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Nils Goroll authored
The shard director had the limitation to only support adding/removing backends of one instance before `.reconfigure()` on that instance had to be called, then the next instance could be changed. This limitation came from the time when it was still unclear that calling `VRT_priv_task()` on a per-object pointer was the accepted interface for per-instance privs (varnish historians' recommended read: https://github.com/varnishcache/varnish-cache/wiki/VIP1:-PRIV_*-visibility-and-lifetime-control ) It is about time to lift that limitation now. o/ Dridi