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MySQL壓力測試工具的種類與實際應用

以下的文章主要介紹的是MySQL壓力測試工具,我們大家都知道MySQL數(shù)據(jù)庫在實際應用中可以說應用率還是不算低的,采用MySQL數(shù)據(jù)庫也一般是中小企業(yè),以下的文章就主要介紹的是MySQL數(shù)據(jù)庫的壓力測試工具。

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MySQLslap

July 4th, 2009 Leave a comment Go to comments

MySQLslap是一個MySQL官方提供的壓力測試工具。以下是比較重要的參數(shù):

–defaults-file,配置文件存放位置

–concurrency,并發(fā)數(shù)

–engines,引擎

–iterations,迭代的實驗次數(shù)

–socket,socket文件位置

自動測試:

–auto-generate-sql,自動產(chǎn)生測試SQL

–auto-generate-sql-load-type,測試SQL的類型。類型有mixed,update,write,key,read。

–number-of-queries,執(zhí)行的SQL總數(shù)量

–number-int-cols,表內(nèi)int列的數(shù)量

–number-char-cols,表內(nèi)char列的數(shù)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

MySQL壓力測試工具中指定數(shù)據(jù)庫的測試:

–create-schema,指定數(shù)據(jù)庫名稱

–query,指定SQL語句,可以定位到某個包含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

以上的相關內(nèi)容就是對MySQL壓力測試工具的介紹,望你能有所收獲。


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