Hey guys,
I have a mail server (cyrus+posfix) running on tsl 3.0 authenticating
users from Active Directory via ldap. I started using nscd the other
day, and it helped with the response time for logging in. However, I've
noticed something that I wanted to see if anyone has any other ideas on.
nscd -g reports: (passwd cache is all I'm really interested in for now)
passwd cache:
cache is enabled
cache is persistent
cache is shared
211 suggested size
216064 total data pool size
215232 used data pool size
600 seconds time to live for positive entries
20 seconds time to live for negative entries
159722 cache hits on positive entries
277 cache hits on negative entries
19366 cache misses on positive entries
29953 cache misses on negative entries
76% cache hit rate
2433 current number of cached values
2449 maximum number of cached values
28 maximum chain length searched
13 number of delays on rdlock
2 number of delays on wrlock
49800 memory allocations failed
check /etc/passwd for changes
Notice the large number of memory allocations failed... I've incremented
the "suggested size" from 211 to 10007 in the conf file and restarted the
service, but it hasn't changed it at all for the service itself (still
reports 211). Is there anything else I need to be aware of? Here's my
nscd.conf as it currently sits:
logfile /var/log/nscd.log
threads 10
max-threads 128
# server-user nobody
# stat-user somebody
debug-level 0
# reload-count 5
paranoia no
# restart-interval 3600
enable-cache passwd yes
positive-time-to-live passwd 600
negative-time-to-live passwd 20
suggested-size passwd 10007
check-files passwd yes
persistent passwd yes
shared passwd yes
enable-cache group yes
positive-time-to-live group 3600
negative-time-to-live group 60
suggested-size group 10007
check-files group yes
persistent group yes
shared group yes
enable-cache hosts yes
positive-time-to-live hosts 3600
negative-time-to-live hosts 20
suggested-size hosts 10007
check-files hosts yes
persistent hosts yes
shared hosts yes
Thanks in advance,
Mike
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