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Encryption of shuffle files #16885

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6 changes: 1 addition & 5 deletions docs/security.md
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Expand Up @@ -28,11 +28,7 @@ If your applications are using event logging, the directory where the event logs
## Encryption

Spark supports SSL for HTTP protocols. SASL encryption is supported for the block transfer service
and the RPC endpoints.

Encryption is not yet supported for data stored by Spark in temporary local storage, such as shuffle
files, cached data, and other application files. If encrypting this data is desired, a workaround is
to configure your cluster manager to store application data on encrypted disks.
and the RPC endpoints. Shuffle files can also be encrypted if desired.

### SSL Configuration

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