Sanya Innotop don Kula da Ayyukan Server na MySQL
Innotop kyakkyawan shiri ne na layin umarni, kwatankwacin 'babban umarni' don saka idanu sabobin MySQL na gida da na nesa da ke gudana ƙarƙashin injin InnoDB. Innotop ya zo tare da fasali da yawa da nau'uka daban-daban na halaye/zaɓuɓɓuka, wanda ke taimakawa wajen lura da fannoni daban-daban na aikin MySQL sannan kuma yana taimaka wa mai kula da bayanai don gano abin da ke ba daidai ba tare da uwar garken MySQL.
Misali, Innotop yana taimaka wajan lura da yanayin rubabbun mysql, kididdigar masu amfani, jerin abubuwan tambaya, InnoDB buffers, InnoDB I/O information, buda tebura, tebur masu kullewa, da sauransu, yana wartsakar da bayanansa a kai a kai, don haka zaka ga sakamakon da aka sabunta.
Innotop ya zo tare da manyan fasali da sassauci kuma baya buƙatar ƙarin tsari kuma ana iya aiwatar da shi ta hanyar gudanar da 'innotop' umarni kawai daga tashar.
Shigar da Innotop (Kulawa na MySQL)
Ta hanyar tsoho kunshin innotop ba ya cikin abubuwan rarraba Linux kamar RHEL, CentOS, Fedora da Linux Linux. Kuna buƙatar shigar da shi ta hanyar kunna wurin ajiyar epel na ɓangare na uku da amfani da umarnin yum kamar yadda aka nuna a ƙasa.
# yum install innotop
Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.mirror.net.in * epel: epel.mirror.net.in * epel-source: epel.mirror.net.in * extras: centos.mirror.net.in * updates: centos.mirror.net.in Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package innotop.noarch 0:1.9.0-3.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================== Package Arch Version Repository Size ========================================================================================================== Installing: innotop noarch 1.9.0-3.el6 epel 149 k Transaction Summary ========================================================================================================== Install 1 Package(s) Total download size: 149 k Installed size: 489 k Is this ok [y/N]: y Downloading Packages: innotop-1.9.0-3.el6.noarch.rpm | 149 kB 00:00 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : innotop-1.9.0-3.el6.noarch 1/1 Verifying : innotop-1.9.0-3.el6.noarch 1/1 Installed: innotop.noarch 0:1.9.0-3.el6 Complete!
Don fara innotop, kawai rubuta "innotop" kuma saka zaɓuɓɓuka -u (sunan mai amfani) da -p (kalmar wucewa) bi da bi, daga layin umarni kuma latsa Shigar.
# innotop -u root -p 'tecm1nt'
Da zarar kun haɗi zuwa sabar MySQL, ya kamata ku ga wani abu mai kama da allon mai zuwa.
[RO] Dashboard (? for help) localhost, 61d, 254.70 QPS, 5/2/200 con/run/cac thds, 5.1.61-log Uptime MaxSQL ReplLag Cxns Lock QPS QPS Run Run Tbls Repl SQL 61d 4 0 254.70 _ _ 462 Off 1
Latsa “?” don samun taƙaitaccen zaɓin layin umarni da amfani.
Switch to a different mode: A Dashboard I InnoDB I/O Info Q Query List B InnoDB Buffers K InnoDB Lock Waits R InnoDB Row Ops C Command Summary L Locks S Variables & Status D InnoDB Deadlocks M Replication Status T InnoDB Txns F InnoDB FK Err O Open Tables U User Statistics Actions: d Change refresh interval p Pause innotop k Kill a query's connection q Quit innotop n Switch to the next connection x Kill a query Other: TAB Switch to the next server group / Quickly filter what you see ! Show license and warranty = Toggle aggregation # Select/create server groups @ Select/create server connections $ Edit configuration settings \ Clear quick-filters Press any key to continue
Wannan ɓangaren yana ɗauke da hotunan allo na rashin amfani. Yi amfani da maɓallan Harafi don canzawa tsakanin halaye.
