Man page - pgpool_adm_pcp_health_check_stats(3)

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Manual

PGPOOL_ADM_PCP_HEALTH_CHECK_STAT

NAME
SYNOPSIS
DESCRIPTION
ARGUMENTS
EXAMPLE

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_idĀ integer , out hostĀ text , out portĀ integer , out statusĀ text , out roleĀ text , out last_status_changeĀ timestamp , out total_countĀ bigint , out success_countĀ bigint , out fail_countĀ bigint , out skip_countĀ bigint , out retry_countĀ bigint , out average_retry_countĀ bigint , out max_retry_countĀ bigint , out max_health_check_durationĀ bigint , out min_health_check_durationĀ bigint , out average_health_check_durationĀ float4 , out last_health_checkĀ timestamp , out last_successful_health_checkĀ timestamp , out last_skip_health_checkĀ timestamp , out last_failed_health_checkĀ timestamp );

pcp_health_check_stats returns record(integer node_id , text pcp_server , out node_idĀ integer , out hostĀ text , out portĀ integer , out statusĀ text , out roleĀ text , out last_status_changeĀ timestamp , out total_countĀ bigint , out success_countĀ bigint , out fail_countĀ bigint , out skip_countĀ bigint , out retry_countĀ bigint , out average_retry_countĀ bigint , out max_retry_countĀ bigint , out max_health_check_durationĀ bigint , out min_health_check_durationĀ bigint , out average_health_check_durationĀ float4 , out last_health_checkĀ timestamp , out last_successful_health_checkĀ timestamp , out last_skip_health_checkĀ timestamp , out last_failed_health_checkĀ 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 TableĀ 29, ā€œStatistics data shown by pool_health_check_stats commandā€ for details of data.