Percona Toolkit è un gruppo di strumenti da riga di comando open source all'avanguardia che sono stati creati e utilizzati dal personale tecnico di Percona, costruiti per eseguire automaticamente una varietà di server MySQL® e MongoDB® e attività di sistema che l'esecuzione manuale è molto difficile o complicato da fare.
Installa Percona Toolkit su Centos 7:
Percona toolkit rpm può essere scaricato dal repository Percona:
wget https://www.percona.com/downloads/percona-toolkit/3.2.0/binary/redhat/7/x86_64/percona-toolkit-3.2.0-1.el7.x86_64.rpm
puoi installare il percona-toolkit rpm usando yum risolverà tutte le dipendenze dal repository Percona
yum install -y percona-toolkit-3.2.0-1.el7.x86_64.rpm
Una volta completata l'installazione, troverai tutto l'elenco sottostante di strumenti installati sul tuo server.
puoi controllare di seguito se gli strumenti percona sono stati installati o meno nella directory /usr/bin/
[[email protected] bin]# ll /usr/bin/pt-* -rwxr-xr-x. 1 root root 41747 Apr 23 20:41 /usr/bin/pt-align -rwxr-xr-x. 1 root root 272634 Apr 23 20:41 /usr/bin/pt-archiver -rwxr-xr-x. 1 root root 171698 Apr 23 20:41 /usr/bin/pt-config-diff -rwxr-xr-x. 1 root root 168893 Apr 23 20:41 /usr/bin/pt-deadlock-logger -rwxr-xr-x. 1 root root 166450 Apr 23 20:41 /usr/bin/pt-diskstats -rwxr-xr-x. 1 root root 172014 Apr 23 20:41 /usr/bin/pt-duplicate-key-checker -rwxr-xr-x. 1 root root 50157 Apr 23 20:41 /usr/bin/pt-fifo-split -rwxr-xr-x. 1 root root 152724 Apr 23 20:41 /usr/bin/pt-find -rwxr-xr-x. 1 root root 67304 Apr 23 20:41 /usr/bin/pt-fingerprint -rwxr-xr-x. 1 root root 135870 Apr 23 20:41 /usr/bin/pt-fk-error-logger -rwxr-xr-x. 1 root root 225525 Apr 23 20:41 /usr/bin/pt-heartbeat -rwxr-xr-x. 1 root root 229128 Apr 23 20:41 /usr/bin/pt-index-usage -rwxr-xr-x. 1 root root 32405 Apr 23 20:41 /usr/bin/pt-ioprofile -rwxr-xr-x. 1 root root 257728 Apr 23 20:41 /usr/bin/pt-kill -rwxr-xr-x. 1 root root 21913 Apr 23 20:41 /usr/bin/pt-mext -rwxr-xr-x. 1 root root 9908136 Apr 23 20:42 /usr/bin/pt-mongodb-query-digest -rwxr-xr-x. 1 root root 10307464 Apr 23 20:42 /usr/bin/pt-mongodb-summary -rwxr-xr-x. 1 root root 108113 Apr 23 20:41 /usr/bin/pt-mysql-summary -rwxr-xr-x. 1 root root 431516 Apr 23 20:41 /usr/bin/pt-online-schema-change -rwxr-xr-x. 1 root root 5889136 Apr 23 20:42 /usr/bin/pt-pg-summary -rwxr-xr-x. 1 root root 24598 Apr 23 20:41 /usr/bin/pt-pmp -rwxr-xr-x. 1 root root 529350 Apr 23 20:41 /usr/bin/pt-query-digest -rwxr-xr-x. 1 root root 4412272 Apr 23 20:42 /usr/bin/pt-secure-collect -rwxr-xr-x. 1 root root 79159 Apr 23 20:41 /usr/bin/pt-show-grants -rwxr-xr-x. 1 root root 37784 Apr 23 20:41 /usr/bin/pt-sift -rwxr-xr-x. 1 root root 147867 Apr 23 20:41 /usr/bin/pt-slave-delay -rwxr-xr-x. 1 root root 133040 Apr 23 20:41 /usr/bin/pt-slave-find -rwxr-xr-x. 1 root root 186580 Apr 23 20:41 /usr/bin/pt-slave-restart -rwxr-xr-x. 1 root root 76185 Apr 23 20:41 /usr/bin/pt-stalk -rwxr-xr-x. 1 root root 90816 Apr 23 20:41 /usr/bin/pt-summary -rwxr-xr-x. 1 root root 461826 Apr 23 20:41 /usr/bin/pt-table-checksum -rwxr-xr-x. 1 root root 406316 Apr 23 20:41 /usr/bin/pt-table-sync -rwxr-xr-x. 1 root root 248658 Apr 23 20:41 /usr/bin/pt-table-usage -rwxr-xr-x. 1 root root 334033 Apr 23 20:41 /usr/bin/pt-upgrade -rwxr-xr-x. 1 root root 179330 Apr 23 20:41 /usr/bin/pt-variable-advisor -rwxr-xr-x. 1 root root 103460 Apr 23 20:41 /usr/bin/pt-visual-explain
