On 04/29/2015 03:17 PM, Martin (Lists) wrote:
Am 27.04.2015 um 09:45 schrieb Ludwig Krispenz:
On 04/26/2015 10:49 AM, Martin (Lists) wrote:

after a reboot I get almost thousand of the following messages:

DSRetroclPlugin - delete_changerecord: could not delete change record
128755 (rc: 32)
this message comes from changeglog trimming and means that an entry,
which should be purged does not exist (any more).
the retrocl maintains a first/lastchange and trinming starts at
firstchange. if for some reason (race ?) there is an attempt to try to
delete the same entry a second time this message should be logged.
since the changenumbers in the error message increases, I think
changelog trimming moves forward. you could do searches on
"cn=changelog" to verify that trimming works.
changelog is part of the ldbm database plugin and contains several
informations I don't understand (or understand partially). What kind of
information should I look for?
the changelog keeps track of the changes applied to the database, a typical entry looks like:
dn: changenumber=4,cn=changelog
objectClass: top
objectClass: changelogentry
changeNumber: 4
targetDn: cn=tuser,ou=people,dc=example,dc=com
changeTime: 20140411093444Z
changeType: delete

each entry gets a DN made up from he changenumber, so your entries will be named:
dn: changenumber=61,cn=changelog
dn: changenumber=62,cn=changelog
dn: changenumber=63,cn=changelog
dn: changenumber=64,cn=changelog
changenumbers start and are always incremented, changelog trimming removes old entries (depending on config).

so if you do a search like:
ldapsearch .................. -b "cn=changelog"
the changenumber of the first entry rerurne should always increase, indicating that trimming works.

you said "thousands" of messages, how frequent are they really ?

I only have one server running by the way.


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