I suggest to add a new configuration parameter to htdig:

sort_buffer (or something similar)

It should be used for the configuration of the system sort that is invoked during the dig and merge run.

We did some tests with htdig-3.1.6 and observed that the system sort (RedHat) uses the size of the free memory to define its buffer size.
But on large server systems there is sometimes a lot of unused memory assigned to cache that can be used by sort.


By using sort_buffer to configure the --buffer-size of the sort calls it is possible to increase the performance of sort. And it can be used to restrict sort on small machines.

Berthold Cogel

--
Dr. rer. nat. Berthold Cogel                   University of Cologne
E-Mail: [EMAIL PROTECTED]                 ZAIK-US (RRZK)
Tel.:   +49(0)221/478-7020                     Robert-Koch-Str. 10
FAX:    +49(0)221/478-5568                     D-50931 Cologne - Germany




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