Strumenti
- pt-align
- pt-archiver
- pt-config-diff
- pt-deadlock-logger
- pt-diskstats
- pt-duplicate-key-checker
- pt-fifo-split
- pt-find
- pt-impronta digitale
- pt-fk-error-logger
- pt-heartbeat
- pt-index-usage
- pt-ioprofile
- pt-kill
- pt-mext
- pt-mongodb-query-digest
- pt-mongodb-riepilogo
- pt-mysql-summary
- pt-online-schema-change
- pt-pg-riepilogo
- pt-pmp
- pt-query-digest
- pt-secure-collect
- pt-show-grants
- pt-setacciare
- pt-slave-delay
- pt-slave-find
- pt-slave-restart
- pt-stalk
- pt-riepilogo
- pt-table-checksum
- pt-table-sync
- pt-table-usage
- pt-upgrade
- pt-variable-advisor
- pt-visual-explain
Ora hai Percona Toolkit installato su Centos 7. Usa i link sopra per trovare la descrizione dello strumento e gli esempi di utilizzo
[[email protected] ~]# pt-summary # Percona Toolkit System Summary Report ###################### Date | 2020-06-22 16:07:15 UTC (local TZ: +03 +0300) Hostname | localhost.localdomain Uptime | 8:06, 4 users, load average: 0.02, 0.02, 0.05 System | innotek GmbH; VirtualBox; v1.2 (Other) Service Tag | 0 Platform | Linux Release | CentOS Linux release 7.8.2003 (Core) Kernel | 3.10.0-1127.10.1.el7.x86_64 Architecture | CPU = 64-bit, OS = 64-bit Threading | NPTL 2.17 SELinux | Enforcing Virtualized | KVM # Processor ################################################## Processors | physical = 1, cores = 1, virtual = 1, hyperthreading = no Speeds | 1x2394.466 Models | 1xIntel(R) Core(TM) i7-5500U CPU @ 2.40GHz Caches | 1x4096 KB # Memory ##################################################### Total | 3.7G Free | 648.4M Used | physical = 1.1G, swap allocated = 2.5G, swap used = 0.0, virtual = 1.1G Shared | 18.7M Buffers | 2.0G Caches | 2.3G Dirty | 112 kB UsedRSS | 1.5G Swappiness | 30 DirtyPolicy | 30, 10 DirtyStatus | 0, 0 Locator Size Speed Form Factor Type Type Detail ========= ======== ================= ============= ============= =========== # Mounted Filesystems ######################################## Filesystem Size Used Type Opts Mountpoint /dev/mapper/centos-root 37G 22% xfs rw,relatime,seclabel,attr2,inode64,noquota / /dev/sda1 1014M 24% xfs rw,relatime,seclabel,attr2,inode64,noquota /boot . . . tmpfs 377M 1% tmpfs ro,nosuid,nodev,noexec,seclabel,mode=755 /run/user/0 # Disk Schedulers And Queue Size ############################# dm-0 | 128 dm-1 | 128 sda | [deadline] 128 sr0 | [deadline] 128 # Disk Partioning ############################################ Device Type Start End Size ============ ==== ========== ========== ================== /dev/dm-0 Disk 