Config.cs

using System.Collections.Generic;

namespace FTServer
{

    //Default for 4GB Setting
    public class Config
    {

        public static long mb(long len)
        {
            return 1024L * 1024L * len;
        }
        public static readonly long lowReadonlyCache = Config.mb(8);

        public static readonly long DSize = 1L;

        //only index description, not full text, faster indexing    
        //if wanting more Pages, dotn't care the content, set it to True
        public static bool DescriptionOnly = false;

        public static long Index_CacheLength = mb(800L) / DSize;

        //this should set bigger than 500MB. 
        //for DescriptionOnly, it can set bigger, because it might load Only 10% to Memory 
        public static long SwitchToReadonlyIndexLength = mb(750L * (DescriptionOnly ? 3 : 1)) / DSize;

        //Readonly Cache after Switch One Database To Readonly
        public static long Readonly_CacheLength = SwitchToReadonlyIndexLength / 23L;

        //How Many Readonly Databases Having long Cache
        //Set 1000 MB Readonly Index Cache
        public static long Readonly_MaxDBCount = mb(1000) / Readonly_CacheLength / DSize;

        public static long ShortCacheLength = mb(32L * (DescriptionOnly ? 2 : 1));

        //HTML Page Cache, this should set bigger, if having more memory. 
        public static long ItemConfig_CacheLength = mb(256);
        public static int ItemConfig_SwapFileBuffer = (int)mb(20);

        //this should less than 1/2 MaxMemory
        public static long minCache()
        {
            return Index_CacheLength + Readonly_CacheLength * Readonly_MaxDBCount + ItemConfig_CacheLength
                    + ItemConfig_SwapFileBuffer * 2;
        }

    }


}