Greetings, I've been trying to migrate about 25K e-mails to Notmuch, and I'm seeing some frustrating performance characteristics that don't seem to match with the experience others report. I'm dumping messages from Thunderbird in batches and then running `notmuch new` to add each batch to the database. The indexing performance remains okay, at more than 200 per second, but after Notmuch has reported it's finished indexing, it hangs for as much as several minutes before exiting. A stack trace confirms that this is Xapian committing the database, with most of the time seemingly spent in `fdatasync`. The time spent grows with the size of the database, not the number of e-mails being imported, which means this will remain a problem during day-to-day usage. Has nobody else had a problem like this? Is my setup just weird? I'm using Notmuch 0.29.3 from the Arch community repository, with Xapian 1.4.14 also from Arch repositories. I am using a spinning-platter hard disk, but I find it hard to believe that an SSD is required to get Xapian to perform well at this scale. Please let me know if you have any performance pointers or can help me investigate this further. Many thanks! Matthew Schauer _______________________________________________ notmuch mailing list notmuch@notmuchmail.org https://notmuchmail.org/mailman/listinfo/notmuch