+ History: this configuration value was introduced in notmuch 0.32.
+
+ Default: See HOOKS, below.
+
+**database.autocommit**
+
+ How often to commit transactions to disk. `0` means wait until
+ command completes, otherwise an integer `n` specifies to commit to
+ disk after every `n` completed transactions.
+
+ History: this configuration value was introduced in notmuch 0.33.
+