Created
January 8, 2014 09:22
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Measure time it takes to create and read a file in HDFS
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| $ time dd if=/dev/zero bs=1G count=1 | hadoop fs -put - 1g.bin | |
| 1+0 records in | |
| 1+0 records out | |
| 1073741824 bytes (1.1 GB) copied, 64.4632 s, 16.7 MB/s | |
| real 1m5.239s | |
| user 0m9.560s | |
| sys 0m3.394s | |
| $ time hadoop fs -get 1g.bin - > /dev/null | |
| real 0m16.005s | |
| user 0m3.909s | |
| sys 0m1.798s |
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