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Add details of renamed metrics

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Paul "LeoNerd" Evans 2016-10-31 15:06:52 +00:00
parent 159434a133
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docs/metrics-howto.rst
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@ -23,3 +23,37 @@ How to monitor Synapse metrics using Prometheus
static_configs:
- targets:
"my.server.here:9092"
Standard Metric Names
---------------------
As of synapse version 0.18.2, the format of the process-wide metrics has been
changed to fit prometheus standard naming conventions. Additionally the units
have been changed to seconds, from miliseconds.
================================== =============================
New name Old name
---------------------------------- -----------------------------
process_cpu_user_seconds_total process_resource_utime / 1000
process_cpu_system_seconds_total process_resource_stime / 1000
process_open_fds (no 'type' label) process_fds
================================== =============================
The python-specific counts of garbage collector performance have been renamed.
=========================== ======================
New name Old name
--------------------------- ----------------------
python_gc_time reactor_gc_time
python_gc_unreachable_total reactor_gc_unreachable
python_gc_counts reactor_gc_counts
=========================== ======================
The twisted-specific reactor metrics have been renamed.
==================================== =================
New name Old name
------------------------------------ -----------------
python_twisted_reactor_pending_calls reactor_tick_time
python_twisted_reactor_tick_time reactor_tick_time
==================================== =================