I'm having strange issues with bulk emails since upgrade to 5.48.0. I'm using the traditional mailer, and not Mosaico. These issues do not appear if the list is small (or maybe it's certain configurations?? Maybe it's the use of variables in the template?).

  1. A scheduled mailing does not show in the list. But then I go and flush the cache (cv flush) and it shows up as scheduled.

  2. Have to cancel mailing if it hangs. I have now throttled sending to batches of 200, and then it can manage to go, but takes forever.

  • Are you seeing any errors in your CiviCRM Config and Log file that correspond to when the mailing hangs? May 11, 2022 at 1:53
  • If it works when you limit to 200, you may be hitting memory or processing time limits.
    – Aidan
    May 12, 2022 at 8:43
  • I did not have this problem before upgrade to the current version, so something is creating a new load on the server. I wondered if it was potential handling of lots of errors/warnings.
    – TimETown
    May 12, 2022 at 14:29
  • config/error log when failed before batching: drive.google.com/file/d/1tjKkj8UWS6VFOwAGKKnj3Nnind3jAlX4/… config/error log when mailing sent AFTER batching: drive.google.com/file/d/1XX81BC_9HCI3JpPeq2gqWms7hbBLDW9X/…
    – TimETown
    May 12, 2022 at 14:36
  • We have a similar problem. php_error.log writes: PHP Fatal error: Allowed memory size of 2147483648 bytes exhausted (tried to allocate 20480 bytes) in /html/wordpress/wp-content/plugins/civicrm/civicrm/CRM/Utils/Cache/SqlGroup.php on line 185 @TimETown did you find a solution for that? Jan 20, 2023 at 15:26


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