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courses:mapreduce-tutorial:step-5 [2012/01/31 09:40] straka Change Perl commandline syntax. |
courses:mapreduce-tutorial:step-5 [2012/01/31 15:56] (current) straka |
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| ===== Types of keys and values ===== | ===== Types of keys and values ===== | ||
| - | Currently in the Perl API, the keys and values are both strings, which are stored and loaded using UTF-8 format. If you need more complex structures, you have to serialize and deserialize them by yourselves. | + | Currently in the Perl API, the keys and values are both strings, which are stored and loaded using UTF-8 format |
| The Java API offers a wide range of types, including user-defined types, to be used for keys and values. | The Java API offers a wide range of types, including user-defined types, to be used for keys and values. | ||