ClickHouse
ClickHouse is an open-source column-oriented database management system designed for real-time analytical query processing at scale.
About this data
Updated June 29, 2026
Overall Pulse Score
No change over this period
A 0-100 index summarizing the tone of 1,635 relevant public mentions gathered from public online communities across 24 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
Over the recent period, community discussion around ClickHouse was dominated by bug reports and reliability concerns, which far outnumbered positive mentions across the roughly 700 total comments tracked. Several complaints focused on schema compatibility breakage with OpenTelemetry integrations and credential exposure issues. On the positive side, commenters praised ecosystem tooling built on top of ClickHouse, including type-safe query layers and open-sourced projects. The overall sentiment pulse remained flat compared to the prior period, with reliability and performance complaints drawing the most attention.
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 1,635 relevant public mentions in the selected period, by source.
Sample public mentions
Showing 5 of 1,635 analyzed public mentions in this period, with links to the original source. We do not reproduce full threads.
“Allow to run multiple concurrent queries to ClickHouse from a single Editor tab. Allow to execute more than 1 query at a time from a single Editor. **Steps to reproduce:** 1. Create a new SQL script 2. Copy these two queries: SELECT sleep(3); SELECT sleep(3); 3. Run the first que...”
“Lightweight deletes remove future data. ### Company or project name CloudQuery Describe what's wrong When issuing a DELETE FROM query, I expect the rows that exist in that point in time to be deleted, but not future rows that match the expression as well. However, if future rows ...”
“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...”
“Row policy allows unmentioned users full access, rather than none. ### Company or project name CloudQuery Describe what's wrong The row policy documentation states the following: Defining one or more row policies for the table makes access to the table dependent on the row polici...”
6,772+ more analyzed mentions, full history, and theme breakdowns are part of Pro.
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- Bug and reliability complaints dominated the conversation by a wide margin, accounting for the bulk of all mentions across the four-week window.
- Sentiment dropped sharply in early June as mention volume surged, then partially recovered but did not return to its prior level by the end of the period.
- Performance divided opinion, appearing as both a notable praise theme and a significant complaint theme depending on the context commenters described.
- A smaller but active thread of builder-focused discussion around integrations and feature gaps ran alongside the critical commentary, reflecting a split in how engaged users framed their relationship with the product.
| Praise theme | Mentions |
|---|---|
| Strong features | 103 |
| Performance | 74 |
| Good integrations | 54 |
| Feature requests | 50 |
| Compared to rivals | 33 |
| Complaint theme | Mentions |
|---|---|
| Bugs | 1012 |
| Reliability | 617 |
| Missing features | 225 |
| Performance | 163 |
| Feature requests | 99 |
Discussion around ClickHouse over the past four weeks was heavily weighted toward frustration, with bugs and reliability concerns accounting for a disproportionate share of the total conversation. Complaints about bugs alone drew 441 mentions against a backdrop of 701 total, suggesting that a significant portion of public commentary was organized around specific defects rather than general sentiment. Reliability surfaced close behind, and performance appeared on both sides of the ledger, meaning that while some commenters praised speed, a comparable thread of discussion pointed to slowness or degradation under certain conditions. The overall tone felt reactive rather than exploratory.
The score trajectory tells a story of brief recovery followed by a sharper downturn. Sentiment held in a relatively narrow band through early May, then climbed modestly in the week ending May 25 before dropping notably in the first two weeks of June, which also happened to be when mention volume surged from single digits into the hundreds. That surge coincided with the low point of the tracked window, suggesting that a concentrated wave of negative discussion drove both the volume spike and the score decline. A partial rebound in mid-June cooled again by the final week, leaving sentiment essentially flat versus the period start.
Praise themes did appear but remained marginal in volume relative to complaints. Feature praise and integration satisfaction drew some positive commentary, and a handful of mentions framed ClickHouse favorably against competitors. Sample mentions pointed to developers building integrations and semantic layers on top of ClickHouse, indicating an engaged builder community that coexisted with the louder critical thread.
Opinion was most divided around performance, which appeared as both a praise theme and a complaint theme, and around integrations, where positive mentions of compatibility sat alongside reports of schema-level breakage with third-party exporters. Feature requests and missing functionality generated their own undercurrent, with several mentions framing gaps in alerting, keyboard accessibility, and mobile experience as problems worth solving rather than blockers, indicating a spectrum of tolerance within the user base.
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
No change over this period
A 0-100 index summarizing the tone of 1,635 relevant public mentions gathered from public online communities across 24 weeks in the selected period. It measures online sentiment, not a rating of the product's quality.
Data summary
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