共14912997 数据,就一个字段, 平均31bytes, 里面有平均7个token

把字符串按mapping转成integer ; 1 shard

merge后291.4m es cpu time 12m hangout user time 8m search 98ms

string ; 1 shars

merge后325.2m es cpu time 13m10s hangout user time 8m search 120ms

string not analyzed; 1 shars

merge后358.5m search 400ms

string ; 8 shars

es cpu time 12m19s hangout user time 4m