pt interval

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Use pt-heartbeat to monitor master-slave replication latency and pt-heartbeat master-slave

Use pt-heartbeat to monitor master-slave replication latency and pt-heartbeat master-slave MySQL master-slave replication is an important part of the MySQL high-availability architecture. It can be used to achieve load balancing, high availability

Use pt-heartbeat to monitor master-slave replication latency

MySQL master-slave replication is an important part of the MySQL high-availability architecture. It can be used to achieve load balancing, high availability and failover, and provide backup. For master-slave replication monitoring, it is not

Principles and Application of pt-online-schema-change, ptonlinechangeschema

Principles and Application of pt-online-schema-change, ptonlinechangeschema If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the blog garden. Thank you for your

Monitoring master-slave replication latency using Pt-heartbeat

MySQL master-slave replication is an important part of MySQL's highly available architecture, which can be used for load balancing, high availability and failover, as well as providing backup and more. For master-slave replication monitoring,

Use pt-query-digest to find the SQL statement that is not suitable, pt-query-digestsql

Use pt-query-digest to find the SQL statement that is not suitable, pt-query-digestsql  Overview of pt-query-digest1. Indexes can be executed more quickly, but there must be unreasonable indexes. If you want to find those indexes that are not very

MySQL slow query (ii)-Pt-query-digest detailed slow query log pt-query-digest slow log analysis

Essays-66 Articles-0 comments-MySQL slow query (ii)-Pt-query-digest detailed slow query log one, Introduction Pt-query-digest is a tool for analyzing MySQL slow query, it can analyze Binlog, Gene RAL Log, Slowlog, can also be analyzed via

Introduction to common killing process parameters of pt-kill and parameters of pt-kill

Introduction to common killing process parameters of pt-kill and parameters of pt-kill Pt-kill is an excellent tool for kill MySQL connection and is part of percona toolkit, when the maximum number of connections is exceeded due to a large number of

Use pt-stalk to diagnose MySQL Problems

Transient appearance on the MySQL server (5 ~ 30 seconds) when the performance fluctuates, it is difficult for general performance monitoring tools to grasp the fault site, and it is difficult to collect the corresponding fine-grained diagnosis

Percona Toolkit Study (ii) (Pt-config-diff,pt-deadlock-logger,pt-diskstats)

Pt-config-diffCompare MySQL configuration files and server parametersExample:PT-CONFIG-DIFF/ETC/MY.CNF h=192.168.53.11--user=root--password=123456--socket=/tmp/mysql.sockpt-config-dirr/etc /my.cnf/etc/my_slave.cnfThe contents are as

MySQL -- pt-osc tool learning, mysql -- pt-osc Tool

MySQL -- pt-osc tool learning, mysql -- pt-osc Tool ##=================================================== ====================== ##Pt-osc workflow:1. Check whether the table has a primary key or a unique index and whether a trigger exists.2. Check

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