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Fluentd vs Splunk: What are the differences?
What is Fluentd? Unified logging layer. Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. Fluentd helps you unify your logging infrastructure.
What is Splunk? Search, monitor, analyze and visualize machine data. Splunk Inc. provides the leading platform for Operational Intelligence. Customers use Splunk to search, monitor, analyze and visualize machine data.
Fluentd and Splunk belong to "Log Management" category of the tech stack.
Fluentd is an open source tool with 8.04K GitHub stars and 938 GitHub forks. Here's a link to Fluentd's open source repository on GitHub.
9GAG, Repro, and Geocodio are some of the popular companies that use Fluentd, whereas Splunk is used by Starbucks, Intuit, and Razorpay. Fluentd has a broader approval, being mentioned in 64 company stacks & 18 developers stacks; compared to Splunk, which is listed in 31 company stacks and 29 developer stacks.
Pros of Fluentd
- Lightweight6
- Great for Kubernetes node container log forwarding6
- Open-source6
- Easy4
Pros of Splunk
- Ability to style search results into reports1
- API for searching logs, running reports1
- Query any log as key-value pairs1
- Splunk language supports string, date manip, math, etc1
- Granular scheduling and time window support1
- Alert system based on custom query results1
- Query engine supports joining, aggregation, stats, etc1
- Custom log parsing as well as automatic parsing1
- Dashboarding on any log contents1
- Rich GUI for searching live logs1
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Cons of Fluentd
Cons of Splunk
- Splunk query language rich so lots to learn1