Re: (ITS#7616) syncrepl enhancement: defer requests when refreshing

[michael@stroeder.com]

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hyc@symas.com wrote:
> I was considering returning LDAP_BUSY for this case, but it may make mo=
re=20
> sense to return a REFERRAL to the provider instead. (Although again, if=
 we=20
> have two MMR servers pointed at each other starting at the same time, t=
hey=20
> would just refer to each other and clients would get nowhere until one =
of them=20
> finishes its refresh.)

IMO referrals are harmful.
Just returning LDAP_BUSY seems best to me because if reliable HA is reall=
y
important for a deployment you have decent load-balancers in front of you=
r
LDAP server which should do a proper health-check.

Just a question: Is this database-specific? Maybe only one of several DBs=
 is
in this initial syncrepl phase and access to others should simply work.

Ciao, Michael.



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