Why does CLOSE_WAIT connection remian on ldap for a long time ?
Issue
Some CLOSE_WAIT connections on ldap remain for a long time like below.
# netstat -ap|grep idms
tcp 76 0 znews-l003.t.rd.aaaa:27175 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 15708/httpd
tcp 76 0 znews-l003.t.rd.aaaa:11781 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 7139/httpd
tcp 76 0 znews-l003.t.rd.aaaa:11783 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 7138/httpd
tcp 76 0 znews-l003.t.rd.aaaa:11782 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 7140/httpd
tcp 76 0 znews-l003.t.rd.aaaa:11785 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 7142/httpd
tcp 76 0 znews-l003.t.rd.aaaa:11784 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 7141/httpd
tcp 0 0 znews-l003.t.rd.aaaa:54275 idmst5.t.rd.aaaa.com:ldap TIME_WAIT -
tcp 0 0 znews-l003.t.rd.aaaa:54274 idmst5.t.rd.aaaa.com:ldap TIME_WAIT -
tcp 0 0 znews-l003.t.rd.aaaa:54277 idmst5.t.rd.aaaa.com:ldap TIME_WAIT -
tcp 0 0 znews-l003.t.rd.aaaa:54276 idmst5.t.rd.aaaa.com:ldap TIME_WAIT -
tcp 0 0 znews-l003.t.rd.aaaa:53834 idmst5.t.rd.aaaa.com:ldap ESTABLISHED 3070/automount
tcp 76 0 znews-l003.t.rd.aaaa:46757 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 3225/mysqld
tcp 76 0 znews-l003.t.rd.aaaa:46756 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 3143/ntpd
tcp 76 0 znews-l003.t.rd.aaaa:46758 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 3322/xfs
tcp 76 0 znews-l003.t.rd.aaaa:38645 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 11540/httpd
tcp 76 0 znews-l003.t.rd.aaaa:38644 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 11537/httpd
tcp 76 0 znews-l003.t.rd.aaaa:38646 idmst5.t.rd.aaaa.com:ldap CLOSE_WAIT 11541/httpd
Environment
- Red Hat Enterprise Linux All Verisons
- openldap-clients
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