|
1 |
| -pg_replication: |
2 |
| - query: "SELECT CASE WHEN NOT pg_is_in_recovery() THEN 0 ELSE GREATEST (0, EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp()))) END AS lag" |
3 |
| - master: true |
4 |
| - metrics: |
5 |
| - - lag: |
6 |
| - usage: "GAUGE" |
7 |
| - description: "Replication lag behind master in seconds" |
8 |
| - |
9 |
| -pg_postmaster: |
10 |
| - query: "SELECT pg_postmaster_start_time as start_time_seconds from pg_postmaster_start_time()" |
11 |
| - master: true |
12 |
| - metrics: |
13 |
| - - start_time_seconds: |
14 |
| - usage: "GAUGE" |
15 |
| - description: "Time at which postmaster started" |
16 |
| - |
17 |
| -pg_stat_user_tables: |
18 |
| - query: | |
19 |
| - SELECT |
20 |
| - current_database() datname, |
21 |
| - schemaname, |
22 |
| - relname, |
23 |
| - seq_scan, |
24 |
| - seq_tup_read, |
25 |
| - idx_scan, |
26 |
| - idx_tup_fetch, |
27 |
| - n_tup_ins, |
28 |
| - n_tup_upd, |
29 |
| - n_tup_del, |
30 |
| - n_tup_hot_upd, |
31 |
| - n_live_tup, |
32 |
| - n_dead_tup, |
33 |
| - n_mod_since_analyze, |
34 |
| - COALESCE(last_vacuum, '1970-01-01Z') as last_vacuum, |
35 |
| - COALESCE(last_autovacuum, '1970-01-01Z') as last_autovacuum, |
36 |
| - COALESCE(last_analyze, '1970-01-01Z') as last_analyze, |
37 |
| - COALESCE(last_autoanalyze, '1970-01-01Z') as last_autoanalyze, |
38 |
| - vacuum_count, |
39 |
| - autovacuum_count, |
40 |
| - analyze_count, |
41 |
| - autoanalyze_count |
42 |
| - FROM |
43 |
| - pg_stat_user_tables |
44 |
| - metrics: |
45 |
| - - datname: |
46 |
| - usage: "LABEL" |
47 |
| - description: "Name of current database" |
48 |
| - - schemaname: |
49 |
| - usage: "LABEL" |
50 |
| - description: "Name of the schema that this table is in" |
51 |
| - - relname: |
52 |
| - usage: "LABEL" |
53 |
| - description: "Name of this table" |
54 |
| - - seq_scan: |
55 |
| - usage: "COUNTER" |
56 |
| - description: "Number of sequential scans initiated on this table" |
57 |
| - - seq_tup_read: |
58 |
| - usage: "COUNTER" |
59 |
| - description: "Number of live rows fetched by sequential scans" |
60 |
| - - idx_scan: |
61 |
| - usage: "COUNTER" |
62 |
| - description: "Number of index scans initiated on this table" |
63 |
| - - idx_tup_fetch: |
64 |
| - usage: "COUNTER" |
65 |
| - description: "Number of live rows fetched by index scans" |
66 |
| - - n_tup_ins: |
67 |
| - usage: "COUNTER" |
68 |
| - description: "Number of rows inserted" |
69 |
| - - n_tup_upd: |
70 |
| - usage: "COUNTER" |
71 |
| - description: "Number of rows updated" |
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| - - n_tup_del: |
73 |
| - usage: "COUNTER" |
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| - description: "Number of rows deleted" |
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| - - n_tup_hot_upd: |
76 |
| - usage: "COUNTER" |
77 |
| - description: "Number of rows HOT updated (i.e., with no separate index update required)" |
78 |
| - - n_live_tup: |
79 |
| - usage: "GAUGE" |
80 |
| - description: "Estimated number of live rows" |
81 |
| - - n_dead_tup: |
82 |
| - usage: "GAUGE" |
83 |
| - description: "Estimated number of dead rows" |
84 |
| - - n_mod_since_analyze: |
85 |
| - usage: "GAUGE" |
86 |
| - description: "Estimated number of rows changed since last analyze" |
87 |
| - - last_vacuum: |
88 |
| - usage: "GAUGE" |
89 |
