(Legacy) Heuristic and Deprecated Metrics
Heuristic Metrics
Various network-related metrics reported by Sysdig, including response
times, are calculated at the kernel level by measuring latency between
systems calls. In an effort to ensure Sysdig remains the trusted source
of infrastructure insights, moving forward we will be labeling some
network related metrics as heuristic and are tagging with the symbol
in the
application.
Existing alerts using these metrics will not be modified or disabled. However, these alerts will not be able to be updated.
Additional heuristic metric details are listed below:
| Metric | Set New Alerts |
|---|---|
| net.http.request.time | Yes |
| net.http.request.count | Yes |
| net.http.error.count | Yes |
| net.sql.request.time | Yes |
| net.sql.request.count | Yes |
| net.sql.error.count | Yes |
| net.mongodb.request.time | Yes |
| net.mongodb.request.count | Yes |
| net.mongodb.error.count | Yes |
| net.request.time.file.percent | Yes |
| net.request.time.local.percent | Yes |
| net.request.time.net.percent | Yes |
| net.request.time.nextTiers.percent | Yes |
| net.request.time.processing.percent | Yes |
| net.request.time | No |
| net.request.time.in | No |
| net.request.time.out | No |
| net.request.time.worst.in | No |
| net.request.time.worst.out | No |
| net.request.count | No |
| net.request.count.in | No |
Deprecated Metrics
Based on low usage patterns, Sysdig has decided to deprecate the following metrics on August 1, 2018. Users will continue to have the ability to collect similar data using Prometheus, or another method of code instrumentation (i.e. StatsD or JMX for Java applications).
The table below shows the current metrics and options for similar functionality.
| Current Metric | Alternative Starting August 1, 2018 |
|---|---|
| capacity.estimated.request.stolen.count | Create your application metrics using Prometheus, StatsD or JMX for Java applications. |
| capacity.estimated.request.total.count | |
| capacity.stolen.percent | |
| capacity.total.percent | |
| capacity.used.percent | |
| net.request.time.file | |
| net.request.time.local | |
| net.request.time.net | |
| net.request.time.nextTiers | |
| net.request.time.processing | |
| net.sql.request.time.worst | Max aggregation (net.sql.request.time) |
| net.mongodb.request.time.worst | Max aggregation (net.mongodb.request.time) |
| net.http.request.time.worst | Max aggregation (net.http.request.time) |
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