yohei-a https://blog.hatena.ne.jp/yohei-a/ ablog https://yohei-a.hatenablog.jp/ Hadoop データをコピーする $ s3-dist-cp --src s3://amazon-reviews-pds/parquet/ --dest /amazon-reviews-pds/parquet/ $ hadoop fs -ls /amazon-reviews-pds/parquet/|head -10 Found 43 items drwxr-xr-x - hadoop hadoop 0 2018-09-29 20:12 /amazon-reviews-pds/parquet/product_category=Apparel drwxr-xr-x - hadoop hadoop 0 2018-… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20180929%2F1538247083" title="Prestoでparquetファイルにクエリをかける - ablog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/y/yohei-a/20180930/20180930153032.png Hatena Blog https://hatena.blog 2018-09-29 03:51:23 rich https://yohei-a.hatenablog.jp/entry/20180929/1538247083 1.0 100%