The Account Module uses values from settings in the
of the configuration file.
reconciliation_chunk defines the size of each block of sequential
Account Move Lines that are searched for
Larger chunk sizes allow more lines to be considered together, and sometimes
better matches to be found.
The number of combinations of lines considered, and consequently the search time, increases exponentially along with the chunk size. So you should keep this setting to a relatively low value.
The Reconcile Accounts wizard for details of how this setting is used.
The default value is: