nemski (Patrick Robinson)
- Login: nemski
- Email: therealpatrobinson@gmail.com
- Registered on: 08/14/2015
- Last sign in: 02/04/2016
Issues
| open | closed | Total | |
|---|---|---|---|
| Assigned issues | 0 | 0 | 0 |
| Reported issues | 0 | 1 | 1 |
Activity
02/04/2016
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10:54 PM Ruby Bug #11443: DNS name resolution takes twice as long as it should when primary name server is unavailable
- I retested this again today and could only replicate it on Ubuntu Lucid, not Ubuntu Trusty or Debian Jessie.
08/15/2015
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- Doing an strace I can see the DNS lookup occurs twice (with and without a failing name server):
~~~
[pid 32129] socket(PF_INET, SOCK_DGRAM|SOCK_NONBLOCK, IPPROTO_IP) = 7
[pid 32129] connect(7, {sa_family=AF_INET, sin_port=htons(53),...
08/14/2015
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- On linux /etc/resolv.conf can be configured to set the timeout of a nameserver before trying the next one (defaults to 5 seconds). So in the event of a failed name server we expect the time taken to resolve a hostname will be timeout + q...