sysbench是一個很不錯的數據庫性能測試工具。mysql
官方站點:https://github.com/akopytov/sysbench/git
rpm包下載:https://packagecloud.io/akopytov/sysbench/packages/el/7/sysbench-1.0.15-1.el7.centos.x86_64.rpmgithub
源碼包下載:https://github.com/akopytov/sysbench/archive/1.0.15.tar.gzsql
若是是編譯安裝,須要先安裝好mysql的開發包(儘管編譯錯誤時提示的是缺乏Mysql庫文件)。shell
yum -y install mysql-community-devel tar xf 1.0.15.tar.gz cd sysbench-1.0.15 ./autogen.sh ./configure make -j make install
安裝後,只有一個二進制文件sysbench,還提供了不少個lua腳本。數據庫
[root@s1 ~]# rpm -ql sysbench | grep 'bin\|lua' /usr/bin/sysbench /usr/share/sysbench/bulk_insert.lua /usr/share/sysbench/oltp_common.lua /usr/share/sysbench/oltp_delete.lua /usr/share/sysbench/oltp_insert.lua /usr/share/sysbench/oltp_point_select.lua /usr/share/sysbench/oltp_read_only.lua /usr/share/sysbench/oltp_read_write.lua /usr/share/sysbench/oltp_update_index.lua /usr/share/sysbench/oltp_update_non_index.lua /usr/share/sysbench/oltp_write_only.lua /usr/share/sysbench/select_random_points.lua /usr/share/sysbench/select_random_ranges.lua /usr/share/sysbench/tests/include/inspect.lua /usr/share/sysbench/tests/include/oltp_legacy/bulk_insert.lua /usr/share/sysbench/tests/include/oltp_legacy/common.lua /usr/share/sysbench/tests/include/oltp_legacy/delete.lua /usr/share/sysbench/tests/include/oltp_legacy/insert.lua /usr/share/sysbench/tests/include/oltp_legacy/oltp.lua /usr/share/sysbench/tests/include/oltp_legacy/oltp_simple.lua /usr/share/sysbench/tests/include/oltp_legacy/parallel_prepare.lua /usr/share/sysbench/tests/include/oltp_legacy/select.lua /usr/share/sysbench/tests/include/oltp_legacy/select_random_points.lua /usr/share/sysbench/tests/include/oltp_legacy/select_random_ranges.lua /usr/share/sysbench/tests/include/oltp_legacy/update_index.lua /usr/share/sysbench/tests/include/oltp_legacy/update_non_index.lua
本文介紹的是新版本sysbench oltp lua腳本的用法(/usr/share/sysbench/*.lua
),因此不涉及傳統的lua(tests/include/oltp_legacy/*.lua
),若是想要了解這些傳統Lua腳本的用法,網上隨便找。centos
如下列出了sysbench對測試mysql時經常使用的選項。dom
[root@xuexi ~]# sysbench --help Usage: sysbench [options]... [test_lua] [lua_options] [command] Commands implemented by most tests: prepare run cleanup help 通用選項:如下中括號中的值表示默認值 --threads=N 指定線程數[1] --events=N 限制最大請求數,0表示不限制[0] --time=N 限制最長執行時間,0表示不限制[10] --events和--time兩者選一便可 --forced-shutdown=STRING 達到最長執行時間後還需等待多久關閉sysbench off表示禁用該功能[off] --thread-stack-size=SIZE 每一個線程使用的棧空間大小[64K] --rate=N 平均事務處理速率,0表示不限制[0] --report-interval=N 每隔幾秒報告一次結果,0表示禁用間隔報告[0] --config-file=FILENAME 從文件中讀取命令行選項 --tx-rate=N 已廢棄,是--rate的別名[0] --max-requests=N 已廢棄,是--events的別名[0] --max-time=N 已廢棄,是--time的別名[0] --num-threads=N 已廢棄,是--threads的別名[1] --db-ps-mode=STRING 是否使用prepare模式的語句 {auto, disable} [auto] mysql相關選項: --mysql-host=[LIST,...] MySQL server host [localhost] --mysql-port=[LIST,...] MySQL server port [3306] --mysql-socket=[LIST,...] MySQL socket --mysql-user=STRING MySQL user [sbtest] --mysql-password=STRING MySQL password [] --mysql-db=STRING MySQL database name [sbtest] --mysql-ignore-errors=[LIST,...] 要忽略的錯誤代碼,值可爲"all" [1213,1020,1205] Compiled-in tests: fileio - File I/O test cpu - CPU performance test memory - Memory functions speed test threads - Threads subsystem performance test mutex - Mutex performance test
