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fuel-plugin-lma-collector/doc/user/source/metrics/lma.rst

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System

The metrics have a service field with the name of the service it applies to. The values can be: hekad, collectd, influxd, grafana-server or elasticsearch.

  • lma_components_count_processes, the number of processes currently running.
  • lma_components_count_threads, the number of threads currently running.
  • lma_components_cputime_syst, the percentage of CPU time spent in system mode by the service. It can be greater than 100% when the node has more than one CPU.
  • lma_components_cputime_user, the percentage of CPU time spent in user mode by the service. It can be greater than 100% when the node has more than one CPU.
  • lma_components_disk_bytes_read, the number of bytes read from disk(s) per second.
  • lma_components_disk_bytes_write, the number of bytes written to disk(s) per second.
  • lma_components_disk_ops_read, the number of read operations from disk(s) per second.
  • lma_components_disk_ops_write, the number of write operations to disk(s) per second.
  • lma_components_memory_code, the physical memory devoted to executable code in bytes.
  • lma_components_memory_data, the physical memory devoted to other than executable code in bytes.
  • lma_components_memory_rss, the non-swapped physical memory used in bytes.
  • lma_components_memory_vm, the virtual memory size in bytes.
  • lma_components_pagefaults_majflt, major page faults per second.
  • lma_components_pagefaults_minflt, minor page faults per second.
  • lma_components_stacksize, the absolute value of the start address (the bottom) of the stack minus the address of the current stack pointer.

Heka pipeline

The metrics have two fields: name that contains the name of the decoder or filter as defined by Heka and type that is either decoder or filter.

The metrics for both types are as follows:

  • hekad_memory, the total memory in bytes used by the Sandbox.
  • hekad_msg_avg_duration, the average time in nanoseconds for processing the message.
  • hekad_msg_count, the total number of messages processed by the decoder. This resets to 0 when the process is restarted.

Additional metrics for filter type:

  • heakd_timer_event_avg_duration, the average time in nanoseconds for executing the timer_event function.
  • hekad_timer_event_count, the total number of executions of the timer_event function. This resets to 0 when the process is restarted.

Back-end checks

  • http_check, the API status of the back end, 1 if it is responsive, if not, then 0. The metric contains a service field that identifies the LMA back-end service being checked.

<service> is one of the following values, depending on which Fuel plugins are deployed in the environment:

  • 'influxdb'