demo days, 29/05/2026#6357
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dhtclk
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Jun 8, 2026
knudtty
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Jun 8, 2026
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| ClickStack now applies the direct_read optimization only on ClickHouse versions 26.2 and above, where the full-text search index properly supports the alias columns added to open-source schemas. Previously the optimization could be attempted on older versions where it wouldn't work correctly. The version check happens at query time by inspecting the schema, and the alias columns themselves are now included in the open-source schemas by default. | ||
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| Also shown: work in progress on replacing the autocomplete materialized view with direct queries against the text index. Right now both do overlapping work, adding ingest pressure. If benchmarks confirm the text index queries hold up performance-wise, the materialized view can be simplified or removed. Aarron also fielded questions from the team about how positional encoding in future ClickHouse text index versions might make key-value filter lookups even more accurate. |
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| Also shown: work in progress on replacing the autocomplete materialized view with direct queries against the text index. Right now both do overlapping work, adding ingest pressure. If benchmarks confirm the text index queries hold up performance-wise, the materialized view can be simplified or removed. Aarron also fielded questions from the team about how positional encoding in future ClickHouse text index versions might make key-value filter lookups even more accurate. | |
| Also shown: work in progress on replacing the autocomplete materialized view with direct queries against the text index. Right now both do overlapping work, adding ingest pressure. If benchmarks confirm the text index queries hold up performance-wise, the materialized view can be simplified or removed. Aaron also fielded questions from the team about how positional encoding in future ClickHouse text index versions might make key-value filter lookups even more accurate. |
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Docs PR opened: ClickHouse/mintlify-docs-dev#138 Added a new ClickStack demo days page for 2026-05-29 covering seven feature demos and linked it in navigation. |
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Summary
usual demo days format
Checklist
Note
Low Risk
Documentation-only addition with no application or infrastructure code changes.
Overview
Adds a ClickStack demo days doc page for 2026-05-29 at
docs/use-cases/observability/clickstack/demo-days/2026/clickstack-new-features-29-05-2026.md, using the same front matter pattern as other 2026 demo-day entries (slug,sidebar_position: -20260529, etc.).The page summarizes seven demos with embedded YouTube iframes and links to related HyperDX PRs: version-aware
direct_read/ schema filtering, log-parser severity inference fix, MCP server updates, unified chart color palette, PageHeader/PageLayout rollout, datasource selector and series color picking, and dashboard table row hover hints.Reviewed by Cursor Bugbot for commit 87673a6. Bugbot is set up for automated code reviews on this repo. Configure here.