Repository: hadoop Updated Branches: refs/heads/branch-2 853e1e694 -> e485ace0d
HADOOP-13616. Broken code snippet area in Hadoop Benchmarking. Contributed by Kai Sasaki. (cherry picked from commit 7cad7b704644f260688eb0d4d92413f3a8630f25) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/e485ace0 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/e485ace0 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/e485ace0 Branch: refs/heads/branch-2 Commit: e485ace0dd30c684d3432c49ccc20496270f7aea Parents: 853e1e6 Author: Akira Ajisaka <[email protected]> Authored: Thu Sep 15 23:40:00 2016 +0900 Committer: Akira Ajisaka <[email protected]> Committed: Thu Sep 15 23:43:20 2016 +0900 ---------------------------------------------------------------------- .../hadoop-common/src/site/markdown/Benchmarking.md | 1 + 1 file changed, 1 insertion(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/e485ace0/hadoop-common-project/hadoop-common/src/site/markdown/Benchmarking.md ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/Benchmarking.md b/hadoop-common-project/hadoop-common/src/site/markdown/Benchmarking.md index 678dcee..ebd7086 100644 --- a/hadoop-common-project/hadoop-common/src/site/markdown/Benchmarking.md +++ b/hadoop-common-project/hadoop-common/src/site/markdown/Benchmarking.md @@ -91,6 +91,7 @@ When running benchmarks with the above operation(s), please provide operation-sp The benchmark measures the number of operations performed by the name-node per second. Specifically, for each operation tested, it reports the total running time in seconds (_Elapsed Time_), operation throughput (_Ops per sec_), and average time for the operations (_Average Time_). The higher, the better. Following is a sample reports by running following commands that opens 100K files with 1K threads against a remote name-node. See [HDFS scalability: the limits to growth](https://www.usenix.org/legacy/publications/login/2010-04/openpdfs/shvachko.pdf) for real-world benchmark stats. + ``` $ hadoop org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark -fs hdfs://nameservice:9000 -op open -threads 1000 -files 100000 --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
