When comparing Splunk vs logFaces, the Slant community recommends Splunk for most people. In the question“What are the best log management, aggregation & monitoring tools?” Splunk is ranked 11th while logFaces is ranked 34th. The most important reason people chose Splunk is:
It's human readable, intuitive, fast and with auto-complete to boot. And if you need more advanced functionality out of your queries, [120+ page search manual](http://docs.splunk.com/index.php?title=Documentation:Splunk:Search:Whatsinthismanual:6.0beta&action=pdfbook) will give you an insight in how much is actually possible.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to use, powerful search
It's human readable, intuitive, fast and with auto-complete to boot. And if you need more advanced functionality out of your queries, 120+ page search manual will give you an insight in how much is actually possible.
Pro Widely used
De facto standard for log aggregation, monitoring, analysis and reporting.
Pro Scales effortlessly
It is built for enterprise use, meaning it scales easily.
Pro Real-time graphs
You can create visualizations that update in real time.
Pro Cross-platform
OS X, Linux & Windows are supported. You can also access Splunk from iOS and Android devices.
Pro Free version
With restrictions on log size and devices a free version is available.
Pro Alerts
Splunk can turn searches into alerts.
Pro Understands data in any format or language
Pro Extendable via a large selection of apps
Additional functionality can be added with over 500 apps.
Pro Comes with its own very rich desktop application
Pro Fast support
Been using it for years. Never had a problem that could not be solved with a quick email. Support very fast and to the point.
Pro Own your log data
Logs never leave your premises unless you want them to.
Pro Allows extremely fast and flexible queries
Cons
Con Expensive
Splunk is pretty expensive compared to other solutions.
Con Antiquated
The interface and service are very antiquated
Con Seriously SLOW ingest
Their docs and sales say it will ingest up to 20k EPS, but reality is more like 1k eps per server.