[BlueOnyx:09456] worker busy

[Barry Mishkind]

Good afternoon.

Starting about two weeks ago, my logwatch file has had some very odd entries. I've never seen it before.
Perhaps someone has seen this and knows what it all means.

Specifically, notes about worker-server being busy:

    dovecot: POP3(bar***): Connection closed top=0/0, retr=0/0, del=0/8, size=55890: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.2xx.xx: All auth workers are busy: 3 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.2xx.xx: All auth workers are busy: 2 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,209.85.1xx.xx: All auth workers are busy: 1 Time(s)
    dovecot: auth(default): worker-server(ba***,108.112.1xx.xx): All auth workers are busy: 6 Time(s)
    dovecot: auth(default): worker-server(ba***,70.171.2xx.xxx): All auth workers are busy: 202 Time(s)
    dovecot: auth(default): worker-server(ma***,174.254.1x.xxx): All auth workers are busy: 5 Time(s)
    dovecot: auth(default): worker-server(ma***,174.254.x.xxx): All auth workers are busy: 11 Time(s)
    dovecot: auth(default): worker-server(ra***,70.171.2xx.xxx): All auth workers are busy: 203 Time(s)
    dovecot: auth(default): worker-server(rarxx,71.118.1xx.xxx): All auth workers are busy: 10 Time(s)
    dovecot: auth(default): worker-server(rarxx,74.10.x.xx): All auth workers are busy: 60 Time(s)
    dovecot: imap-login: Aborted login (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured: 75 Time(s)
    dovecot: pop3-login: Aborted login (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured: 75 Time(s)
 
thanks in advance!