Files
neon/compute/etc/sql_exporter/lfc_used_pages.libsonnet
Suhas Thalanki 46e046e779 Exporting file_cache_used to calculate LFC utilization (#11384)
## Problem

Exporting `file_cache_used` which specifies the number of used chunks in
the LFC. This helps calculate LFC utilization as: `file_cache_used_pages
/ (file_cache_used * file_cache_chunk_size_pages)`

## Summary of changes

Exporting `file_cache_used`.

Related Issue: https://github.com/neondatabase/cloud/issues/26688
2025-04-03 14:54:45 +00:00

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Jsonnet

{
metric_name: 'lfc_used_pages',
type: 'gauge',
help: 'LFC pages used',
key_labels: null,
values: [
'lfc_used_pages',
],
query: importstr 'sql_exporter/lfc_used_pages.sql',
}