… cluster section, and it’s important to understand that this tool only currently connections to a single node (by default, localhost… which node was the originator of the transaction. Flow Flow gives some information about Flow Control events. Galera has some sophisticated ways of… (and hence overall cluster writes) down. snt wsrep_flow_control_sent — how many flow control events were SENT from this node. Handy…
Post: Realtime stats to pay attention to in Percona XtraDB Cluster and Galera
November 26, 2012 By 4 Comments
Post: Data mart or data warehouse?
July 15, 2010 By 14 Comments
… or more data transformations is usually called a “flow“. An example ETL flow might combine data from item and category information into… it may be on MySQL, but it is definitely possibly to use MySQL as long as the right tools and techniques are used. There are ways in which can add some of these features to MySQL as well…
Post: Infinite Replication Loop
October 10, 2011 By 2 Comments
…’ s have a look first at the normal flow: Replication flow: [1] When you setup MySQL replication, you define the global variable server… disable any automatic failover during the process because high availability tools like mmm can cause failover if you stop replication # mmm… wrong server-id are performed on the two slaves (mysql 3 and mysql 4) and the new events (with server-id 1…
Comment: Updated msl (microslow) patch, installation walk-through!
May 12, 2008 By 17 Comments
… recent mysql releaseshttp://www.mysqlperformanceblog.com/2008/04/20/updated-msl-microslow-patch-installation-walk-through…Flow-tools PATCH 4/8 Make flow-tools more…
Comment: Resyncing table on MySQL Slave
July 1, 2008 By 11 Comments
… makes the process much more elaborate if you have traffic flowing as you need to ensure the table is “synced” at…. If you just want to do things once using Stock MySQL tools that is what I mainly wrote about. Thanks for feedback…
Post: How Percona Develops Open-Source Software
January 9, 2009 By 4 Comments
… a toolkit that provides advanced functionality for MySQL. We have a team of dedicated MySQL developers working on the server and on… particular need for some modification to the MySQL server, XtraDB, Maatkit, our InnoDB data recovery tools, MMM, innotop, or even projects like… a reality. Where It All Begins Our open-source efforts flow from our company values. We believe that software and information…
