<div><div><div dir="auto" style="font-family:'-apple-system',sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">In Unbound, forward-zones (or stub-zones) are stored as leaf elements of the unified red-black tree to maintain delegations for DNS tree.</div><div dir="auto" style="font-family:'-apple-system',sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)"><br></div><div dir="auto" style="font-family:'-apple-system',sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Theoretically, setting up thousands of forward-zones can be considered the same situation that Unbound caches _only_ thousands of delegation information and performance is unlikely to degrade, but performance may vary depending on usage, so you may want to do some performance testing.</div></div></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">A.Schulze via Unbound-users <<a href="mailto:unbound-users@lists.nlnetlabs.nl">unbound-users@lists.nlnetlabs.nl</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex" dir="auto">Hello,<br>
<br>
over the last years I run unbound with zero or a small number of configures forward-zones.<br>
Now, I was asked to configure 1-2 thousand forward-zones. Do I have to be concerned about performance degration?<br>
</blockquote></div></div>