Discover what’s new in ClickStack this month, including event deltas, multiline search, enhanced filtering, and more!
Overview
The October 2025 edition of What's New in ClickStack highlights significant updates to the open-source observability stack for ClickHouse, including the introduction of alerting features, customizable Event Deltas, and enhanced dashboard filtering. These improvements aim to enhance user experience and performance at petabyte scale, making observability more intuitive and responsive.
What You'll Learn
1
How to set up alerting in ClickHouse Cloud for real-time monitoring
2
Why customizable Event Deltas are essential for performance analysis
3
How to utilize dashboard filtering for enhanced data exploration
Key Questions Answered
What new features are introduced in ClickStack for October 2025?
The October 2025 release of ClickStack introduces several new features including alerting in ClickHouse Cloud, customizable Event Deltas, multiline search support, and new dashboard filters. These enhancements aim to provide a more intuitive and powerful observability experience.
How does the new alerting feature in ClickHouse Cloud work?
The new alerting feature allows teams to create and manage real-time alerts across logs, metrics, and traces directly within the HyperDX UI. It supports integrations with Slack, PagerDuty, and webhooks, enabling instant notifications about performance issues without requiring custom setup.
What are Configurable Event Deltas and how do they help?
Configurable Event Deltas dynamically contrast fast and slow traces to identify attributes that correlate with performance regressions. This feature helps Site Reliability Engineers (SREs) quickly pinpoint root causes of latency issues by visualizing span durations and associated attributes.
What improvements have been made to dashboard filtering?
The new dashboard filtering feature allows users to easily add custom filters for quick exploration. Users can select columns to filter by, and ClickStack automatically detects the filter type, creating intuitive widgets without complex setups.
Key Statistics & Figures
Reduction in chart-load latency
up to 25%
This improvement is due to the new chart rendering optimizations that progressively load data.
Improvement in initial data display time
up to 95%
This enhancement dramatically improves perceived responsiveness for users querying large datasets.
Average memory usage reduction per query
between 18% and 80%
This reduction is a result of optimizations made to the query processing and chart rendering.
Technologies & Tools
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Database
Clickhouse
Used as the underlying data store for observability metrics and logs.
Frontend
Hyperdx
Provides the user interface for managing observability features including alerting and dashboards.
Monitoring
Opentelemetry
Instrumented in applications to collect telemetry data for analysis.
Key Actionable Insights
1Leverage the new alerting feature in ClickHouse Cloud to proactively monitor your applications.By setting up alerts for key performance indicators, teams can respond quickly to issues, improving overall system reliability and user satisfaction.
2Utilize customizable Event Deltas to enhance your performance analysis workflows.This feature allows for dynamic comparisons of trace attributes, making it easier to identify performance regressions and optimize system performance.
3Implement the new dashboard filtering capabilities to streamline data exploration.This will enable teams to quickly focus on relevant data without the complexity often found in other observability tools, enhancing productivity.
Common Pitfalls
1
Failing to configure alerts properly can lead to missed critical performance issues.
Ensure that alerts are set up with the correct thresholds and integrations to avoid delays in response to system anomalies.
2
Overcomplicating dashboard filters can hinder data exploration rather than help it.
Keep filters intuitive and straightforward to maintain an efficient workflow and avoid confusion among team members.