61c3cdc706
Since the host name is derived from the app name, which can contain arbitrary characters, it needs to be sanitized so that only valid characters are allowed. On top of that, take extra care that truncation doesn't leave characters that are valid except at the start of a host name. Closes #23781 from vanzin/SPARK-24894. Authored-by: Marcelo Vanzin <vanzin@cloudera.com> Signed-off-by: Marcelo Vanzin <vanzin@cloudera.com> |
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