Open qianxiaodewo opened 2 years ago
database_write_tagged_success
: How many datapoints writes the DB is seeing.
database_status_active_series
: How many timeseries the DB currently has in its actively written block.
There is no metric that shows the total # of unique timeseries currently in retention for a given namespace.
Filing M3 Issues
I want to query how many metrics are stored, but I don't know which indicator to look at? ls database_write_tagged_success or database_status_active_series?
General Issues
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Please provide the following information along with a description of the issue that you're experiencing:
Performance issues
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In addition to the above information, CPU and heap profiles are always greatly appreciated.
CPU / Heap Profiles
CPU and heap profiles are critical to helping us debug performance issues. All our services run with the net/http/pprof server enabled by default.
Instructions for obtaining CPU / heap profiles for various services are below, please attach these profiles to the issue whenever possible.
M3Coordinator
CPU
curl <HOST_NAME>:<PORT(default 7201)>/debug/pprof/profile?seconds=5 > m3coord_cpu.out
Heap
curl <HOST_NAME>:<PORT(default 7201)>/debug/pprof/heap > m3coord_heap.out
M3DB
CPU
curl <HOST_NAME>:<PORT(default 9004)>/debug/pprof/profile?seconds=5 > m3db_cpu.out
Heap
curl <HOST_NAME>:<PORT(default 9004)>/debug/pprof/heap -> m3db_heap.out
M3DB Grafana Dashboard Screenshots
If the service experiencing performance issues is M3DB and you're monitoring it using Prometheus, any screenshots you could provide using this dashboard would be helpful.