Figuring out what limits MySQL Replication
Today I was cloning the master using LVM Snapshot and found it was taking quite a while to catch up, which highlighted replication could be the limiting factor for this system quite soon, so I decided...
View ArticleWorking on “High Performance MySQL, Second Edition”, how you can help?
As you may already have seen announcement by Baron we’re working on major rewrite of High Performance MySQL book – the most famous book about MySQL Performance on the market… which is getting old...
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7 Reasons why MySQL Quality will never be the same
I had a call with Monty the other day and I told him why I think MySQL Server Quality will never be the same again. I’ve been thinking a bit more about it and here is the extended list.In particular I...
View ArticleIdentifying the load with the help of pt-query-digest and Percona Server
OverviewProfiling, analyzing and then fixing queries is likely the most oft-repeated part of a job of a DBA and one that keeps evolving, as new features are added to the application new queries pop up...
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Visualization tools for pt-query-digest tables
When you process MySQL slow query logs using pt-query-digest you can store samples of each query into query_review table and historical values for review trend analysis into query_review_history table....
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You spoke, we listened: Percona Cloud Tools accelerates query reviews
The Percona Cloud Tools beta service continues to grow its query analysis capabilities with new features for reviewing queries. These enhancements will:Provide better visibility into the query...
View ArticleThe future of MySQL quality assurance: Introducing pquery
Being a QA Engineer, how would you feel if you had access to a framework which can generate 80+ crashes – a mix of hitting developer introduced assertions (situations that should not happen), and...
View ArticleAnnouncing TokuDB v6.0: Less Slave Lag and More Compression
We are excited to announce TokuDB® v6.0, the latest version of Tokutek’s flagship storage engine for MySQL and MariaDB.This version offers feature and performance enhancements over previous releases,...
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