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mdespriee/stream_to_hdfs.sh

Created March 16, 2017 11:29
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stream data in/out of hdfs through a edge node
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stream_to_hdfs.sh
ssh edge_node "hdfs dfs -cat /some/path/part-*" | cat > file
cat file | ssh edge_node "hdfs dfs -put - /target/path"
# think of using a named pipe (mkfifo) to sream directly for application output
rm -f stream
mkfifo stream
some_app > stream &
cat stream | ssh edge_node "hdfs dfs -put - /target/path"
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