Software Alternatives, Accelerators & Startups

ClickHouse VS Splunk

Compare ClickHouse VS Splunk and see what are their differences

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ClickHouse logo ClickHouse

ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real time.

Splunk logo Splunk

Splunk's operational intelligence platform helps unearth intelligent insights from machine data.
  • ClickHouse Landing page
    Landing page //
    2019-06-18
  • Splunk Landing page
    Landing page //
    2023-10-20

ClickHouse features and specs

  • High Performance
    ClickHouse is designed for fast processing of analytical queries, often performing significantly faster than traditional databases due to its columnar storage format and optimized query execution.
  • Scalability
    The system is built to handle extensive datasets by scaling horizontally through distributed cluster configurations, making it suitable for big data applications.
  • Real-time Data Ingestion
    ClickHouse supports real-time data ingestion and can immediately reflect changes in query results, which is valuable for use cases requiring instant data processing and analysis.
  • Cost Efficiency
    The open-source nature of ClickHouse makes it a cost-effective option, especially when compared to other commercial data warehouses.
  • SQL Compatibility
    ClickHouse features strong SQL support, which makes it easier for individuals with SQL expertise to transition and use the platform effectively.
  • Compression
    ClickHouse employs advanced compression algorithms that reduce storage requirements and improve query performance.

Possible disadvantages of ClickHouse

  • Complexity in Setup
    Setting up and managing ClickHouse, particularly in a distributed cluster environment, can be complex and require a higher level of expertise compared to some other database systems.
  • Limited Transaction Support
    ClickHouse is optimized for read-heavy operations and analytics but does not support full ACID transactions, which limits its use for certain transactional use cases.
  • Ecosystem and Tooling
    While the ecosystem is growing, ClickHouse still has fewer tools and third-party integrations compared to more mature databases, which can limit its utility in some environments.
  • Resource Intensive
    Running ClickHouse, especially for large datasets, can be resource-intensive, requiring significant memory and CPU resources.
  • Limited User Management
    The platform has relatively basic user management and security features, which may not meet the needs of enterprises with strict compliance and governance requirements.

Splunk features and specs

  • Powerful Data Analysis
    Splunk provides robust data indexing and search capabilities, allowing users to analyze large volumes of log data with high flexibility and efficiency.
  • Real-Time Processing
    Splunk enables real-time monitoring and analysis of data, which helps in immediate detection of anomalies and operational issues.
  • Scalability
    Splunk can efficiently scale to handle large amounts of data from various sources, making it suitable for both small businesses and large enterprises.
  • Wide Range of Integrations
    Splunk offers extensive integration options with numerous third-party applications and services, enhancing its functionalities and utility.
  • User-Friendly Interface
    Splunk comes with a highly intuitive and user-friendly interface, which makes it easier for users to navigate and leverage its features without extensive training.
  • Advanced Security Features
    Splunk includes comprehensive security features such as access controls, data encryption, and auditing capabilities to ensure data protection and compliance.

Possible disadvantages of Splunk

  • High Cost
    Splunk is considered expensive compared to other data analytics tools, which can be a significant constraint for smaller organizations or those with limited budgets.
  • Complex Licensing
    The licensing model for Splunk can be complex and confusing, often leading to issues in predicting costs and understanding the full extent of required licensing.
  • Steep Learning Curve
    Despite its user-friendly interface, there is a steep learning curve associated with mastering Splunk’s advanced features and query language, which can be challenging for new users.
  • Resource Intensive
    Splunk can be resource-intensive, requiring substantial computational power and storage, which might necessitate additional hardware investments.
  • Custom App Development
    Building custom apps and dashboards in Splunk may require specialized knowledge of its proprietary language, which can limit customization for users without technical expertise.

ClickHouse videos

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Splunk videos

"Splunk Product Overview"

More videos:

  • Tutorial - Splunk in 60 Minutes | Splunk Tutorial For Beginners | Splunk Training | Splunk Tutorial | Edureka
  • Demo - Splunk Incident Review Demo

Category Popularity

0-100% (relative to ClickHouse and Splunk)
Databases
100 100%
0% 0
Monitoring Tools
0 0%
100% 100
Relational Databases
100 100%
0% 0
Log Management
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ClickHouse and Splunk

ClickHouse Reviews

Rockset, ClickHouse, Apache Druid, or Apache Pinot? Which is the best database for customer-facing analytics?
ClickHouse is an open-source, column-oriented, distributed, and OLAP database that’s very easy to set up and maintain. “Because it’s columnar, it’s the best architectural approach for aggregations and for ‘sort by’ on more than one column. It also means that group by’s are very fast. It’s distributed, replication is asynchronous, and it’s OLAP—which means it’s meant for...
Source: embeddable.com
ClickHouse vs TimescaleDB
Recently, TimescaleDB published a blog comparing ClickHouse & TimescaleDB using timescale/tsbs, a timeseries benchmarking framework. I have some experience with PostgreSQL and ClickHouse but never got the chance to play with TimescaleDB. Some of the claims about TimescaleDB made in their post are very bold, that made me even more curious. I thought it’d be a great...
20+ MongoDB Alternatives You Should Know About
ClickHouse may be a great contender for moving analytical workloads from MongoDB. Much faster, and with JSON support and Nested Data Structures, it can be great choice for storing and analyzing document data.
Source: www.percona.com

