Not sure if it's helpful or not, but these are the process that have something open from /var/cache/nscd/ :
amavisd-n anvil apache2 bash cron dbus-daem dhcpd3 dovecot-a imap login mailmanct master named nrpe nscd ntpd pickup qmgr saslauthd slapd smbd smtpd sshd su tlsmgr verify -- To UNSUBSCRIBE, email to debian-glibc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org