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Debian GNU/Linux Reference Guide
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7.3.2 Intervalli di flush del disco rigido

Potete modificare gli intervalli di flush mediante il filesystem proc. Quanto segue riduce gli intervalli dai cinque secondi predefiniti ad un secondo.

     # echo "40 0 0 0 100 30000 60 0 0"  > /proc/sys/vm/bdflush

Ci� pu� avere un minimo impatto negativo nella performance I/O. Per� assicura il contenuto dei file, tranne che per l'ultimo secondo, pi� breve dei cinque predefiniti. Questo � vero anche per i filesystem journaled.


Debian GNU/Linux Reference Guide
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