Splunk Reviews

The 10 Best Nagios Alternatives in 2024 (Paid and Open-source)
What sets Splunk apart, likely contributing to its premium price, is its expansive network. With over 2,200 partners spanning various industries, Splunk ensures users can fully leverage the platform. Additionally, boasting a community of over 18,000 active members and 1,800 Splunk experts, users have access to support for problem-solving, architecture, deployment, and...
Source: betterstack.com
Top 10 Grafana Alternatives in 2024
Splunk’s security and data monitoring features make it a potent alternative to Grafana. The platform helps collect and store extensive data from multiple platforms like databases, messaging systems, and network devices.
Source: middleware.io
Top 11 Grafana Alternatives & Competitors [2024]
Splunk's strengths lie in its adeptness at handling large-scale data ingestion and robust analytics capabilities. This makes it invaluable for organizations with complex data monitoring needs, particularly in enterprise security and observability.
Source: signoz.io
10 Best Grafana Alternatives [2023 Comparison]
Splunk is a well-known log management solution that’s been around forever. It offers a variety of observability solutions, making it an ideal Grafana alternative in terms of functionality. Splunk offers users Log Management, Synthetic monitoring, Infrastructure Monitoring, APM, Security Monitoring, and more.
Source: sematext.com
Top 11 Best SIEM Tools in 2022 For Real-Time Incident Response and Security
Splunk provides improved security operations like customizable dashboards, asset investigator, statistical analysis, and incident review, classification, and investigation. It has features of alerts management, risk scores, etc. It provides security services to the public sectors, financial services, and healthcare.

Social recommendations and mentions

Based on our record, ClickHouse should be more popular than Splunk. It has been mentiond 55 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ClickHouse mentions (55)

  • Why You Shouldn’t Invest In Vector Databases?
    In fact, even in the absence of these commercial databases, users can effortlessly install PostgreSQL and leverage its built-in pgvector functionality for vector search. PostgreSQL stands as the benchmark in the realm of open-source databases, offering comprehensive support across various domains of database management. It excels in transaction processing (e.g., CockroachDB), online analytics (e.g., DuckDB),... - Source: dev.to / 17 days ago
  • Twitter's 600-Tweet Daily Limit Crisis: Soaring GCP Costs and the Open Source Fix Elon Musk Ignored
    ClickHouse: ClickHouse is an open-source columnar database management system designed for high-performance analytics. It excels at processing large volumes of data and offers real-time querying capabilities. It’s probably the world’s fastest real-time data analytics system: ClickHouse Benchmark. - Source: dev.to / about 1 month ago
  • DeepSeek's Data Breach: A Wake-Up Call for AI Data Security
    Further investigation revealed that these ports provided direct access to a publicly exposed ClickHouse database—entirely unprotected and requiring no authentication. This discovery raised immediate security concerns, as ClickHouse is an open-source, columnar database management system designed for high-speed analytical queries on massive datasets. Originally developed by Yandex, ClickHouse is widely used for... - Source: dev.to / 3 months ago
  • Should You Ditch Spark for DuckDB or Polars?
    Clickhouse also has managed service (https://clickhouse.com/). - Source: Hacker News / 5 months ago
  • ClickHouse: The Key to Faster Insights
    ClickHouse is rapidly gaining traction for its unmatched speed and efficiency in processing big data. Cloudflare, for example, uses ClickHouse to process millions of rows per second and reduce memory usage by over four times, making it a key player in large-scale analytics. With its advanced features and real-time query performance, ClickHouse is becoming a go-to choice for companies handling massive datasets. In... - Source: dev.to / 5 months ago
View more

Splunk mentions (19)

  • Ask HN: Who is hiring? (April 2025)
    Splunk (A Cisco Company) [https://splunk.com] | Principal Software Engineer, Backend | Remote (Vancouver / Toronto, Canada) Splunk is here to build a safer and more resilient digital world. The world's leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. The role I'm hiring for is to lead the effort for a new API that will power Splunk's new... - Source: Hacker News / about 1 month ago
  • Can I install apps on Free 60 day Enterprise?
    I'm using the free 60day Enterprise license and tried to install different apps from the "Browse more apps" menu in Splunk Enterprise, but it doesn't accept my credentials when I try to log in. I tried my username and password from splunk.com(which I'm sure it works, because I tried it straight away on the official website). Also I tried using my username and password with which I'm accessing Splunk Enterprise,... Source: over 1 year ago
  • Can someone explain this before I go a little crazy? xD
    I'm noticing a questionable trend in Splunk question/answer structure for these free courses on splunk.com So I go to an exam dump to try and compare to something I have studied thus far. (Prepping for entry level 1002). Source: over 1 year ago
  • Where exactly can I start to learn?
    With your splunk.com username, you can login to Splunk trainings portals as well https://www.splunk.com/en_us/training.html .. There are lots of free trainings available. Enroll yourself, complete them, you will gain more confidence. Source: almost 2 years ago
  • VAST 3.0 released. Open-Source Security Data Pipelines with Kusto-like syntax
    VAST is an open-source SecDataOps project for working with data from open-source security tools. Version 3.0 adds a pipeline syntax similar to splunk, Kusto, PRQL, and Zed. Source: about 2 years ago
View more

What are some alternatives?

When comparing ClickHouse and Splunk, you can also consider the following products

PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.

Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

MySQL - The world's most popular open source database

NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.

Apache Doris - Apache Doris is an open-source real-time data warehouse for big data analytics.

Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases