Use the log
- Daily Archive: available for download in different service module name.
- Real-time analysis: Provides multi-dimensional analysis, troubleshooting and alarm monitoring.
- Calculation of polymerization: on-demand data results.
- Offline Analysis: complex data model analysis, regular reporting.
A common way to collect logs
- Script: The log file regular cut or quantitative reporting.
- Logstash
- Heka Agent
- Nginx
- nsqd
What are unhealthy log
- Slower rate request
- The rear end node retry request
- The number of bytes sent and file length Content-Length inconsistency
- Abnormal response
Calculated on log aggregation
- Total amount of collected metrics CDN edge request, real time reporting, the polymerization is calculated, the query
- Support for multiple time dimension data show
- Support domain name, service name, user name query
- Support complex queries (Top N, list)
Mark。