| - description: "Last time at which this table was manually vacuumed (not counting VACUUM FULL)" |
90 |
| - - last_autovacuum: |
91 |
| - usage: "GAUGE" |
92 |
| - description: "Last time at which this table was vacuumed by the autovacuum daemon" |
93 |
| - - last_analyze: |
94 |
| - usage: "GAUGE" |
95 |
| - description: "Last time at which this table was manually analyzed" |
96 |
| - - last_autoanalyze: |
97 |
| - usage: "GAUGE" |
98 |
| - description: "Last time at which this table was analyzed by the autovacuum daemon" |
99 |
| - - vacuum_count: |
100 |
| - usage: "COUNTER" |
101 |
| - description: "Number of times this table has been manually vacuumed (not counting VACUUM FULL)" |
102 |
| - - autovacuum_count: |
103 |
| - usage: "COUNTER" |
104 |
| - description: "Number of times this table has been vacuumed by the autovacuum daemon" |
105 |
| - - analyze_count: |
106 |
| - usage: "COUNTER" |
107 |
| - description: "Number of times this table has been manually analyzed" |
108 |
| - - autoanalyze_count: |
109 |
| - usage: "COUNTER" |
110 |
| - description: "Number of times this table has been analyzed by the autovacuum daemon" |
111 |
| - |
112 |
| -pg_statio_user_tables: |
113 |
| - query: "SELECT current_database() datname, schemaname, relname, heap_blks_read, heap_blks_hit, idx_blks_read, idx_blks_hit, toast_blks_read, toast_blks_hit, tidx_blks_read, tidx_blks_hit FROM pg_statio_user_tables" |
114 |
| - metrics: |
115 |
| - - datname: |
116 |
| - usage: "LABEL" |
117 |
| - description: "Name of current database" |
118 |
| - - schemaname: |
119 |
| - usage: "LABEL" |
120 |
| - description: "Name of the schema that this table is in" |
121 |
| - - relname: |
122 |
| - usage: "LABEL" |
123 |
| - description: "Name of this table" |
124 |
| - - heap_blks_read: |
125 |
| - usage: "COUNTER" |
126 |
| - description: "Number of disk blocks read from this table" |
127 |
| - - heap_blks_hit: |
128 |
| - usage: "COUNTER" |
129 |
| - description: "Number of buffer hits in this table" |
130 |
| - - idx_blks_read: |
131 |
| - usage: "COUNTER" |
132 |
| - description: "Number of disk blocks read from all indexes on this table" |
133 |
| - - idx_blks_hit: |
134 |
| - usage: "COUNTER" |
135 |
| - description: "Number of buffer hits in all indexes on this table" |
136 |
| - - toast_blks_read: |
137 |
| - usage: "COUNTER" |
138 |
| - description: "Number of disk blocks read from this table's TOAST table (if any)" |
139 |
| - - toast_blks_hit: |
140 |
| - usage: "COUNTER" |
141 |
| - description: "Number of buffer hits in this table's TOAST table (if any)" |
142 |
| - - tidx_blks_read: |
143 |
| - usage: "COUNTER" |
144 |
| - description: "Number of disk blocks read from this table's TOAST table indexes (if any)" |
145 |
| - - tidx_blks_hit: |
146 |
| - usage: "COUNTER" |
147 |
| - description: "Number of buffer hits in this table's TOAST table indexes (if any)" |
148 |
| - |
149 |
| -# |
150 |
| -# WARNING: |
151 |
| -# This set of metrics can be very expensive on a busy server as every |
152 |
| -# unique query executed will create an additional time series |
153 |
| -# |
154 |
| -# pg_stat_statements: |
155 |
| -# query: | |
156 |
| -# SELECT |
157 |
| -# pg_get_userbyid(userid) as user, |
158 |
| -# pg_database.datname, |
159 |
| -# pg_stat_statements.queryid, |
160 |
| -# pg_stat_statements.calls as calls_total, |
161 |
