-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Robert,
On 01/06/2014 07:46 PM, Robert Edmonds wrote: > W.C.A. Wijngaards wrote: >> However, moving the check after the cache check is not a good >> idea. The localzone and localdata statements are supposed to be >> able to override the DNS contents from the internet. Checking it >> earlier means that this always happens. Messing with cache >> flushes sounds very bad, a query may create a recursive query >> that would then override the configuration and so on, lots of >> complexity as well as worries about giving the 'wrong' answers >> (as compared to the configuration). > > OK, that makes sense. > >> It would be better to optimise the localzone lookup itself >> somehow. Not sure what the best way is, it is visible that it >> uses a rbtree now and that this is slower than the hashtable that >> the other cache employs > > Yes, the problem is not that the localzone lookup occurs first, per > se, but that the localzone lookup causes measurable contention with > other threads. The lock is changed to a rwlock, so that the threads can all acquire the readlock to answer queries. That should reduce contention? The call order is not changed. Best regards, Wouter -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJS4k1tAAoJEJ9vHC1+BF+ND4AP/0sxah6p+TvkzKkRcwollx82 1ZSoaOL2TAWoF0XNS4w633MbzXm2JfndtwlGDWUQe45bptu1w9ZEhMhRysIU02zi uA1r0xvSFBXpby//WiFHDTEPOkj8PH3SMz8L/8uvdksw+Sc8V8+hKAuS7qyaQpCw G1U9BnSCf6K6IQ8Zfcmol+0OfUiGXggzBrzmuTfrf2TFhWk5hNZSnP8gZJ4hY/aS 1f9pGFJReIvL8Zo93BpJJz2h30SVENA7r+8zINynhn3wT11lYsgR9DTxG737HvN7 luLIXxjYZa/iti64I/lfrhb2AIB2v00wewvrR1oBycua+lPEd+PIXQBul0P5UGEC 9BPbadleDwyqpxLDaWZcbOHwZYw64N0PTU3KgzS1kcW+t/adgjXFQ1aVTxWe7251 YWepJLdRlnO8h3Da1hhU+hwBWqlAeNPS8jwf/+lwsXI35CPIFCFXjmIQ5I4x1XOj c9I6kYGDhAYtdG6fNNrNJMnX/0c0AaUWjyPKWuubUjdnDt4xvya6JQRQMwFjxTTs +F0omdKROhhjXdQADiJFj91K8RLq0UvSRJThUG2Ii+n6UdsrK7Lz5ZrooTqgAUn3 exj7FbENcwUQSrXzL/fmB4vpku90FvjGzXyPP1g5peOkoxAneqw72LcinDEoFCRl a+P2XdzCvIxGW91bUjSx =J+zF -----END PGP SIGNATURE----- _______________________________________________ Unbound-users mailing list [email protected] http://unbound.nlnetlabs.nl/mailman/listinfo/unbound-users
