https://bugs.openldap.org/show_bug.cgi?id=9641
Issue ID: 9641
Summary: accesslog when logging failed operations interferes
with deltasync
Product: OpenLDAP
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: replication
Severity: normal
Priority: ---
Component: slapd
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Take delta-MPR setup and accesslog configured with logsuccess off. We encounter
a conflicting write (one that fails to apply in the DB) and fall back to plain
syncrepl. Since we are configured to log that write, syncprov sees it (it is a
failure, so doesn't match filter, which should contain reqResult=0) and sends a
LDAP_SYNC_NEW_COOKIE with that CSN to our delta-consumers. While we apply this
write locally in the fallback session, the consumers will skip what they see as
a duplicate and lose the change.
My understanding is that for failed operations, we should ignore the CSN we
received with the operation and instead set up a new one (with our own sid).
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