MariaDB: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
== Infrastruktur == | == Infrastruktur == | ||
| Line 48: | Line 47: | ||
* [http://severalnines.com/product/clustercontrol/deploy ClusterControl] | * [http://severalnines.com/product/clustercontrol/deploy ClusterControl] | ||
=Checksum= | |||
Gennemført på | |||
* test | |||
* master | |||
* logs | |||
Revision as of 19:32, 12 June 2016
Infrastruktur
- PT er netværket daisychained : Server-rack -> krydsfelt 1. sal -> krydsfelt stue -> serverrum stue
- Er der Gbit link i samtlige led ?
- INGEN Ups på switce i krydsfelter
- Ingen failover link - ingen Spanning Tree
- Risiko for split-brain scenarios ?
PHP/MySQL med failover
- Alle der udvikler PHP til info SKAL læse
Monitorering
Følgende targets skal sættes i nagios for alle 3 nodes
- Galera cync
- Intel SSD
- SW Raid
- MySQL connection
- free space:
- root partition
- /mnt/data
- CPU forbrug
Ting at være obs på
- LOAD DATA INFILE - forventer lokale filer
- LOAD DATA LOCAL INFILE er implicit IGNORE, så der kommer ingen fejl hvis at der er fejl i datafilen
Ting der skal undersøges
Links
- https://www.percona.com/doc/percona-toolkit/2.2/index.html
- Generic:
- pt-heartbeat - Monitor MySQL replication delay.
- pt-index-usage - Read queries from a log and analyze how they use indexes.
- pt-variable-advisor - Analyze MySQL variables and advise on possible problems
- Migration:
- https://www.percona.com/doc/percona-toolkit/2.2/pt-upgrade.html
- pt-table-checksum
- pt-table-sync - Synchronize MySQL table data efficiently.
Checksum
Gennemført på
- test
- master
- logs