spark集群中的节点可以只处理自身独立数据库里的数据,然后汇总吗? 修改 我将spark搭建在两台机器上,其中一台既是master又是slave,另一台是slave,两台机器上均装有独立的mongodb数据库.我是否可以让它们只统计自身数据库的内容,然后将结果汇总到一台服务器上的数据库里?目前我的代码如下,但是最终只统计了master里的数据,另一个worker没有统计上. val config = new Configuration() //以下代码表示只统计本机数据库上的数据,猜测问题可能…
Section 1: Introduction The input files required (using their default file names): prmtop - a file containing a description of the molecular topology and the necessary force field parameters. inpcrd (or a restrt from a previous run) - a file containi…
详细请见AMBER官方文档第18章第6节(18.6) Amber16.pdf The settings can be summarized as follows: imin=1 Choose a minimization run ntx=1 Read coordinates but not velocities from ASCII formatted Inpcrd coordinate file irest=0 Do not restart simulation maxcyc=2000 Ma…
1. Can I use lammps to chemical reaction systems?Please note that you can only get as good an answer as you question is. nobody can tell without knowing what kind of chemical reaction. most likely not.In most cases that i know of you need to do ab in…