Wannan yanayin yana nuna ƙididdigar mai amfani da ƙididdigar ƙididdiga waɗanda aka jera ta hanyar karantawa.
CXN When Load QPS Slow QCacheHit KCacheHit BpsIn BpsOut localhost Total 0.00 1.07k 697 0.00% 98.17% 476.83k 242.83k
Wannan yanayin yana nuna fitarwa daga SHOW FULL PROCESSLIST, kwatankwacin yanayin jerin tambayoyin mytop. Wannan fasalin baya nuna bayanan InnoDB kuma yana da amfani sosai don amfanin gaba ɗaya.
When Load Cxns QPS Slow Se/In/Up/De% QCacheHit KCacheHit BpsIn BpsOut Now 0.05 1 0.20 0 0/200/450/100 0.00% 100.00% 882.54 803.24 Total 0.00 151 0.00 0 31/231470/813290/188205 0.00% 99.97% 1.40k 0.22 Cmd ID State User Host DB Time Query Connect 25 Has read all relay system u 05:26:04
Wannan yanayin yana nuna ƙididdigar I/O na InnoDB, yayin jiran I/O, zaren I/O, fayil ɗin I/O da teburin lissafi ta tsohuwa.
____________________ I/O Threads ____________________
Thread Purpose Thread Status
0 insert buffer thread waiting for i/o request
1 log thread waiting for i/o request
2 read thread waiting for i/o request
3 write thread waiting for i/o request
____________________________ Pending I/O _____________________________
Async Rds Async Wrt IBuf Async Rds Sync I/Os Log Flushes Log I/Os
0 0 0 0 0 0
________________________ File I/O Misc _________________________
OS Reads OS Writes OS fsyncs Reads/Sec Writes/Sec Bytes/Sec
26 3 3 0.00 0.00 0
_____________________ Log Statistics _____________________
Sequence No. Flushed To Last Checkpoint IO Done IO/Sec
0 5543709 0 5543709 0 5543709 8 0.00Wannan sashin, zaku ga bayanai game da wurin shakatawa na InnoDB, ƙididdigar shafi, saka jaka, da kuma alamar zantawa ta daidaitawa. Bayanai sun debo daga SHOW INNODB STATUS.
__________________________ Buffer Pool __________________________
Size Free Bufs Pages Dirty Pages Hit Rate Memory Add'l Pool
512 492 20 0 -- 16.51M 841.38k
____________________ Page Statistics _____________________
Reads Writes Created Reads/Sec Writes/Sec Creates/Sec
20 0 0 0.00 0.00 0.00
______________________ Insert Buffers ______________________
Inserts Merged Recs Merges Size Free List Len Seg. Size
0 0 0 1 0 2
__________________ Adaptive Hash Index ___________________
Size Cells Used Node Heap Bufs Hash/Sec Non-Hash/Sec
33.87k 0 0.00 0.00Anan, zaku ga fitowar ayyukan jere InnoDB, misc aiki na jere, semaphores, kuma jira tebur tsararru ta tsohuwa.
________________ InnoDB Row Operations _________________
Ins Upd Read Del Ins/Sec Upd/Sec Read/Sec Del/Sec
0 0 0 0 0.00 0.00 0.00 0.00
________________________ Row Operation Misc _________________________
Queries Queued Queries Inside Rd Views Main Thread State
0 0 1 waiting for server activity
_____________________________ InnoDB Semaphores _____________________________
Waits Spins Rounds RW Waits RW Spins Sh Waits Sh Spins Signals ResCnt
2 0 41 1 1 2 4 5 5
____________________________ InnoDB Wait Array _____________________________
Thread Time File Line Type Readers Lck Var Waiters Waiting? Ending?Yanayin taƙaitaccen umarnin yana nuna duk tebur na cmd_summary, wanda yayi kama da ƙasa.
