In Drupal 7 we could call the drush migrate-import command with a performance measuring instrument. It displays a table of time spent in each migration step.
I was working on implementing the performance measuring instrument into the Drupal migration subsystem where most of the changes are. As the drush mim command has to be extended with --instrument argument, a few changes are also required in this module.
IMPORTANT: This improvement can be applied only with changes in the related Drupal core issue ( Add support for migrate instrument (performance measurement) ✨ Add support for migrate instrument (performance measurement) Needs work ).
command: drush mim blog --limit=5 --update --instrument
See the related issue (3333809) or README.txt for the result table columns explanation.
Needs review
6.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I fixed tests here and in the Drupal migrate subsystem. It should be ready to review now.
I was trying to reroll the patch the the fork, but failed to do it
attached is the re-roll against the latest 6.0.x