>Still trying to reproduce this issue. >So far, I found a workaround, that dramatically reduce flush process >activity: Using nilfs-tune utility, set "commit interval of segment" >parameter to default zero value. Hmm, the default value of this parameter is zero. Have you changed it with the nilfs-tune tool by some chance ? Regards, Ryusuke Konishi -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html