<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hello, <div><br></div><div>We have implemented Unbound + RPZ filtering in our firewall and are seeing some "strange" behaviour. </div><div><br></div><div>Just after loading our RPZ zones (8.9 millions records) we are seeing CPU raise to 50% (two Cores VM), and RAM being progressively "populated" with the records I guess. </div><div><br></div><div><img src="cid:4E95C560-A542-4ECD-9E54-6AC7D7F0F7DA" alt="5ed90acafcb4795d1a34da14ca263b992818379ecc192f93784986c5705d7524.png"></div><div><br></div><div>So this is kind of normal, the loading takes about 1' on our standard VM</div><div><br></div><div>Then after an undefined amount of time (couple of hours AFAICT), the memory starts to drop again as if the RAM is being freed or optimised somewhere on the process. </div><div>So we are getting back to quite low memory fingerprint, despite the filtering still being active. </div><div><br></div><div><img src="cid:92CDB8C2-703B-43F2-AD7C-357A0E573A55" alt="a6e7ebf7c39aa3f53ac4fb5e7ea7bf947de20c2c66c528e80d9aa30863f70438.png"></div><div><br></div><div>Can anyone help us better understand how this process is working ? </div><div>Is there a way to directly trigger the process to free the RAM after zones are being loaded ? </div><div><br></div><div>These tests have been done using v.1.17.0 and we will follow up testing with 1.17.1 this afternoon (FreeBSD based). </div><div><br></div><div><br></div><div>Thanks. </div><div><br><div>
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