hit-lacus edited a comment on issue #1166: Prepare DebugTomcat and Integration Test in Hadoop3 Env URL: https://github.com/apache/kylin/pull/1166#issuecomment-603287165 # Discussion ### Why use docker other than vm? ### Why choosing this HDP3 docker image, why not use a small and custom one? Following is the pros and cons of why I choose this HDP3 docker image: #### Pros - It is the only all-in-one official(for official, I means **hortonworks** and **cloudera**) Hadoop3 docker image I could find, I think it should be well-test by **hortonworks** teams. - Custom hadoop docker may lack (compared to HDP image): - Easy service monitor - Easy configuration modify - Standard hadoop layout (meet the convention) - More mature combination #### Cons - The image is really big(27 GB), it not easy to download or distribute/share it. - Docker may has some unexpected problems which is annoying, but I will do my best to document them. #### Plan I will try reduce its size after everything is done.
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