其中,command部分有4類:prepare run cleanup和help:socket
prepare
:準備數據的命令。例如,在sysbench壓力測試以前,須要先準備好測試庫、測試表以及測試表中的數據。具體用法見後文。run
:表示進行壓力測試。cleanup
:清除測試時產生的數據。help
:輸出給定lua腳本的幫助信息。test_lua是想要使用的lua腳本,若是是rpm包安裝的sysbench,則這些腳本都是/usr/share/sysbench目錄下。對於通常的數據庫測試,只需使用和oltp有關的lua腳本就足夠。async
options和lua_options是不一樣的,options是sysbench的選項,lua_options是lua腳本的選項,lua_options應該要放在test_lua的後面(非必需,但建議)。
例如,要查看oltp_common.lua的用法,能夠:
sysbench /usr/share/sysbench/oltp_common.lua help
首先建立sysbench所需數據庫sbtest
(這是sysbench默認使用的庫名,必須建立測試庫)。
mysqladmin -h127.0.0.1 -uroot -pP@ssword1! -P3306 create sbtest;
而後,準備測試所用的表,這些測試表放在測試庫sbtest中。這裏使用的lua腳本爲/usr/share/sysbench/oltp_common.lua
。
sysbench --mysql-host=127.0.0.1 \ --mysql-port=3306 \ --mysql-user=root \ --mysql-password=P@ssword1! \ /usr/share/sysbench/oltp_common.lua \ --tables=10 \ --table_size=100000 \ prepare
其中--tables=10
表示建立10個測試表,--table_size=100000
表示每一個表中插入10W行數據,prepare
表示這是準備數的過程。
mysql> show tables from sbtest; +------------------+ | Tables_in_sbtest | +------------------+ | sbtest1 | | sbtest10 | | sbtest2 | | sbtest3 | | sbtest4 | | sbtest5 | | sbtest6 | | sbtest7 | | sbtest8 | | sbtest9 | +------------------+ mysql> select count(*) from sbtest.sbtest1; +----------+ | count(*) | +----------+ | 100000 | +----------+
若是想要清除這10個表,可以使用cleanup命令。
sysbench --mysql-host=127.0.0.1 \ --mysql-port=3306 \ --mysql-user=root \ --mysql-password=P@ssword1! \ /usr/share/sysbench/oltp_common.lua \ --tables=10 \ cleanup
稍微修改下以前準備數據的語句,就能夠拿來測試了。
須要注意的是,以前使用的lua腳本爲oltp_common.lua
,它是一個通用腳本,是被其它lua腳本調用的,它不能直接拿來測試。
因此,我這裏用oltp_read_write.lua
腳原本作讀、寫測試。還有不少其它類型的測試,好比只讀測試、只寫測試、刪除測試、大批量插入測試等等。可找到對應的lua腳本進行調用便可。
sysbench --threads=4 \ --time=20 \ --report-interval=5 \ --mysql-host=127.0.0.1 \ --mysql-port=3306 \ --mysql-user=root \ --mysql-password=P@ssword1! \ /usr/share/sysbench/oltp_read_write.lua \ --tables=10 \ --table_size=100000 \ run
如下是測試返回的結果:
Initializing worker threads... Threads started! ####如下是每5秒返回一次的結果,統計的指標包括: #### 線程數、tps(每秒事務數)、qps(每秒查詢數)、 #### 每秒的讀/寫/其它次數、延遲、每秒錯誤數、每秒重連次數 [ 5s ] thds: 4 tps: 130.16 qps: 2606.30 (r/w/o: 1824.51/520.66/261.13) lat (ms,95%): 104.84 err/s: 0.00 reconn/s: 0.00 [ 10s ] thds: 4 tps: 126.74 qps: 2539.17 (r/w/o: 1778.17/507.52/253.47) lat (ms,95%): 108.68 err/s: 0.00 reconn/s: 0.00 [ 15s ] thds: 4 tps: 136.54 qps: 2736.34 (r/w/o: 1915.25/548.01/273.07) lat (ms,95%): 102.97 err/s: 0.00 reconn/s: 0.00 [ 20s ] thds: 4 tps: 107.44 qps: 2148.65 (r/w/o: 1505.60/428.17/214.89) lat (ms,95%): 132.49 err/s: 0.00 reconn/s: 0.00 SQL statistics: queries performed: read: 35098 # 執行的讀操做數量 write: 10028 # 執行的寫操做數量 other: 5014 # 執行的其它操做數量 total: 50140 transactions: 2507 (124.29 per sec.) # 執行事務的平均速率 queries: 50140 (2485.82 per sec.) # 平均每秒能執行多少次查詢 ignored errors: 0 (0.00 per sec.) reconnects: 0 (0.00 per sec.) General statistics: total time: 20.1694s # 總消耗時間 total number of events: 2507 # 總請求數量(讀、寫、其它) Latency (ms): min: 2.32 avg: 32.13 max: 575.78 95th percentile: 118.92 # 採樣計算的平均延遲 sum: 80554.96 Threads fairness: events (avg/stddev): 626.7500/2.49 execution time (avg/stddev): 20.1387/0.04
