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May 1, 2020

• CHANGE: The List-Id email header now includes the group id, to better help us parse FBL reports.

April 24, 2020

• CHANGE: We now automatically delete drafts that are older than two weeks.
• INTERNAL: We now reuse SMTP connections when sending email to major providers, instead of opening a new connection for each email.
• INTERNAL: On advice from Comcast, subscribed to the Comcast FBL, along with several other FBLs.
• SYSADMIN: Upgraded the kernel in the main database machine to a more recent version.
• INTERNAL: Added grafana annotations to all cronjobs.
• SYSADMIN: Reduced comcast.net karld concurrency from 10 to 5.
• INTERNAL: Improved our email monitoring dashboards to better track when providers are not accepting email from us.
• INTERNAL: Optimized forcesummaries some more (and again fixed its use of replicas).
• INTERNAL: Use db replicas for wiki queries.
• INTERNAL: Use db replicas for some auth queries.
• SYSADMIN: Upgraded the kernel in db replica machines to a more recent version.
• SYSADMIN: Changed when we run the stats process on db05.
• SYSADMIN: Added pg_stats_activity counts for db04/db05.
• SYSADMIN: Reduced comcast.net karld concurrency from 20 to 10.
• SYSADMIN: Reduced cox.net karld concurrency from 10 to 5.
• INTERNAL: Optimized the replacement of email addresses in messages with links to user profiles.
• INTERNAL: Fixed some database indices.
• SYSADMIN: Adjusted main database parameters to deal with the current load.
• SYSADMIN: Moved pgbouncer off main database machine to its own dedicated instance.