Changeset 657 for trunk/pdns/pdns/recursor_cache.cc

Timestamp:

04/05/06 10:17:28 (4 years ago)

Author:

ahu

Message:

sigh - people change their SOA serials a lot these days. PowerDNS tries to store all different SOA records of a domain.
After a few hours you might have as much as 2000 .COM SOA records in your cache, and we try to output them all..

Also, scrounge the cache a bit more for stale entries.

Files:

• trunk/pdns/pdns/recursor_cache.cc (modified) (3 diffs)

trunk/pdns/pdns/recursor_cache.cc

@@ -138 +138 @@
 
   //  cerr<<"storing "<< toLowerCanonic(qname)+"|"+qt.getName()<<"\n";
-  
+
   bool isNew=false;
   if(stored == d_cache.end()) {
@@ -144 +144 @@
     isNew=true;
   }
-
+  
   pair<vector<StoredRecord>::iterator, vector<StoredRecord>::iterator> range;
 
   StoredRecord dr;
   CacheEntry ce=*stored;
+
+  if(qt.getCode()==QType::SOA || qt.getCode()==QType::CNAME)  // you can only have one (1) each of these
+    ce.d_records.clear();
+
 
   for(set<DNSResourceRecord>::const_iterator i=content.begin(); i != content.end(); ++i) {
@@ -239 +243 @@
     lookAt=5*toTrim;
   else
-    lookAt=10000;
+    lookAt=0.02 * cacheSize;