@@ -104,11 +104,11 @@ pg_wait_sampling_reset_profile() function resets the profile.
104104The work of wait event statistics collector worker is controlled by following
105105GUCs.
106106
107- | Parameter name| Data type| Description|
108- | -------------------------------| ---------| -------------------------------------------|
109- | pg_wait_sampling.history_size| int4| Size of history in-memory ring buffer|
110- | pg_wait_sampling.history_period| int4| Period for history sampling in milliseconds|
111- | pg_wait_sampling.profile_period| int4| Period for profile sampling in milliseconds|
107+ | Parameter name| Data type| Description| Default value |
108+ | -------------------------------| ---------| -------------------------------------------| ------------: |
109+ | pg_wait_sampling.history_size| int4| Size of history in-memory ring buffer| 5000 |
110+ | pg_wait_sampling.history_period| int4| Period for history sampling in milliseconds| 10 |
111+ | pg_wait_sampling.profile_period| int4| Period for profile sampling in milliseconds| 10 |
112112
113113These GUCs are allowed to be changed by superuser. Also, they are placed into
114114shared memory. Thus, they could be changed from any backend and affects worker