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repmgrd: ensure potentially open connections are closed

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When recovering from degraded state in local node monitoring, in some
cases a new connection was opened to the local node without closing
the old one, which will result in memory leakage.
This commit is contained in:
zhouhj43183
2022-01-04 12:22:09 +09:00
committed by Ian Barwick
parent d0add49c84
commit 820d972d41
1 changed files with 7 additions and 1 deletions
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8
repmgrd-physical.c
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@@ -585,6 +585,7 @@ monitor_streaming_primary(void)
if (is_server_available(local_node_info.conninfo) == true)
{
close_connection(&local_conn);
local_conn = establish_db_connection(local_node_info.conninfo, false);
if (PQstatus(local_conn) != CONNECTION_OK)
@@ -1813,7 +1814,10 @@ monitor_streaming_standby(void)
if (upstream_check_result == true)
{
if (config_file_options.connection_check_type != CHECK_QUERY)
{
close_connection(&upstream_conn);
upstream_conn = establish_db_connection(upstream_node_info.conninfo, false);
}
if (PQstatus(upstream_conn) == CONNECTION_OK)
{
@@ -2546,8 +2550,10 @@ monitor_streaming_witness(void)
if (check_upstream_connection(&primary_conn, upstream_node_info.conninfo, NULL) == true)
{
if (config_file_options.connection_check_type != CHECK_QUERY)
{
close_connection(&primary_conn);
primary_conn = establish_db_connection(upstream_node_info.conninfo, false);
}
if (PQstatus(primary_conn) == CONNECTION_OK)
{
PQExpBufferData event_details;