39183187968 /dev/dm-1 Disk 2684354560 /dev/sda Disk 42949672960 /dev/sda1 Part 2048 2099199 1073741312 /dev/sda2 Part 2099200 83886079 41874882048 # Kernel Inode State ######################################### dentry-state | 50193 30566 45 0 3904 0 file-nr | 8672 0 378007 inode-nr | 64170 21818 # LVM Volumes ################################################ LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root centos -wi-ao---- 36.49g swap centos -wi-ao---- 2.50g # LVM Volume Groups ########################################## VG VSize VFree centos <39.00g 4.00m # RAID Controller ############################################ Controller | No RAID controller detected # Network Config ############################################# Controller | Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02) Controller | Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02) FIN Timeout | 60 Port Range | 60999 # Interface Statistics ####################################### interface rx_bytes rx_packets rx_errors tx_bytes tx_packets tx_errors ========= ========= ========== ========== ========== ========== ========== lo 5000 60 0 5000 60 0 enp0s3 300000 3000 0 600000 3000 0 enp0s8 600000000 450000 0 3500000 60000 0 virbr0 0 0 0 0 0 0 virbr0-nic 0 0 0 0 0 0 vboxnet0 0 0 0 3500 20 0 # Network Devices ############################################ Device Speed Duplex ========= ========= ========= virbr0-nic 10Mb/s Full vboxnet0 10Mb/s Full enp0s3 1000Mb/s Full virbr0 enp0s8 1000Mb/s Full # Network Connections ######################################## 22 1 States of connections ESTABLISHED 1 LISTEN 10 # Top Processes ############################################## PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 15551 root 20 0 162128 2188 1516 R 18.8 0.1 0:00.04 top . . 10 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 lru-add-dra+ # Notable Processes ########################################## PID OOM COMMAND 1231 -17 sshd # Memory mamagement ########################################## Transparent huge pages are enabled. # The End ####################################################
pt-mysql-summary può essere usato come menzione nell'esempio seguente
[[email protected] ~]# pt-mysql-summary --host localhost --user root --ask-pass
L'esempio seguente mostra l'utilizzo delle statistiche dei dischi a livello di sistema operativo:
[[email protected] ~]#pt-diskstats# A software update is available: #ts device rd_s rd_avkb rd_mb_s rd_mrg rd_cnc rd_rt wr_s wr_avkb wr_mb_s wr_mrg wr_cnc wr_rt busy in_prg io_s qtime stime 1.0 sda 0.0 0.0 0.0 0% 0.0 0.0 7.0 10.8 0.1 12% 0.0 2.2 1% 0 7.0 1.5 0.8 1.0 sda2 0.0 0.0 0.0 0% 0.0 0.0 6.0 12.6 0.1 14% 0.0 2.4 1% 0 6.0 1.7 0.7 1.0 dm-0 0.0 0.0 0.0 0% 0.0 0.0 7.0 10.8 0.1 0% 0.0 2.9 1% 0 7.0 2.0 0.9 1.0 sda 0.0 0.0 0.0 0% 0.0 0.0 0.0 0.0 0.0 0% 0.0 0.0 0% 0 0.0 0.0 0.0 1.0 sda2 0.0 0.0 0.0 0% 0.0 0.0 0.0 0.0 0.0 0% 0.0 0.0 0% 0 0.0 0.0 0.0 1.0 dm-0 0.0 0.0 0.0 0% 0.0 0.0 0.0 0.0 0.0 0% 0.0 0.0 0% 0 0.0 0.0 0.0
