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epriestley d3280c406d When repositories hit pull errors, stop updating them as frequently
Summary:
Ref T11665. Currently, when a repository hits an error, we retry it after 15s. This is correct if the error was temporary/transient/config-related (e.g., bad network or administrator setting up credentials) but not so great if the error is long-lasting (completely bad authentication, invalid URI, etc), as it can pile up to a meaningful amount of unnecessary load over time.

Instead, record how many times in a row we've hit an error and adjust backoff behavior: first error is 15s, then 30s, 45s, etc.

Additionally, when computing the backoff for an empty repository, use the repository creation time as though it was the most recent commit. This is a good proxy which gives us reasonable backoff behavior.

This required removing the `CODE_WORKING` messages, since they would have reset the error count. We could restore them (as a different type of message), but I think they aren't particularly useful since cloning usually doesn't take too long and there's more status information avilable now than there was when this stuff was written.

Test Plan:
  - Ran `bin/phd debug pull`.
  - Saw sensible, increasing backoffs selected for repositories with errors.
  - Saw sensible backoffs selected for empty repositories.

Reviewers: chad

Maniphest Tasks: T11665

Differential Revision: https://secure.phabricator.com/D16575
2016-09-19 17:29:56 -07:00
..
builtin Support drag-and-drop to set cover images on workboard cards 2016-02-06 15:58:43 -08:00
celerity Remove old kdb CSS 2016-09-18 18:35:02 -04:00
chatbot Updated the docs so chatbots can use the Conduit API 2016-08-24 19:05:30 -04:00
cows Use PHP implementation of Cowsay for cowsay rule 2015-09-13 12:27:30 -07:00
figlet/custom Include "Figlet" and PEAR "Text_Figlet" in externals 2015-09-13 12:30:48 -07:00
font Made Meme Generator 2013-01-19 18:43:43 -08:00
sprite Add Slack authentication adapter 2016-09-06 15:50:37 +00:00
sql When repositories hit pull errors, stop updating them as frequently 2016-09-19 17:29:56 -07:00
sshd Improve Diffusion hosting setup instructions somewhat? 2016-04-26 10:06:59 -07:00