_____________________ Command Summary _____________________ Name Value Pct Last Incr Pct Com_update 11980303 65.95% 2 33.33% Com_insert 3409849 18.77% 1 16.67% Com_delete 2772489 15.26% 0 0.00% Com_select 507 0.00% 0 0.00% Com_admin_commands 411 0.00% 1 16.67% Com_show_table_status 392 0.00% 0 0.00% Com_show_status 339 0.00% 2 33.33% Com_show_engine_status 164 0.00% 0 0.00% Com_set_option 162 0.00% 0 0.00% Com_show_tables 92 0.00% 0 0.00% Com_show_variables 84 0.00% 0 0.00% Com_show_slave_status 72 0.00% 0 0.00% Com_show_master_status 47 0.00% 0 0.00% Com_show_processlist 43 0.00% 0 0.00% Com_change_db 27 0.00% 0 0.00% Com_show_databases 26 0.00% 0 0.00% Com_show_charsets 24 0.00% 0 0.00% Com_show_collations 24 0.00% 0 0.00% Com_alter_table 12 0.00% 0 0.00% Com_show_fields 12 0.00% 0 0.00% Com_show_grants 10 0.00% 0 0.00%
Wannan ɓangaren yana ƙididdige ƙididdiga, kamar tambayoyin kowace dakika, kuma yana nuna su da yawa halaye daban-daban.
QPS Commit_PS Rlbck_Cmt Write_Commit R_W_Ratio Opens_PS Tbl_Cch_Usd Threads_PS Thrd_Cch_Usd CXN_Used_Ever CXN_Used_Now 0 0 0 18163174 0 0 0 0 0 1.99 1.32 0 0 0 18163180 0 0 0 0 0 1.99 1.32 0 0 0 18163188 0 0 0 0 0 1.99 1.32 0 0 0 18163192 0 0 0 0 0 1.99 1.32 0 0 0 18163217 0 0 0 0 0 1.99 1.32 0 0 0 18163265 0 0 0 0 0 1.99 1.32 0 0 0 18163300 0 0 0 0 0 1.99 1.32 0 0 0 18163309 0 0 0 0 0 1.99 1.32 0 0 0 18163321 0 0 0 0 0 1.99 1.32 0 0 0 18163331 0 0 0 0 0 1.99 1.32
A wannan yanayin, zaku ga fitowar Halin SQL na Bawa, Matsayin I/O na Bawa da Matsayi na Babbar Jagora. Sashe na biyu na farko yana nuna matsayin bawa da matsayin zaren I/O zaren ƙarshe kuma yana nuna matsayin Jagora.
_______________________ Slave SQL Status _______________________ Master On? TimeLag Catchup Temp Relay Pos Last Error 172.16.25.125 Yes 00:00 0.00 0 41295853 ____________________________________ Slave I/O Status _____________________________________ Master On? File Relay Size Pos State 172.16.25.125 Yes mysql-bin.000025 39.38M 41295708 Waiting for master to send event ____________ Master Status _____________ File Position Binlog Cache mysql-bin.000010 10887846 0.00%
Kuna iya gudanar da "innotop" ba tare da ma'amala ba.
# innotop --count 5 -d 1 -n
uptime max_query_time time_behind_master connections locked_count qps spark_qps run spark_run open slave_running longest_sql 61d 2 0 0.000363908088893752 64 Yes 61d 2 0 4.96871146980749 _ _ 64 Yes 61d 2 0 3.9633543857494 ^_ __ 64 Yes 61d 2 0 3.96701862656428 ^__ ___ 64 Yes 61d 2 0 3.96574802684297 ^___ ____ 64 Yes
Don saka idanu kan bayanai mai nisa akan tsarin nesa, yi amfani da umarni mai zuwa ta amfani da takamaiman sunan mai amfani, kalmar wucewa da sunan mai masauki.
# innotop -u username -p password -h hostname
Don ƙarin bayani game da 'innotop' amfani da zaɓuɓɓuka, duba shafukan mutum ta hanyar buga "mutum innotop" a kan tashar.
Tunanin Mahaɗa
Shafin Farko na Innotop
- Mtop (MySQL Database Monitoring) a cikin RHEL/CentOS/Fedora