Claus Guttesen wrote:
Ubuntu 7.10:grep "transactions:" sysbench-clients-24|sort transactions: 10000 (2354.49 per sec.) transactions: 10001 (2126.28 per sec.) transactions: 10001 (2215.52 per sec.) transactions: 10001 (2236.03 per sec.) FreeBSD 7.0 stable as of Jan. 28'th: grep "transactions:" sysbench-clients-24|sort transactions: 10001 (1600.36 per sec.) transactions: 10002 (1963.95 per sec.) transactions: 10005 (1973.17 per sec.) In other runs FreeBSD also seems to trail Ubuntu. Are there any knobs I could try on FreeBSD?
I think the excellent results Kris got with FreeBSD were significantly helped by patching postgresql to remove setproctitle(). Other than that, from the sysbench line I see this is OLTP benchmark which should mean a lot of write transactions, and I've consistently seen much better file system write performance on Linux than on FreeBSD. No tuning can help here.
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