sysbench內置了幾個測試指標。
Compiled-in tests: fileio - File I/O test cpu - CPU performance test memory - Memory functions speed test threads - Threads subsystem performance test mutex - Mutex performance test
可直接help輸出測試方法。例如,fileio測試。
[root@xuexi ~]# sysbench fileio help sysbench 1.0.15 (using bundled LuaJIT 2.1.0-beta2) fileio options: --file-num=N number of files to create [128] --file-block-size=N block size to use in all IO operations [16384] --file-total-size=SIZE total size of files to create [2G] --file-test-mode=STRING test mode {seqwr, seqrewr, seqrd, rndrd, rndwr, rndrw} --file-io-mode=STRING file operations mode {sync,async,mmap} [sync] --file-async-backlog=N number of asynchronous operatons to queue per thread [128] --file-extra-flags=[LIST,...] list of additional flags to use to open files {sync,dsync,direct} [] --file-fsync-freq=N do fsync() after this number of requests (0 - don't use fsync()) [100] --file-fsync-all[=on|off] do fsync() after each write operation [off] --file-fsync-end[=on|off] do fsync() at the end of test [on] --file-fsync-mode=STRING which method to use for synchronization {fsync, fdatasync} [fsync] --file-merged-requests=N merge at most this number of IO requests if possible (0 - don't merge) [0] --file-rw-ratio=N reads/writes ratio for combined test [1.5]
例如,建立5個文件,總共1G,每一個文件大概200M。
sysbench fileio --file-num=5 --file-total-size=1G prepare [root@xuexi ~]# ls -lh test* -rw------- 1 root root 205M Jul 8 12:15 test_file.0 -rw------- 1 root root 205M Jul 8 12:15 test_file.1 -rw------- 1 root root 205M Jul 8 12:15 test_file.2 -rw------- 1 root root 205M Jul 8 12:15 test_file.3 -rw------- 1 root root 205M Jul 8 12:15 test_file.4
而後,運行測試。
sysbench --events=5000 \ --threads=16 \ fileio \ --file-num=5 \ --file-total-size=1G \ --file-test-mode=rndrw \ --file-fsync-freq=0 \ --file-block-size=16384 \ run
結果:
File operations: reads/s: 98.67 writes/s: 66.85 fsyncs/s: 6.26 Throughput: # 吞吐量 read, MiB/s: 1.54 # 表示讀的帶寬 written, MiB/s: 1.04 # 表示讀的帶寬 General statistics: total time: 12.7426s total number of events: 2117 Latency (ms): min: 0.00 avg: 86.66 max: 2919.41 95th percentile: 646.19 sum: 183460.80 Threads fairness: events (avg/stddev): 132.3125/24.19 execution time (avg/stddev): 11.4663/1.09
再比例cpu性能測試:
[root@xuexi ~]# sysbench cpu --threads=40 --events=10000 --cpu-max-prime=20000 run sysbench 1.0.15 (using bundled LuaJIT 2.1.0-beta2) Running the test with following options: Number of threads: 40 Initializing random number generator from current time Prime numbers limit: 20000 Initializing worker threads... Threads started! CPU speed: events per second: 2127.81 General statistics: total time: 4.6986s total number of events: 10000 Latency (ms): min: 1.72 avg: 18.16 max: 302.17 95th percentile: 110.66 sum: 181628.49 Threads fairness: events (avg/stddev): 250.0000/30.81 execution time (avg/stddev): 4.5407/0.10