NAME

       pgpool_adm_pcp_health_check_stats - a function to display health check statistics data on given node ID

SYNOPSIS

       pcp_health_check_stats returns record(integer node_id, text host, integer port, text username,
                                             text password, out node_id integer, out host text,
                                             out port integer, out status text, out role text,
                                             out last_status_change timestamp, out total_count bigint,
                                             out success_count bigint, out fail_count bigint,
                                             out skip_count bigint, out retry_count bigint,
                                             out average_retry_count bigint, out max_retry_count bigint,
                                             out max_health_check_duration bigint,
                                             out min_health_check_duration bigint,
                                             out average_health_check_duration float4,
                                             out last_health_check timestamp,
                                             out last_successful_health_check timestamp,
                                             out last_skip_health_check timestamp,
                                             out last_failed_health_check timestamp);

       pcp_health_check_stats returns record(integer node_id, text pcp_server, out node_id integer,
                                             out host text, out port integer, out status text, out role text,
                                             out last_status_change timestamp, out total_count bigint,
                                             out success_count bigint, out fail_count bigint,
                                             out skip_count bigint, out retry_count bigint,
                                             out average_retry_count bigint, out max_retry_count bigint,
                                             out max_health_check_duration bigint,
                                             out min_health_check_duration bigint,
                                             out average_health_check_duration float4,
                                             out last_health_check timestamp,
                                             out last_successful_health_check timestamp,
                                             out last_skip_health_check timestamp,
                                             out last_failed_health_check timestamp);

DESCRIPTION

       pcp_health_check_stats displays health check statistics data on given node ID.

ARGUMENTS

       node_id
           The index of backend node to get information of.

       pcp_server
           The foreign server name for pcp server.

       Other arguments
           See pcp_common_options(1).

EXAMPLE

       Here is an example output:

           test=# select * from pcp_health_check_stats(node_id => 0, host => '', port => 11001, username => 't-ishii', password => 't-ishii');
           -[ RECORD 1 ]-----------------+--------------------
           node_id                       | 0
           host                          | /tmp
           port                          | 11002
           status                        | up
           role                          | primary
           last_status_change            | 2020-02-25 16:05:29
           total_count                   | 3
           success_count                 | 3
           fail_count                    | 0
           skip_count                    | 0
           retry_count                   | 0
           average_retry_count           | 0
           max_retry_count               | 0
           max_health_check_duration     | 5
           min_health_check_duration     | 3
           average_health_check_duration | 4.333333
           last_health_check             | 2020-02-25 16:05:47
           last_successful_health_check  | 2020-02-25 16:05:47
           last_skip_health_check        |
           last_failed_health_check      |

       See Table 27, “Statistics data shown by pool_health_check_stats command” for details of data.

pgpool-II 4.3.7                                       2023                   PGPOOL_ADM_PCP_HEALTH_CHECK_STAT(3)