MySQL serweriniň işleýşine gözegçilik etmek üçin Innotop guruň
“Innotop”, “InnoDB” hereketlendirijisinde işleýän ýerli we uzakdaky MySQL serwerlerine gözegçilik etmek üçin “iň ýokary buýruga” meňzeş ajaýyp buýruk setiri programmasydyr. Innotop köp aýratynlyklar we dürli görnüşli reesimler/opsiýalar bilen gelýär, bu MySQL öndürijiliginiň dürli taraplaryna gözegçilik etmäge kömek edýär, şeýle hem maglumatlar bazasynyň dolandyryjysyna MySQL serwerinde nämäniň ýalňyşdygyny anyklamaga kömek edýär.
Mysal üçin, Innotop mysql köpeltmek ýagdaýyna, ulanyjy statistikasyna, talaplaryň sanawyna, InnoDB buferlerine, InnoDB I/O maglumatlaryna, açyk tablisalara, gulplama tablisalaryna we ş.m. gözegçilik etmäge kömek edýär, täzelenen netijeleri görmek üçin maglumatlary yzygiderli täzeleýär.
“Innotop” ajaýyp aýratynlyklar we çeýeligi bilen gelýär we goşmaça konfigurasiýa zerurlygy ýok we terminaly diňe “innotop” buýrugy bilen ýerine ýetirip bolýar.
Innotop gurmak (MySQL Monitoring)
Adaty tertipde innotop paketi RHEL, CentOS, Fedora we Scientific Linux ýaly Linux paýlamalaryna goşulmaýar. Üçünji tarap epel ammaryny açyp we aşakda görkezilişi ýaly yum buýrugyny ulanyp gurmaly.
# 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!
Innotop başlamak üçin diňe innotop ýazyň we buýruk setirinden degişlilikde -u (ulanyjy ady) we -p (parol) opsiýalaryny görkeziň we Enter basyň.
# innotop -u root -p 'tecm1nt'
MySQL serwerine birikdirilenden soň, aşakdaky ekrana meňzeş bir zady görmeli.
[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
“?” Basyň buýruk setiriniň opsiýalarynyň we ulanylyşynyň gysgaça mazmunyny almak üçin.
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
Bu bölümde innotop ulanylyşynyň ekran suratlary bar. Reesimleriň arasynda geçmek üçin baş harp düwmelerini ulanyň.
Bu re modeim ulanyjylaryň statistikasyny we okalýan tertip boýunça indeks statistikasyny görkezýär.
CXN When Load QPS Slow QCacheHit KCacheHit BpsIn BpsOut localhost Total 0.00 1.07k 697 0.00% 98.17% 476.83k 242.83k
Bu re myim, mytopyň talap sanawy re modeimine meňzeş SHOW FULL PROCESSLIST-den çykyşy görkezýär. Bu aýratynlyk InnoDB maglumatyny görkezmeýär we umumy ulanylyş üçin iň peýdalydyr.
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
Bu re Inim, garaşylýan I/O, I/O sapaklary, I/O faýly we statistika tablisalaryny hasaba alýan InnoDB-iň I/O statistikasyny görkezýär.
____________________ 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 0.00
Bu bölümde, InnoDB bufer howzy, sahypanyň statistikasy, bufer goýmak we adaptasiýa hash indeksi barada maglumatlary görersiňiz. Maglumat SHOW INNODB STATUS-dan alynýar.
__________________________ 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 0.00
Bu ýerde, “InnoDB” hatar amallarynyň netijesini, hatar işleýiş ýalňyşlaryny, semaforlary we tertip boýunça tertip tablisalaryna garaşarsyňyz.
________________ 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?
Buýruk jemleme tertibi aşakdakylara meňzeýän ähli cmd_summary tablisasyny görkezýär.
_____________________ 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%
Bu bölüm, sekuntda talaplar ýaly statistikany hasaplaýar we dürli reesimlerde görkezýär.
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
Bu re Inimde, gul SQL ýagdaýynyň, gul I/O ýagdaýynyň we ussat ýagdaýynyň çykyşyny görersiňiz. Ilkinji iki bölümde gul ýagdaýy we gul I/O sapak ýagdaýy, soňky bölümde ussat statusy görkezilýär.
_______________________ 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%
“Innotop” -y interaktiw däl işledip bilersiňiz.
# 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
Uzakdaky ulgamdaky uzakdaky maglumat bazasyna gözegçilik etmek üçin belli bir ulanyjy adyny, paroly we host adyny ulanyp aşakdaky buýrugy ulanyň.
# innotop -u username -p password -h hostname
“Innotop” ulanylyşy we opsiýalary barada has giňişleýin maglumat üçin terminaldaky “man notop” düwmesine basyp, adam sahypalaryna serediň.
Salgylanma baglanyşyklary
Innotop Baş sahypa
- RHEL/CentOS/Fedora-da Mtop (MySQL Maglumatlar bazasynyň gözegçiligi)