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Thanks for the suggestion. It is odd that if I client directly to the Directory Server and not the Directory Proxy, then the name-service-cache problems don't exist. The Proxy and Directory Server are on the same server.
I didn't see anything obvious in the access logs.
Edited by: 957466 on Sep 6, 2012 1:30 PM
The fact readconnectionsrefused increases seems to indicate that the problem is between the proxy and the backend server.
For some reasons, DPS cannot grab a valid connection to forward the traffic to the directory server.
DPS uses connection pooling, so it may be negatively impacted when the directory server is configured to drop idle connections after a while.
Could you please check whether the directory server is configured to drop inactive connection after 15mn ? If this is the case, this would explain the issue and then we could
devise the best solution to address it.
See idle-timeout property in http://docs.oracle.com/cd/E19424-01/820-4813/idle-timeout-5dsconf/index.html
The idle-timeout on DSEE was set to none, which I believe is the default. I tried setting it to 1200 and 2400 seconds without success.
client-affinity-bind-dn-filters : any
client-affinity-criteria : connection
client-affinity-ip-address-filters : any
client-affinity-policy : write-affinity-after-write
client-affinity-timeout : 20s
description : -
enable-client-affinity : false
load-balancing-algorithm : proportional
minimum-total-weight : 100
proportion : 100
sample-size : 100
bind-dn : none
bind-pwd : none
client-cred-mode : use-client-identity
connect-timeout : 10s
description : -
down-monitoring-interval : inherited
is-enabled : true
is-read-only : false
ldap-address : localhost
ldap-port : ldap
ldaps-port : ldaps
monitoring-bind-dn : none
monitoring-bind-pwd : none
monitoring-bind-timeout : 5s
monitoring-entry-dn : ""
monitoring-entry-timeout : 5s
monitoring-inactivity-timeout : 2m
monitoring-interval : 30s
monitoring-mode : proactive
monitoring-retry-count : 3
monitoring-search-filter : (objectClass=*)
monitoring-search-scope : base
num-bind-incr : 10
num-bind-init : 2
num-bind-limit : 1024
num-read-incr : 10
num-read-init : 2
num-read-limit : 1024
num-write-incr : 10
num-write-init : 2
num-write-limit : 1024
proxied-auth-use-v1 : false
ssl-policy : never
use-read-connections-for-writes : false
use-tcp-keep-alive : true
use-tcp-no-delay : true