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	<title>压力测试 - 四号程序员</title>
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		<title>阿里云自建PostgreSQL的性能测试(对比MySQL)</title>
		<link>https://www.coder4.com/archives/7607</link>
					<comments>https://www.coder4.com/archives/7607#respond</comments>
		
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		<pubDate>Thu, 16 Dec 2021 09:37:30 +0000</pubDate>
				<category><![CDATA[数据库技术]]></category>
		<category><![CDATA[pg]]></category>
		<category><![CDATA[Postgre]]></category>
		<category><![CDATA[压力测试]]></category>
		<category><![CDATA[压测]]></category>
		<category><![CDATA[性能测试]]></category>
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					<description><![CDATA[1 测试环境 阿里云6代4核8G，PL0磁盘，ecs.g6.xlarge，2台 建议用Ubuntu 20.04，CentOS7的包太老 2 服务器 docker启动pg14 #!/bin/bash NAME="postgres" POSTGRES_USER="pg" POSTGRES_PASS="pg123" VOLUME="$HOME/docker_data/postgres" mkdir -p $VOLUME docker ps -q -a --filte[......] 继续阅读]]></description>
		
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		<title>基于ab的并发压力测试脚本</title>
		<link>https://www.coder4.com/archives/7462</link>
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		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Wed, 01 Dec 2021 10:38:42 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[ab]]></category>
		<category><![CDATA[压力测试]]></category>
		<category><![CDATA[并发]]></category>
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					<description><![CDATA[脚本： #!/bin/bash rm -rf *.log for i in {1..5} do ab -n 1000000 -c 800 -k http://172.20.3.10/ &#62; $i.log &#38; done wait cat *log &#124; grep "per second" &#124; awk -F'[^0-9]+' '{s+=$2} END {print s}' 几个改进点： 使用keepalive 单个ab是有性能上限的[......] 继续阅读]]></description>
		
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