mysql压力测试工具:mysqlslap
2008-09-21 17:43
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mysqlslap是一个mysql官方提供的压力测试工具。以下是比较重要的参数:
–defaults-file,配置文件存放位置
–concurrency,并发数
–engines,引擎
–iterations,迭代的实验次数
–socket,socket文件位置
自动测试:
–auto-generate-sql,自动产生测试SQL
–auto-generate-sql-load-type,测试SQL的类型。类型有mixed,update,write,key,read。
–number-of-queries,执行的SQL总数量
–number-int-cols,表内int列的数量
–number-char-cols,表内char列的数量
例如:
shell>mysqlslap
–defaults-file=/u01/mysql1/mysql/my.cnf –concurrency=50,100 –iterations=1
–number-int-cols=4 –auto-generate-sql –auto-generate-sql-load-type=write
–engine=myisam –number-of-queries=200 -S/tmp/mysql1.sock
Benchmark
Running
for engine myisam
Average number of seconds to run all queries: 0.016
seconds
Minimum number of seconds to run all queries: 0.016
seconds
Maximum number of seconds to run all queries: 0.016 seconds
Number
of clients running queries: 50
Average number of queries per client: 4
Benchmark
Running for engine myisam
Average number
of seconds to run all queries: 0.265 seconds
Minimum number of seconds to run
all queries: 0.265 seconds
Maximum number of seconds to run all queries:
0.265 seconds
Number of clients running queries: 100
Average number of
queries per client: 2
指定数据库的测试:
–create-schema,指定数据库名称
–query,指定SQL语句,可以定位到某个包含SQL的文件
例如:
shell>mysqlslap
–defaults-file=/u01/mysql1/mysql/my.cnf –concurrency=25,50 –iterations=1
–create-schema=test –query=/u01/test.sql
-S/tmp/mysql1.sock
Benchmark
Average number of seconds to run all queries:
0.018 seconds
Minimum number of seconds to run all queries: 0.018
seconds
Maximum number of seconds to run all queries: 0.018 seconds
Number
of clients running queries: 25
Average number of queries per client: 1
Benchmark
Average number of seconds to run all
queries: 0.011 seconds
Minimum number of seconds to run all queries: 0.011
seconds
Maximum number of seconds to run all queries: 0.011 seconds
Number
of clients running queries: 50
Average number of queries per client: 1
–defaults-file,配置文件存放位置
–concurrency,并发数
–engines,引擎
–iterations,迭代的实验次数
–socket,socket文件位置
自动测试:
–auto-generate-sql,自动产生测试SQL
–auto-generate-sql-load-type,测试SQL的类型。类型有mixed,update,write,key,read。
–number-of-queries,执行的SQL总数量
–number-int-cols,表内int列的数量
–number-char-cols,表内char列的数量
例如:
shell>mysqlslap
–defaults-file=/u01/mysql1/mysql/my.cnf –concurrency=50,100 –iterations=1
–number-int-cols=4 –auto-generate-sql –auto-generate-sql-load-type=write
–engine=myisam –number-of-queries=200 -S/tmp/mysql1.sock
Benchmark
Running
for engine myisam
Average number of seconds to run all queries: 0.016
seconds
Minimum number of seconds to run all queries: 0.016
seconds
Maximum number of seconds to run all queries: 0.016 seconds
Number
of clients running queries: 50
Average number of queries per client: 4
Benchmark
Running for engine myisam
Average number
of seconds to run all queries: 0.265 seconds
Minimum number of seconds to run
all queries: 0.265 seconds
Maximum number of seconds to run all queries:
0.265 seconds
Number of clients running queries: 100
Average number of
queries per client: 2
指定数据库的测试:
–create-schema,指定数据库名称
–query,指定SQL语句,可以定位到某个包含SQL的文件
例如:
shell>mysqlslap
–defaults-file=/u01/mysql1/mysql/my.cnf –concurrency=25,50 –iterations=1
–create-schema=test –query=/u01/test.sql
-S/tmp/mysql1.sock
Benchmark
Average number of seconds to run all queries:
0.018 seconds
Minimum number of seconds to run all queries: 0.018
seconds
Maximum number of seconds to run all queries: 0.018 seconds
Number
of clients running queries: 25
Average number of queries per client: 1
Benchmark
Average number of seconds to run all
queries: 0.011 seconds
Minimum number of seconds to run all queries: 0.011
seconds
Maximum number of seconds to run all queries: 0.011 seconds
Number
of clients running queries: 50
Average number of queries per client: 1
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