Chapter 7. Logging statistics per search operation

Procedure

1. Enable search operation metrics:

   # dsconf -D "cn=Directory Manager" instance_name config replace nsslapd-statlog-level=1

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2. Restart the instance:

   # dsctl instance_name restart

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Verification

1. Perform a search operation:

   # ldapsearch -D "cn=Directory Manager" -H ldap://server.example.com -b "dc=example,dc=com" -s sub -x "cn=user*"

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2. View the access log file and find the search statistics records:

   # cat /var/log/dirsrv/slapd-instance_name/access
   ...
   [16/Nov/2022:11:34:11.834135997 +0100] conn=1 op=73 SRCH base="dc=example,dc=com" scope=2 filter="(cn=user)"* attrs=ALL
   [16/Nov/2022:11:34:11.835750508 +0100] conn=1 op=73 STAT read index: attribute=objectclass key(eq)=referral --> count 0
   [16/Nov/2022:11:34:11.836648697 +0100] conn=1 op=73 STAT read index: attribute=cn key(sub)=er_ --> count 25
   [16/Nov/2022:11:34:11.837538489 +0100] conn=1 op=73 STAT read index: attribute=cn key(sub)=ser --> count 25
   [16/Nov/2022:11:34:11.838814948 +0100] conn=1 op=73 STAT read index: attribute=cn key(sub)=use --> count 25
   [16/Nov/2022:11:34:11.841241531 +0100] conn=1 op=73 STAT read index: attribute=cn key(sub)=^us --> count 25
   [16/Nov/2022:11:34:11.842230318 +0100] conn=1 op=73 STAT read index: duration 0.000010276
   [16/Nov/2022:11:34:11.843185322 +0100] conn=1 op=73 RESULT err=0 tag=101 nentries=24 wtime=0.000078414 optime=0.001614101 etime=0.001690742
   ...

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