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Posted to issues@trafficcontrol.apache.org by GitBox <gi...@apache.org> on 2021/06/28 18:36:48 UTC

[GitHub] [trafficcontrol] limited opened a new pull request #5979: Lower TR dns.max-threads to 100 to fix crashes and poor performance

limited opened a new pull request #5979:
URL: https://github.com/apache/trafficcontrol/pull/5979


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   ## What does this PR (Pull Request) do?
   This PR reduces the number of DNS threads. The current value of `10000` is too high. When set to `10000` Tomcat may crash due to thread exhaustion. 
   
   ## Which Traffic Control components are affected by this PR?
   - Traffic Router
   
   Individual ansible defaults are not documented. 
   
   ## What is the best way to verify this PR?
   Run the ansible-playbook traffic-router role against a TR. Verify the TR config file `/opt/traffic_router/conf/dns.properties` contains a value of `100` for `dns.max-threads`. 
   
   Automated Tests are not available for ansible code. 
   
   ## If this is a bug fix, what versions of Traffic Control are affected?
   - master 
   
   ## The following criteria are ALL met by this PR
   - [X] This PR includes tests OR I have explained why tests are unnecessary
   - [X] This PR includes documentation OR I have explained why documentation is unnecessary
   - [ ] This PR includes an update to CHANGELOG.md OR such an update is not necessary
   - [X] This PR includes any and all required license headers
   - [X] This PR **DOES NOT FIX A SERIOUS SECURITY VULNERABILITY** (see [the Apache Software Foundation's security guidelines](https://www.apache.org/security/) for details)
   
   
   ## Additional Information
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[GitHub] [trafficcontrol] jhg03a merged pull request #5979: Lower TR dns.max-threads to 100 to fix crashes and poor performance

Posted by GitBox <gi...@apache.org>.
jhg03a merged pull request #5979:
URL: https://github.com/apache/trafficcontrol/pull/5979


   


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[GitHub] [trafficcontrol] jhg03a merged pull request #5979: Lower TR dns.max-threads to 100 to fix crashes and poor performance

Posted by GitBox <gi...@apache.org>.
jhg03a merged pull request #5979:
URL: https://github.com/apache/trafficcontrol/pull/5979


   


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