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PG-173: Added new WAL usage statistics.

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Ibrar Ahmed
2021-02-02 17:52:41 +00:00
parent d7228128ec
commit fb819a5b23
2 changed files with 40 additions and 13 deletions
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docs/USER_GUIDE.md
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@@ -283,6 +283,21 @@ SELECT resp_calls, query FROM pg_stat_monitor;
{1," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 0"} | select client_ip, query from pg_stat_monitor
{3," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 1"} | select * from pg_stat_monitor_reset()
{3," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 0"," 1"} | SELECT * FROM foo
SELECT * FROM histogram(4, '4B64EE85C83D9AAC') AS a(range TEXT, freq INT, bar TEXT);
range | freq | bar
-----------+------+--------------------------------
(0 - 1)} | 692 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
(1 - 1)} | 0 |
(1 - 1)} | 0 |
(1 - 2)} | 572 | ■■■■■■■■■■■■■■■■■■■■■■■■■
(2 - 3)} | 74 | ■■■
(3 - 3)} | 0 |
(3 - 5)} | 9 |
(5 - 6)} | 1 |
(6 - 7)} | 1 |
(7 - 10)} | 1 |
(10 rows)
```
There are 10 timebase buckets of the time **`pg_stat_monitor.pgsm_respose_time_step`** in the field ``resp_calls``. The value in the field shows how many queries run in that period of time.