To install impala in a Docker container (that use Ubuntu 16.04) I followed:
https://cwiki.apache.org/confluence/display/IMPALA/Building+Impala
(Section: Building Impala (for developing Impala)). At some point of the installation I saw:
Does anyone knows what this message is about? I ended pressing my ESC key and :wq to allow the installation to continue but this left me intrigued.
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