and offers fast data fetch speeds, the deduplication aspect is a significant pain point for this user.

Source

From the reviews

  • 5 of 5
    “Deduplication strategy and the blackbox tracking of dedups”

    Ragul J., Software EngineerApr 20, 2026View

Extracted by Autobound

From the Signal API record
Signal
Usability issues

What this signalsReview themes often show where customers may look for an alternative.

Product
ClickHouse
Star rating
5 of 5
Reviewer
Ragul J.
Reviewer details
Software Engineer

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The full record

From the Signal API record

Extraction

Detected
May 12, 2026
signal_type
product-reviews
signal_subtype
UsabilityIssues

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The API returns more than this page shows

This page shows a preview. The full product-reviews record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

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

GET /v1/signals/265090ae-67e2-48e4-8d39-68bb74156f70 returns this record as JSON. POST /v1/companies/enrich returns every signal for clickhouse.com.

{
  "signal_id": "265090ae-67e2-48e4-8d39-68bb74156f70",
  "signal_type": "product-reviews",
  "signal_subtype": "UsabilityIssues",
  "detected_at": "2026-05-12T10:18:20.433+00:00",
  "company": {
    "name": "ClickHouse",
    "domain": "clickhouse.com"
  },
  "data": {
    "summary": "A Software Engineer at a small business (50 or fewer employees) reports issues with ClickHouse's deduplication strategy. The reviewer describes the tracking of dedups as a \"blackbox\", indicating a lack of transparency and potential difficulty in understanding or managing this feature. While the product handles large data volumes and offers fast data fetch speeds, the deduplication aspect is a significant pain point for this user.",
    "evidence": [
      {
        "quote": "Deduplication strategy and the blackbox tracking of dedups",
        "review_url": "https://www.g2.com/products/clickhouse/reviews#review-8884001",
        "review_date": "2026-04-20",
        "star_rating": 5,
        "reviewer_name": "Ragul J.",
        "reviewer_title": "Software Engineer"
      }
    ],
    "headline": "Software Engineer finds ClickHouse deduplication strategy to be a 'blackbox'",
    "relevance": 60,
    "product_name": "ClickHouse",
    "source_page_url": "https://www.g2.com/products/clickhouse/reviews/reviews",
    "switching_intent": {
      "urgency": "none",
      "detected": false
    },
    "quantified_impact": {
      "has_numbers": false
    },
    "decision_maker_complaint": {
      "title": "Software Engineer",
      "is_decision_maker": false
    }
  }
}

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