> > Hello, > > Does it make any sens to enable indexing of any attribute on read-only > slave syncrepl replica? I mean, isn't it just waste of resources, or, > actually, is not a waste a resources at all, since replica is read-only > and does not write anything anyway? This, I think, apply to any version of > openldap.
Indexes speed up reads and slow down writes. That's why they are especially useful on replicas. p.