【erlang dets】

shijiang1130

1. 22>  {ok,F}=dets:open_file(test,[{type,set},{auto_save,10}]).
   
2. {ok,test}
   
3. 23> [dets:insert(F,{{seq,A},"88888888"}) || A <- lists:seq(1,10000000)].
   

复制代码

shijiang1130

5> dets:info(test).
[{type,set},
{keypos,1},
{size,890113},
{file_size,60069308},
{filename,"test"}]
6> dets:info(test).
[{type,set},
{keypos,1},
{size,892183},
{file_size,60210046},
{filename,"test"}]
7> dets:info(test).
[{type,set},
{keypos,1},
{size,894023},
{file_size,60336316},
{filename,"test"}]
8> dets:info(test).
[{type,set},
{keypos,1},
{size,895633},
{file_size,60446718},
{filename,"test"}]
9> dets:info(test).
[{type,set},
{keypos,1},
{size,897473},
{file_size,60572798},
{filename,"test"}]
10> dets:info(test).
[{type,set},
{keypos,1},
{size,898393},
{file_size,60636092},
{filename,"test"}]
11> dets:info(test).
[{type,set},
{keypos,1},
{size,910353},
{file_size,61461118},
{filename,"test"}]
12>