be very fast when parsing the known iso8601 date format

[jsvd]

From 9.2% total time:

To ~1.3%:

[elasticmachine]

💔 Build Failed

• Buildkite Build
• Commit: 71b5984

Failed CI Steps

• :rspec: Ruby unit tests
• :rspec: Ruby unit tests
• :rspec: Ruby unit tests
• :rspec: Ruby unit tests
• :java: Java unit tests
• :java: Java unit tests
• :java: Java unit tests
• :java: Java unit tests

History

[jsvd]

of course this breaks a few scenarios like nanos vs micros. but worth exploring.

[mergify]

This pull request does not have a backport label. Could you fix it @jsvd? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-8./d is the label to automatically backport to the 8./d branch. /d is the digit.
• backport-8.x is the label to automatically backport to the 8.x branch.

[mergify]

backport-8.x has been added to help with the transition to the new branch 8.x.
If you don't need it please use backport-skip label.