Hi Eric, Below is my test script and data which are the same as the case description, thanks.
# Test script echo "/- auto.direct --timeout 60" > /etc/auto.master END=20000 for i in $(seq 1 $END); do echo $i; echo "/test/samba/test"$i" -fstype=cifs,rw,username=hua,password=password ://192.168.99.169/share" >> /etc/auto.direct; done # Yakkety with 5.1.1-1ubuntu3 root@yakkety:~# apt-cache policy autofs |grep Installed Installed: 5.1.1-1ubuntu3 root@yakkety:~# time service autofs restart real 1m58.780s user 0m0.012s sys 0m0.016s root@yakkety:~# mount |wc -l 20030 # Yakkety with 5.1.1-1ubuntu4 root@yakkety:~# apt-cache policy autofs |grep Installed Installed: 5.1.1-1ubuntu4 root@yakkety:~# time service autofs restart real 0m6.284s user 0m0.000s sys 0m0.012s root@yakkety:~# mount |wc -l 20030 # Xenail with 5.1.1-1ubuntu3 root@node1:~# apt-cache policy autofs |grep Installed Installed: 5.1.1-1ubuntu3 root@node1:~# time service autofs restart Job for autofs.service failed because a timeout was exceeded. See "systemctl status autofs.service" and "journalctl -xe" for details. real 5m0.397s user 0m0.208s sys 0m0.124s (NOTE: For the out of 'journalctl -xe' pls see: http://paste.ubuntu.com/24953533/ root@node1:~# mount |wc -l 13103 # Xenail with 5.1.1-1ubuntu3.1 root@node1:~# apt-cache policy autofs |grep Installed Installed: 5.1.1-1ubuntu3.1 root@node1:~# time service autofs restart real 0m6.648s user 0m0.004s sys 0m0.000s root@node1:~# mount |wc -l 20038 root@node1:~# time umount -a -t autofs real 10m7.251s user 0m19.476s sys 0m4.436s root@node1:~# mount |wc -l 38 root@node1:~# time service autofs restart real 0m12.967s user 0m0.008s sys 0m0.000s root@node1:~# mount |wc -l 20038 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686679 Title: [SRU] Ubuntu16.04 : autofs is extremely long with large number of direct maps To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/autofs5/+bug/1686679/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
