Public bug reported: I see this in bind logs constantly. The machine is a machine with 88 procs, and about 132 GB ram. https://kb.isc.org/docs/aa-00508 sheds some light on the issues, which require re-compilation of bind9.
Apr 07 12:01:54 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:01:59 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:01 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:02 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:03 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:03 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:04 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:05 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:05 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:06 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:06 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:07 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:07 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:08 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:09 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:09 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:02:23 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:10 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:12 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:20 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:27 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:33 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:57 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:58 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:03:59 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received Apr 07 12:04:00 maas2 named[373]: sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received lines 1-27 ** Affects: bind9 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1827923 Title: Constant sockmgr 0x7fa0b8b0a010: maximum number of FD events (64) received To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1827923/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs