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Posted to commits@doris.apache.org by mo...@apache.org on 2023/06/30 01:27:25 UTC
[doris] branch master updated: [docs]Add file system benchmark tools docs (#21262)
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new 6d63261b71 [docs]<docs>Add file system benchmark tools docs (#21262)
6d63261b71 is described below
commit 6d63261b71fbe82eccebe5249fd91e53ff96e24e
Author: acnot <20...@qq.com>
AuthorDate: Fri Jun 30 09:27:18 2023 +0800
[docs]<docs>Add file system benchmark tools docs (#21262)
---
docs/en/docs/lakehouse/fs_benchmark_tool.md | 233 +++++++++++++++++++++++++
docs/sidebars.json | 3 +-
docs/zh-CN/docs/lakehouse/fs_benchmark_tool.md | 229 ++++++++++++++++++++++++
3 files changed, 464 insertions(+), 1 deletion(-)
diff --git a/docs/en/docs/lakehouse/fs_benchmark_tool.md b/docs/en/docs/lakehouse/fs_benchmark_tool.md
new file mode 100644
index 0000000000..9c3ad4c77e
--- /dev/null
+++ b/docs/en/docs/lakehouse/fs_benchmark_tool.md
@@ -0,0 +1,233 @@
+---
+{
+ "title": "File system benchmark tools",
+ "language": "en"
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+
+
+# Introduction
+
+`fs_benchmark_tool` can be used to test the basic service performance of remote storage systems including hdfs and object storage, such as read and write performance. This tool is mainly used to analyze or troubleshoot the performance problems of remote storage systems.
+
+# Compile and install
+
+`fs_benchmark_tool` is part of the `BE` code and does not compile by default. To compile, execute the following command:
+
+```
+cd doris
+BUILD_FS_BENCHMARK=ON ./build.sh --be
+```
+After compilation, the following contents will be generated in the `output/be/` directory:
+```
+bin/run-fs-benchmark.sh
+lib/fs_benchmark_tool
+```
+> Note that `fs_benchmark_tool` it needs to be used in the BE running environment directory, because it depends on the BE-related jar package, environment variables, etc.
+
+# Use
+
+Command format:
+
+```shell
+sh run-fs-benchmark.sh \
+ --conf= configuration file \
+ --fs_type= file system \
+ --operation= operations on the file system \
+ --file_size= file size \
+ --threads= the number of threads \
+ --iterations= the number of iterations
+```
+
+## Parameter parsing
+
+ `--conf` Required parameter
+
+
+Configuration file corresponding to the operation file. It is mainly used to add the relevant connection information of the remote storage system. See examples below.
+
+If you want to connect `hdfs`, please put the `hdfs-site.xml` `core-site.xml` file in the `be/conf` directory.
+
+In addition to the connection information, there are the following additional parameters:
+
+- `file_size`: Specifies the size of the file to read or write.
+
+- `buffer_size`: The block size of the file read by one read operation.
+
+- `base_dir`: Specifies the base path to read or write to the file.
+
+`--fs_type` Required parameter
+
+The type of file system on which the operation is required. Currently supported `hdfs`,`s3`.
+
+`--operation` Required parameter
+
+Specifies the type of operation
+
+- `create_write`: Each thread creates a file named `test_${current thread number}` in the `base_dir(set in conf file)` directory and writes to the file with a write size `file_size` of.
+
+- `open_read`: On `create_write` the basis of the created file, each thread reads the file with the name of `test_${current thread number}` and the read size of `file_size`.
+
+- `exists`: Each thread queries whether a file with `test_${current thread number}` filename exists.
+
+- `rename`: On `create_write` the basis of the created file, each thread changes the `test_${current thread number}` filename to `test_${current thread number}_new`.
+
+- `single_read`: Read `file_path(set in conf file)` file, read size is `file_size`.
+
+- `list`: Get `base_dir(set in conf file)` the list of files in the directory.
+
+`--file_size`
+
+The file size of the operation, in bytes.
+
+- `create_write`: Default is 10 MB.
+
+- `open_read`: Default is 10 MB.
+
+- `single_read`: The default is 0, that is, the full file is read.
+
+`--threads`
+
+The number of threads for the operation. The default number is 1.
+
+`--iterations`
+
+The number of iterations ( The number of times the function was executed ) per thread. The default number is 1.
+
+## Result analysis
+
+Except for `rename` the operation, the other operations are repeated three times, and the average value, the median value, the standard deviation, and the like are calculated.
+```
+--------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+--------------------------------------------------------------------------------------------------------------------------------
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 13642 ms 2433 ms 1 OpenReaderTime(S)=4.80734 ReadRate(B/S)=101.104M/s ReadTime(S)=13.642 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 3918 ms 1711 ms 1 OpenReaderTime(S)=22.041u ReadRate(B/S)=352.011M/s ReadTime(S)=3.91824 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 3685 ms 1697 ms 1 OpenReaderTime(S)=35.837u ReadRate(B/S)=374.313M/s ReadTime(S)=3.68479 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_mean 7082 ms 1947 ms 3 OpenReaderTime(S)=1.60247 ReadRate(B/S)=275.809M/s ReadTime(S)=7.08166 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_median 3918 ms 1711 ms 3 OpenReaderTime(S)=35.837u ReadRate(B/S)=352.011M/s ReadTime(S)=3.91824 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_stddev 5683 ms 421 ms 3 OpenReaderTime(S)=2.7755 ReadRate(B/S)=151.709M/s ReadTime(S)=5.68258 ReadTotal(B)=0
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_cv 80.24 % 21.64 % 3 OpenReaderTime(S)=173.20% ReadRate(B/S)=55.01% ReadTime(S)=80.24% ReadTotal(B)=0.00%
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_max 13642 ms 2433 ms 3 OpenReaderTime(S)=4.80734 ReadRate(B/S)=374.313M/s ReadTime(S)=13.642 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_min 3685 ms 1697 ms 3 OpenReaderTime(S)=22.041u ReadRate(B/S)=101.104M/s ReadTime(S)=3.68479 ReadTotal(B)=1.37926G
+```
+
+Focus on the first three lines, the result of three repeated executions of the code. The first time involves some operations such as connection initialization, so it will take a long time. The latter two times usually represent normal performance.
+
+Focus `UserCounters` on information in:
+- `OpenReaderTime`: Time to open the file.
+- `ReadRate`: read rate. The overall throughput is recorded here. If it is multithreaded, it can be divided by the number of threads, which represents the average rate per thread.
+- `ReadTime`: Read time consuming. What is recorded here is the accumulated time of multiple threads. Divided by the number of threads, it represents the average time spent per thread.
+- `ReadTotal`: Total amount read. What is recorded here is the accumulated value of multiple threads. Divided by the number of threads, this represents the average reads per thread.
+- `WriteRate`: Same as `ReadRate`. Represents the write rate.
+- `WriteTime`: Same as `ReadTime`. Represents time to write.
+- `WriteTotal`: Same as `ReadTotal`. Represents the total amount written.
+- `ListCost/RenameCost/ExistsCost`: A single operation of the corresponding operation takes time.
+
+# Examples
+
+## HDFS
+
+Command:
+```
+sh run-fs-benchmark.sh \
+ --conf=hdfs.conf \
+ --fs_type=hdfs \
+ --operation=create_write \
+ --file_size=1024000 \
+ --threads=3 \
+ --iterations=5
+```
+Using `hdfs.conf` the configuration file,`create_write` operate on the `hdfs` file system , using three threads, write 1MB per operation, and iterate 5 times.
+
+ `hdfs.conf` Profile:
+```
+fs.defaultFS=hdfs://HDFS8000871
+hadoop.username=hadoop
+dfs.nameservices=HDFS8000871
+dfs.ha.namenodes.HDFS8000871=nn1,nn2
+dfs.namenode.rpc-address.HDFS8000871.nn1=102.22.10.56:4007
+dfs.namenode.rpc-address.HDFS8000871.nn2=102.22.10.57:4007
+dfs.client.failover.proxy.provider.HDFS8000871=org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider
+base_dir=hdfs://HDFS8000871/benchmarks/TestDFSIO/io_data/
+```
+Operation result:
+```
+---------------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+---------------------------------------------------------------------------------------------------------------------------------------
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 61.7 ms 38.7 ms 15 WriteRate(B/S)=3.31902M/s WriteTime(S)=0.387954 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 49.6 ms 3.09 ms 15 WriteRate(B/S)=4.12967M/s WriteTime(S)=0.427992 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 45.2 ms 2.72 ms 15 WriteRate(B/S)=4.53148M/s WriteTime(S)=0.362854 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_mean 52.2 ms 14.8 ms 3 WriteRate(B/S)=3.99339M/s WriteTime(S)=0.392933 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_median 49.6 ms 3.09 ms 3 WriteRate(B/S)=4.12967M/s WriteTime(S)=0.387954 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_stddev 8.55 ms 20.7 ms 3 WriteRate(B/S)=617.61k/s WriteTime(S)=0.0328536 WriteTotal(B)=0
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_cv 16.39 % 139.34 % 3 WriteRate(B/S)=15.47% WriteTime(S)=8.36% WriteTotal(B)=0.00%
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_max 61.7 ms 38.7 ms 3 WriteRate(B/S)=4.53148M/s WriteTime(S)=0.427992 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_min 45.2 ms 2.72 ms 3 WriteRate(B/S)=3.31902M/s WriteTime(S)=0.362854 WriteTotal(B)=3.072M
+HDFS 上生成的文件：
+[hadoop@172 ~]$ hadoop fs -ls -h /benchmarks/TestDFSIO/io_data/
+Found 3 items
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_0
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_1
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_2
+```
+
+## Object storage
+
+Command:
+```
+sh bin/run-fs-benchmark.sh \
+ --conf=s3.conf \
+ --fs_type=s3 \
+ --operation=single_read \
+ --threads=1 \
+ --iterations=1
+```
+
+Using `s3.conf` the configuration file, operate on the `s3` file system `single_read`, using 1 thread, with 1 iteration.
+
+ `s3.conf` Profile:
+```
+AWS_ACCESS_KEY=ak
+AWS_SECRET_KEY=sk
+AWS_ENDPOINT=cos.ap-beijing.myqcloud.com
+AWS_REGION=ap-beijing
+file_path=s3://bucket-123/test_data/parquet/000016_0
+```
+Operation result:
+```
+------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+------------------------------------------------------------------------------------------------------------------------------
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 7534 ms 140 ms 1 ReadRate(B/S)=11.9109M/s ReadTime(S)=7.53353 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 5988 ms 118 ms 1 ReadRate(B/S)=14.985M/s ReadTime(S)=5.98808 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 6060 ms 124 ms 1 ReadRate(B/S)=14.8081M/s ReadTime(S)=6.05961 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_mean 6527 ms 127 ms 3 ReadRate(B/S)=13.9014M/s ReadTime(S)=6.52707 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_median 6060 ms 124 ms 3 ReadRate(B/S)=14.8081M/s ReadTime(S)=6.05961 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_stddev 872 ms 11.4 ms 3 ReadRate(B/S)=1.72602M/s ReadTime(S)=0.87235 ReadTotal(B)=0
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_cv 13.37 % 8.94 % 3 ReadRate(B/S)=12.42% ReadTime(S)=13.37% ReadTotal(B)=0.00%
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_max 7534 ms 140 ms 3 ReadRate(B/S)=14.985M/s ReadTime(S)=7.53353 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_min 5988 ms 118 ms 3 ReadRate(B/S)=11.9109M/s ReadTime(S)=5.98808 ReadTotal(B)=89.7314M
+```
+
diff --git a/docs/sidebars.json b/docs/sidebars.json
index d49a055ffa..0b138025e8 100644
--- a/docs/sidebars.json
+++ b/docs/sidebars.json
@@ -214,7 +214,8 @@
},
"lakehouse/file",
"lakehouse/filecache",
- "lakehouse/faq"
+ "lakehouse/faq",
+ "lakehouse/fs_benchmark_tool"
]
},
{
diff --git a/docs/zh-CN/docs/lakehouse/fs_benchmark_tool.md b/docs/zh-CN/docs/lakehouse/fs_benchmark_tool.md
new file mode 100644
index 0000000000..c7cad119f1
--- /dev/null
+++ b/docs/zh-CN/docs/lakehouse/fs_benchmark_tool.md
@@ -0,0 +1,229 @@
+---
+{
+ "title": "文件系统性能测试工具",
+ "language": "zh-CN"
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+
+# 简介
+
+`fs_benchmark_tool` 可以用于测试包括 hdfs 和对象存储在内的远端存储系统的基本服务性能，如读取、写入性能。该工具主要用于分析或排查远端存储系统的性能问题。
+
+# 编译与安装
+
+`fs_benchmark_tool` 是 BE 代码的一部分，默认不编译。如需编译，请执行以下命令：
+
+```
+cd doris
+BUILD_FS_BENCHMARK=ON ./build.sh --be
+```
+编译完之后会在`output/be/` 目录下生成如下相关内容：
+```
+bin/run-fs-benchmark.sh
+lib/fs_benchmark_tool
+```
+> 注意，`fs_benchmark_tool` 需在BE运行环境目录下使用，因为其依赖 BE 相关的 jar 包、环境变量等内容。
+
+# 使用
+
+命令格式：
+
+```shell
+sh run-fs-benchmark.sh \
+ --conf=配置文件 \
+ --fs_type= 文件系统 \
+ --operation= 对文件系统的操作 \
+ --file_size= 文件的大小 \
+ --threads= 线程数量 \
+ --iterations= 迭代次数
+```
+## 参数解析
+
+`--conf`必选参数
+
+
+操作文件对应的配置文件。主要用于添加远端存储系统的相关连接信息。详见下文示例。
+
+如连接`hdfs`，请将 `hdfs-site.xml`，`core-site.xml` 文件放置在 `be/conf` 目录下。
+
+除连接信息外，还有以下额外参数：
+- `file_size`：指定读取或写入文件的大小。
+
+- `buffer_size`：一次读取操作读取的文件块大小。
+
+- `base_dir`：指定读取或写入文件的 base 路径。
+
+`--fs_type`必选参数
+
+需要操作的文件系统类型。目前支持`hdfs`，`s3`。
+
+`--operation` 必选参数
+
+指定操作类型
+
+- `create_write` ：每个线程在`base_dir(conf文件中设置)`目录下，创建文件名为`test_当前的线程号`，并写入文件，写入大小为`file_size`。
+
+- `open_read`：在`create_write`创建好文件的基础下，每个线程读取文件名为`test_当前的线程号`的文件，读取大小为`file_size`。
+
+- `exists` ：每个线程查询文件名为`test_当前的线程号`的文件是否存在。
+
+- `rename` ：在`create_write`创建好文件的基础下，每个线程将文件名为为`test_当前的线程号`的文件更改为为`test_当前的线程号_new`。
+
+- `single_read`：读取`file_path(conf文件中设置)`文件，读取大小为`file_size`。
+
+- `list`：获取 `base_dir(conf文件中设置)` 目录下的文件列表。
+
+`--file_size`
+操作的文件大小，以字节为单位。
+
+- `create_write`：默认为 10MB。
+
+- `open_read`：默认为 10MB。
+
+- `single_read`：默认为0，即读取完整文件。
+
+`--threads`
+
+操作的线程数量，默认数量为1。
+
+`--iterations`
+
+每个线程进行迭代的次数（函数执行次数），默认数量为1。
+
+## 结果解析
+
+除了`rename`操作外，其余操作都会重复三次，并求出平均值，中间值，标准偏差等。
+```
+--------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+--------------------------------------------------------------------------------------------------------------------------------
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 13642 ms 2433 ms 1 OpenReaderTime(S)=4.80734 ReadRate(B/S)=101.104M/s ReadTime(S)=13.642 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 3918 ms 1711 ms 1 OpenReaderTime(S)=22.041u ReadRate(B/S)=352.011M/s ReadTime(S)=3.91824 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 3685 ms 1697 ms 1 OpenReaderTime(S)=35.837u ReadRate(B/S)=374.313M/s ReadTime(S)=3.68479 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_mean 7082 ms 1947 ms 3 OpenReaderTime(S)=1.60247 ReadRate(B/S)=275.809M/s ReadTime(S)=7.08166 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_median 3918 ms 1711 ms 3 OpenReaderTime(S)=35.837u ReadRate(B/S)=352.011M/s ReadTime(S)=3.91824 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_stddev 5683 ms 421 ms 3 OpenReaderTime(S)=2.7755 ReadRate(B/S)=151.709M/s ReadTime(S)=5.68258 ReadTotal(B)=0
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_cv 80.24 % 21.64 % 3 OpenReaderTime(S)=173.20% ReadRate(B/S)=55.01% ReadTime(S)=80.24% ReadTotal(B)=0.00%
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_max 13642 ms 2433 ms 3 OpenReaderTime(S)=4.80734 ReadRate(B/S)=374.313M/s ReadTime(S)=13.642 ReadTotal(B)=1.37926G
+HdfsReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_min 3685 ms 1697 ms 3 OpenReaderTime(S)=22.041u ReadRate(B/S)=101.104M/s ReadTime(S)=3.68479 ReadTotal(B)=1.37926G
+```
+
+重点关注前3行，分别代码3次重复执行的结果。其中第一次涉及到一些连接初始化等操作，所以耗时会较长。后两次通常代表正常的性能表现。
+
+重点关注`UserCounters` 中的信息：
+- `OpenReaderTime`：打开文件的耗时。
+- `ReadRate`：读取速率。这里记录的是总体的吞吐。如果是多线程，可以除以线程数，即代表每线程平均速率。
+- `ReadTime`：读取耗时。这里记录的是多线程累计时间。除以线程数，即代表每线程平均耗时。
+- `ReadTotal`：读取总量。这里记录的是多线程累计值。除以线程数，即代表每线程平均读取量。
+- `WriteRate`：同 `ReadRate`。代表写入速率。
+- `WriteTime`：同 `ReadTime`。代表写入耗时。
+- `WriteTotal`：同 `ReadTotal`。代表写入总量。
+- `ListCost/RenameCost/ExistsCost`：对应操作的单个操作耗时。
+
+# 示例
+
+## HDFS
+
+命令：
+```
+sh run-fs-benchmark.sh \
+ --conf=hdfs.conf \
+ --fs_type=hdfs \
+ --operation=create_write \
+ --file_size=1024000 \
+ --threads=3 \
+ --iterations=5
+```
+使用`hdfs.conf`配置文件，对`hdfs`文件系统进行`create_write`操作，使用三个线程，每次操作写入 1MB，迭代次数为5次。
+
+`hdfs.conf`配置文件：
+```
+fs.defaultFS=hdfs://HDFS8000871
+hadoop.username=hadoop
+dfs.nameservices=HDFS8000871
+dfs.ha.namenodes.HDFS8000871=nn1,nn2
+dfs.namenode.rpc-address.HDFS8000871.nn1=102.22.10.56:4007
+dfs.namenode.rpc-address.HDFS8000871.nn2=102.22.10.57:4007
+dfs.client.failover.proxy.provider.HDFS8000871=org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider
+base_dir=hdfs://HDFS8000871/benchmarks/TestDFSIO/io_data/
+```
+运行结果：
+```
+---------------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+---------------------------------------------------------------------------------------------------------------------------------------
