ClickHouse
ClickHouse is an open-source column-oriented database management system designed for real-time analytical query processing at scale.
About this data
Updated August 3, 2026
Overall Pulse Score
+2 over this period
A 0-100 index summarizing the tone of 1,003 relevant public mentions gathered from public online communities across 20 weeks in the selected period. It measures online sentiment, not a rating of the product's quality.
Weekly Sentiment Trend
Pulse Score by week over the selected period. Each point is one complete week of mentions.
This week in public discussion
Community discussion around ClickHouse over the recent period was heavily dominated by complaints, with bugs and reliability concerns accounting for the bulk of mentions across 592 total posts. Several commenters flagged specific issues including missing package releases and credential exposure risks. On the positive side, some discussions praised ClickHouse integrations and its use as a data lake component in side projects and open source tooling, with a handful of mentions highlighting new monitoring and alerting feature work tied to recent versions.
Read the deeper analysisAI-generated summary of public online discussion during this period. It reflects the tone of that discussion, not facts about the product or our views.
Sentiment mix by week
How the tone of public discussion splits each week.
Ringed points mark weeks with unusually high discussion volume, more than double this product's typical week.
Most-discussed praise
Most-discussed complaints
Themes across the selected period, with mention counts.
How ClickHouse compares
Pulse Score over the selected period versus the top tracked competitors in Software.
Where the mentions come from
Share of the 1,003 relevant public mentions in the selected period, by source.
Sample public mentions
Showing 5 of 1,003 analyzed public mentions in this period, with links to the original source. We do not reproduce full threads.
“Credentials can be viewed by anyone with macro. **Is your feature request related to a problem? Please describe.** I poked around and found out that credentials can be easily viewed with macro This method appeared in commit https://github.com/ClickHouse/dbt-clickhouse/commit/24af...”
“Support header-based auth (X-ClickHouse-* or Basic) and avoid credentials in URL params. Hi! First of all, thank you for maintaining this gem. I'd like to propose support for header-based authentication when using the ClickHouse HTTP interface, so credentials don't need to be sen...”
“[RFC] Improvement of EXPLAIN PLAN and addition of EXPLAIN ANALYZE. ### Company or project name ClickHouse Use case Clean EXPLAIN Users and developers need to use EXPLAIN [PLAN] actions=1 to inspect query plan. This option outputs all the information about steps in the query plan....”
“Kafka Engine: _key and _headers not properly handled when producing messages (v25.8.11.66). ### Describe the unexpected behaviour When using the Kafka table engine to **produce** messages, the _key and _headers.* virtual/metadata columns are not handled correctly: 1. **_key** is ...”
“Hi HN! This is Arseniy from Superlog (YC P26). Today we announce that we’re releasing our code under the Apache 2.0 license.You might have seen our launch (https://news.ycombinator.com/item?id=48195021) earlier. For those that haven’t, we’re building a simpler, cleaner version of...”
6,775+ more analyzed mentions, full history, and theme breakdowns are part of Pro.
Get ProDeeper analysis
- Bug and reliability complaints dominated the conversation by a large margin, setting a frustrated overall tone.
- Sentiment declined sharply in early to mid-June as mention volume surged, then only partially recovered through late June.
- Praise themes around performance and integrations provided a real but outnumbered counterweight to the complaint volume.
- Opinion was divided on whether reliability problems reflect isolated incidents or deeper systemic concerns.
| Praise theme | Mentions |
|---|---|
| Strong features | 78 |
| Performance | 48 |
| Good integrations | 40 |
| Compared to rivals | 29 |
| Feature requests | 28 |
| Complaint theme | Mentions |
|---|---|
| Bugs | 627 |
| Reliability | 404 |
| Missing features | 137 |
| Performance | 114 |
| Feature requests | 67 |
Public discussion around ClickHouse over the past four weeks was heavily dominated by complaints, with bugs and reliability concerns accounting for the largest share of mentions by a wide margin. Commenters surfaced issues ranging from missing package releases on official repositories to credential exposure concerns, and the sheer volume of these reports suggests a community that is actively stress-testing the product and running into friction at scale. The tone in bug-focused threads was often pragmatic rather than hostile, with several mentions framing problems as blockers rather than dealbreakers, but the cumulative weight of reliability complaints gave the overall conversation a noticeably frustrated character.
The score trajectory tells a story of sharp movement followed by partial recovery. Sentiment slid from a modest starting point through a notable low point in early and mid-June, a period that also corresponded with a spike in total mentions, suggesting a specific wave of negative discussion pulled the score down as more voices entered the conversation. A partial rebound appeared in the third week of June before settling back, and the trajectory as a whole points to a period that started cautious, worsened under volume pressure, and has only partially stabilized.
On the praise side, commenters expressed genuine enthusiasm around specific features and performance characteristics, and integration-related discussion carried a positive tone, with several mentions of ClickHouse being embedded into broader analytics and data infrastructure stacks. Competitor comparisons appeared in a meaningful number of threads, and the framing there was generally favorable to ClickHouse, though not without qualifications.
Opinion was most divided on the product's reliability and whether issues represented isolated edge cases or systemic patterns. Feature-related discussion cut both ways, appearing in both the praise and complaint columns, which suggests commenters are engaged enough to want more but uncertain about the pace of delivery.
AI-generated summary of public online discussion during this period. It reflects the tone of that discussion, not facts about the product or our views.
Member perspectives
Individual opinions from Pro members, posted over time. These are personal member views, not aggregated sentiment data.
Overall Pulse Score
+2 over this period
A 0-100 index summarizing the tone of 1,003 relevant public mentions gathered from public online communities across 20 weeks in the selected period. It measures online sentiment, not a rating of the product's quality.
Data summary
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