| -# pg_stat_statements.total_time / 1000.0 as seconds_total, |
162 |
| -# pg_stat_statements.rows as rows_total, |
163 |
| -# pg_stat_statements.blk_read_time / 1000.0 as block_read_seconds_total, |
164 |
| -# pg_stat_statements.blk_write_time / 1000.0 as block_write_seconds_total |
165 |
| -# FROM pg_stat_statements |
166 |
| -# JOIN pg_database |
167 |
| -# ON pg_database.oid = pg_stat_statements.dbid |
168 |
| -# WHERE |
169 |
| -# total_time > ( |
170 |
| -# SELECT percentile_cont(0.1) |
171 |
| -# WITHIN GROUP (ORDER BY total_time) |
172 |
| -# FROM pg_stat_statements |
173 |
| -# ) |
174 |
| -# ORDER BY seconds_total DESC |
175 |
| -# LIMIT 100 |
176 |
| -# metrics: |
177 |
| -# - user: |
178 |
| -# usage: "LABEL" |
179 |
| -# description: "The user who executed the statement" |
180 |
| -# - datname: |
181 |
| -# usage: "LABEL" |
182 |
| -# description: "The database in which the statement was executed" |
183 |
| -# - queryid: |
184 |
| -# usage: "LABEL" |
185 |
| -# description: "Internal hash code, computed from the statement's parse tree" |
186 |
| -# - calls_total: |
187 |
| -# usage: "COUNTER" |
188 |
| -# description: "Number of times executed" |
189 |
| -# - seconds_total: |
190 |
| -# usage: "COUNTER" |
191 |
| -# description: "Total time spent in the statement, in seconds" |
192 |
| -# - rows_total: |
193 |
| -# usage: "COUNTER" |
194 |
| -# description: "Total number of rows retrieved or affected by the statement" |
195 |
| -# - block_read_seconds_total: |
196 |
| -# usage: "COUNTER" |
197 |
| -# description: "Total time the statement spent reading blocks, in seconds" |
198 |
| -# - block_write_seconds_total: |
199 |
| -# usage: "COUNTER" |
200 |
| -# description: "Total time the statement spent writing blocks, in seconds" |
201 |
| - |
202 |
| -pg_process_idle: |
203 |
| - query: | |
204 |
| - WITH |
205 |
| - metrics AS ( |
206 |
| - SELECT |
207 |
| - application_name, |
208 |
| - SUM(EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP - state_change))::bigint)::float AS process_idle_seconds_sum, |
209 |
| - COUNT(*) AS process_idle_seconds_count |
210 |
| - FROM pg_stat_activity |
211 |
| - WHERE state = 'idle' |
212 |
| - GROUP BY application_name |
213 |
| - ), |
214 |
| - buckets AS ( |
215 |
| - SELECT |
216 |
| - application_name, |
217 |
| - le, |
218 |
| - SUM( |
219 |
| - CASE WHEN EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP - state_change)) <= le |
220 |
| - THEN 1 |
221 |
| - ELSE 0 |
222 |
| - END |
223 |
| - )::bigint AS bucket |
224 |
| - FROM |
225 |
| - pg_stat_activity, |
226 |
| - UNNEST(ARRAY[1, 2, 5, 15, 30, 60, 90, 120, 300]) AS le |
227 |
| - GROUP BY application_name, le |
228 |
| - ORDER BY application_name, le |
229 |
| - ) |
230 |
| - SELECT |
231 |
| - application_name, |
232 |
| - process_idle_seconds_sum as seconds_sum, |
233 |
| - process_idle_seconds_count as seconds_count, |
234 |
| - ARRAY_AGG(le) AS seconds, |
235 |
| - ARRAY_AGG(bucket) AS seconds_bucket |
236 |
| - FROM metrics JOIN buckets USING (application_name) |
237 |
| - GROUP BY 1, 2, 3 |
238 |
| - metrics: |
239 |
| - - application_name: |
240 |
| - usage: "LABEL" |
241 |
| - description: "Application Name" |
242 |
| - - seconds: |
243 |
| - usage: "HISTOGRAM" |
244 |
| - description: "Idle time of server processes" |
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