擅长:python、mysql、java
<p>正如另一个问题<a href="https://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas">"Large data" work flows using pandas</a>所建议的,dask(<a href="http://dask.pydata.org" rel="nofollow noreferrer">http://dask.pydata.org</a>)可能是一个简单的选择。在</p>
<p>简单的例子</p>
<pre><code>import dask.dataframe as dd
df1 = dd.read_csv('df1.csv')
df2 = dd.read_csv('df2.csv')
df_merge = dd.merge(df1, df2, how='left')
</code></pre>