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a61d81bbc7
The original value that we get is measured in microseconds. It comes from a calculation using Postgres' GetCurrentTimestamp(), whihc is implemented in terms of gettimeofday(2). Signed-off-by: Tristan Partin <tristan@neon.tech>
Compute Configuration
These files are the configuration files for various other pieces of software that will be running in the compute alongside Postgres.
sql_exporter
Adding a sql_exporter Metric
We use sql_exporter to export various metrics from Postgres. In order to add
a metric, you will need to create two files: a libsonnet and a sql file. You
will then import the libsonnet file in one of the collector files, and the
sql file will be imported in the libsonnet file.
In the event your statistic is an LSN, you may want to cast it to a float8
because Prometheus only supports floats. It's probably fine because float8 can
store integers from -2^53 to +2^53 exactly.