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  1. Traffic Server
  2. TS-1916

There are cases where hostdb does not reference a ttl of nameserver.

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Cannot Reproduce
    • None
    • sometime
    • DNS
    • None

    Description

      hostdb is set as follows:
      CONFIG proxy.config.hostdb.ttl_mode INT 0
      CONFIG proxy.config.hostdb.timeout INT 1

      If response of dns the next,ATS queries the DNS every 30 seconds.

      $ dig foo.bar.com. A
      ;; ANSWER SECTION:
      foo.bar.com. 30 IN A 10.10.10.1

      If ttl is reduced as follow:, ATS will query the DNS every 10 seconds.

      $ dig foo.bar.com. A
      ;; ANSWER SECTION:
      foo.bar.com. 300 IN A 10.10.10.1

      However, if it increased the value of ttl, ATS has continued to query DNS every 10 seconds.

      $ dig foo.bar.com. A
      ;; ANSWER SECTION:
      foo.bar.com. 300 IN A 10.10.10.1

      However, is adapted then HUP the traffic_server...
      Why??

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            Unassigned Unassigned
            ishioka ishioka keiichi
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            Dates

              Created:
              Updated:
              Resolved: