搭建ES集羣時，啓動ES遇到的幾個錯誤解決辦法

環境：CentOS6.5----ES6.1.3 報錯1： max number of threads [3818] for user [es] is too low, increase to at least [4096] max file descriptors [4096] for elasticsearch process is too low, increase to at least [

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