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 61.7 ms 38.7 ms 15 WriteRate(B/S)=3.31902M/s WriteTime(S)=0.387954 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 49.6 ms 3.09 ms 15 WriteRate(B/S)=4.12967M/s WriteTime(S)=0.427992 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3 45.2 ms 2.72 ms 15 WriteRate(B/S)=4.53148M/s WriteTime(S)=0.362854 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_mean 52.2 ms 14.8 ms 3 WriteRate(B/S)=3.99339M/s WriteTime(S)=0.392933 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_median 49.6 ms 3.09 ms 3 WriteRate(B/S)=4.12967M/s WriteTime(S)=0.387954 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_stddev 8.55 ms 20.7 ms 3 WriteRate(B/S)=617.61k/s WriteTime(S)=0.0328536 WriteTotal(B)=0
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_cv 16.39 % 139.34 % 3 WriteRate(B/S)=15.47% WriteTime(S)=8.36% WriteTotal(B)=0.00%
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_max 61.7 ms 38.7 ms 3 WriteRate(B/S)=4.53148M/s WriteTime(S)=0.427992 WriteTotal(B)=3.072M
+HdfsCreateWriteBenchmark/iterations:5/repeats:3/manual_time/threads:3_min 45.2 ms 2.72 ms 3 WriteRate(B/S)=3.31902M/s WriteTime(S)=0.362854 WriteTotal(B)=3.072M
+HDFS 上生成的文件：
+[hadoop@172 ~]$ hadoop fs -ls -h /benchmarks/TestDFSIO/io_data/
+Found 3 items
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_0
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_1
+-rw-r--r-- 3 hadoop supergroup 100 2023-06-27 11:55 /benchmarks/TestDFSIO/io_data/test_2
+```
+
+## 对象存储
+
+命令：
+```
+sh bin/run-fs-benchmark.sh \
+ --conf=s3.conf \
+ --fs_type=s3 \
+ --operation=single_read \
+ --threads=1 \
+ --iterations=1
+```
+
+使用`s3.conf`配置文件，对 `s3`文件系统进行 `single_read`操作，使用1个线程，迭代次数为1次。
+
+`s3.conf` 配置文件：
+```
+AWS_ACCESS_KEY=ak
+AWS_SECRET_KEY=sk
+AWS_ENDPOINT=cos.ap-beijing.myqcloud.com
+AWS_REGION=ap-beijing
+file_path=s3://bucket-123/test_data/parquet/000016_0
+```
+运行结果：
+```
+------------------------------------------------------------------------------------------------------------------------------
+Benchmark Time CPU Iterations UserCounters...
+------------------------------------------------------------------------------------------------------------------------------
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 7534 ms 140 ms 1 ReadRate(B/S)=11.9109M/s ReadTime(S)=7.53353 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 5988 ms 118 ms 1 ReadRate(B/S)=14.985M/s ReadTime(S)=5.98808 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1 6060 ms 124 ms 1 ReadRate(B/S)=14.8081M/s ReadTime(S)=6.05961 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_mean 6527 ms 127 ms 3 ReadRate(B/S)=13.9014M/s ReadTime(S)=6.52707 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_median 6060 ms 124 ms 3 ReadRate(B/S)=14.8081M/s ReadTime(S)=6.05961 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_stddev 872 ms 11.4 ms 3 ReadRate(B/S)=1.72602M/s ReadTime(S)=0.87235 ReadTotal(B)=0
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_cv 13.37 % 8.94 % 3 ReadRate(B/S)=12.42% ReadTime(S)=13.37% ReadTotal(B)=0.00%
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_max 7534 ms 140 ms 3 ReadRate(B/S)=14.985M/s ReadTime(S)=7.53353 ReadTotal(B)=89.7314M
+S3ReadBenchmark/iterations:1/repeats:3/manual_time/threads:1_min 5988 ms 118 ms 3 ReadRate(B/S)=11.9109M/s ReadTime(S)=5.98808 ReadTotal(B)=89.7314M
+```
+
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