I recently updated from 0.8.x to 0.9.2.  fail2ban-server is now consuming a
gig+ of memory in my server.  Before it was tiny fraction of this.

I thought fail2ban just did a sort of complex grep though the tail of the
logs.  Why would it need to keep huge amounts of data in memory?  Things
are working fine but it's a huge resource hog.  Is there something I can do
to reduce it's memory footprint without breaking something?

I have this in my jail.local:

# 90 days
bantime  = 7776000
# 10 days
findtime = 864000
maxretry = 6

and I have the following jails enabled:

[sshd]
enabled  = true
[sshd-ddos]
enabled  = true
[pam-generic]
enabled  = true
[apache-auth]
enabled  = true
[apache-badbots]
enabled  = true
[apache-noscript]
enabled  = true
[apache-overflows]
enabled  = true
[apache-nohome]
enabled  = true
[apache-botsearch]
enabled  = true
[apache-fakegooglebot]
enabled  = true
[apache-modsecurity]
enabled  = true
[apache-shellshock]
enabled  = true
[sendmail]
enabled  = true
[sendmail-auth]
enabled  = true
[sendmail-reject]
enabled  = true
[dovecot]
enabled = true
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