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[SPARK-11670] Fix incorrect kryo buffer default value in docs #9638

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[SPARK-11670] Fix incorrect kryo buffer default value in docs #9638

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4 changes: 2 additions & 2 deletions docs/tuning.md
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Expand Up @@ -61,8 +61,8 @@ The [Kryo documentation](https://github.com/EsotericSoftware/kryo) describes mor
registration options, such as adding custom serialization code.

If your objects are large, you may also need to increase the `spark.kryoserializer.buffer`
config property. The default is 2, but this value needs to be large enough to hold the *largest*
object you will serialize.
[config](configuration.html#compression-and-serialization). This value needs to be large enough
to hold the *largest* object you will serialize.

Finally, if you don't register your custom classes, Kryo will still work, but it will have to store
the full class name with each object, which is wasteful.
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