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In the fields of information technology and systems management, application performance management (APM) is the monitoring and management of performance and availability of software applications. APM strives to detect and diagnose complex application performance problems to maintain an expected level of service.

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CAT 作为服务端项目基础组件,提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端,已经在美团点评的基础架构中间件框架(MVC框架,RPC框架,数据库框架,缓存框架等,消息队列,配置系统等)深度集成,为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

  • Updated Oct 13, 2020
  • Java
samhld commented Aug 24, 2020

Feature Request

Add a flag to the Telegraf run command to pass a token for the InfluxDB instance hosting the Telegraf configuration. This would allow for Telegraf to get its token from a different instance than to which it is writing data.

Could look like --config-host-token or --config-fetch-token or --config-token (because it may be implicit that it's specific to fetching that co

nicks commented Sep 2, 2020

What happened?

After being fine for a couple days, Prometheus mysteriously started crashing with this error:

level=error ts=2020-09-02T15:16:55.096Z caller=query_logger.go:87 component=activeQueryTracker msg="Error opening query log file" file=/prometheus/ err="open /prometheus/ permission denied"
panic: Unable to create mmap-ed active query log


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