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Add metrics for tracking cache hit ratios

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This commit is contained in:
James Campbell
2025-06-13 01:16:24 -04:00
parent 8fe81e3ab3
commit 7c395a80fe
3 changed files with 106 additions and 2 deletions
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92
zabbix_templates/pgmon_templates.yaml
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@@ -673,6 +673,98 @@ zabbix_export:
value: '{#DBNAME}'
- tag: Type
value: Calculated
- uuid: bb0690e123e94e35a9bbd0f05ee322b4
name: 'Database Hit Ratios for {#DBNAME}'
type: HTTP_AGENT
key: 'pgmon_db_hit_ratios[{#DBNAME}]'
history: '0'
value_type: TEXT
trends: '0'
url: 'http://localhost:{$AGENT_PORT}/hit_ratios'
query_fields:
- name: dbname
value: '{#DBNAME}'
tags:
- tag: Application
value: PostgreSQL
- tag: Database
value: '{#DBNAME}'
- uuid: e0edbaf6f98249a6b357ade2ab41a76a
name: 'Average heap hit ratio on {#DBNAME}'
type: DEPENDENT
key: 'pgmon_db_hit_ratio[heap,{#DBNAME}]'
delay: '0'
history: 90d
value_type: FLOAT
description: 'The cache (shared_buffers) hit ratio for heap entries for the given database'
preprocessing:
- type: JSONPATH
parameters:
- $.avg_heap_hit_ratio
master_item:
key: 'pgmon_db_hit_ratios[{#DBNAME}]'
tags:
- tag: Application
value: PostgreSQL
- tag: Database
value: '{#DBNAME}'
- uuid: e4956d433a47455ca0c00d67a0f59355
name: 'Average index hit ratio on {#DBNAME}'
type: DEPENDENT
key: 'pgmon_db_hit_ratio[index,{#DBNAME}]'
delay: '0'
history: 90d
value_type: FLOAT
description: 'The cache (shared_buffers) hit ratio for index entries for the given database'
preprocessing:
- type: JSONPATH
parameters:
- $.avg_idx_hit_ratio
master_item:
key: 'pgmon_db_hit_ratios[{#DBNAME}]'
tags:
- tag: Application
value: PostgreSQL
- tag: Database
value: '{#DBNAME}'
- uuid: 0335267c14a8410a80a16b38167efcb3
name: 'Average toast hit ratio on {#DBNAME}'
type: DEPENDENT
key: 'pgmon_db_hit_ratio[toast,{#DBNAME}]'
delay: '0'
history: 90d
value_type: FLOAT
description: 'The cache (shared_buffers) hit ratio for heap entries for the given database'
preprocessing:
- type: JSONPATH
parameters:
- $.avg_toast_hit_ratio
master_item:
key: 'pgmon_db_hit_ratios[{#DBNAME}]'
tags:
- tag: Application
value: PostgreSQL
- tag: Database
value: '{#DBNAME}'
- uuid: 3f7da45e351443528c6c36145d38f9b8
name: 'Average toast index hit ratio on {#DBNAME}'
type: DEPENDENT
key: 'pgmon_db_hit_ratio[toast_index,{#DBNAME}]'
delay: '0'
history: 90d
value_type: FLOAT
description: 'The cache (shared_buffers) hit ratio for toast index entries for the given database'
preprocessing:
- type: JSONPATH
parameters:
- $.avg_tidx_hit_ratio
master_item:
key: 'pgmon_db_hit_ratios[{#DBNAME}]'
tags:
- tag: Application
value: PostgreSQL
- tag: Database
value: '{#DBNAME}'
- uuid: 492b3cac15f348c2b85f97b69c114d1b
name: 'Database Stats for {#DBNAME}'
type: HTTP_AGENT