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Post: 7 Reasons why MySQL Quality will never be the same

…MySQL 3.23 and MySQL 4.0 team the small tight knit team was working on the server and Monty was personally reviewing…slow. Even though MySQL and Innodb is tight knit system these are two different...

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Post: Detailed review of Tokutek storage engine

… Review was done as part of our consulting practice, but is… kind of log producing application, it can be from simple apache logs put into mysql, application performance logs to more complex log like...

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Post: Percona Toolkit Webinar followup Q&A

…-query-digest master/data/telecaster-slow.log. As mentioned during the webinar, the tool auto detects the log type so typically you will…-query-digest –review...

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Post: Identifying the load with the help of pt-query-digest and Percona Server

… Server is the ability to enable logging atomically, not just for new connections as in MySQL. This is very helpful for measurement… you were using the vanilla MySQL server, you would see an entry...

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Post: What's required to tune MySQL?

…expect to deliver huge wins. If MySQL is actually badly configured, you …the InnoDB buffer pool size or log file size, and not using InnoDB…cache contention, DNS problems, or very slow I/O. In...

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Post: MySQL extensions for hosting

… it can bring the server down. You can have slow query log enabled and review it occasionally, but doing it offline means you… the slow log live, but that is a bit ugly solution. That is where this...

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Post: Figuring out what limits MySQL Replication

… limiting MySQL Replication speed. My first idea was to check it based on slow query log, happily the server was running MySQL with slow query log… of MySQL Logs. Too bad MySQL Binary log is the only...

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Post: Replaying database load with Percona Playback

… the slow query log to the DEV server we can replay the load: percona-playback –mysql-host=127.0.0.1 –mysql-user=root –mysql-schema=my_db –query-log-file=slow.log Executed 429467 queries Spent… shown...

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Post: Visualization tools for pt-query-digest tables

… 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… their stats and post reviews. Box Anemometer...

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Post: Hidden columns of query_review_history table

…-query-digest to process a MySQL slow query log and store historical values for review trend analysis into query_review_history table. According to its… look at a slow log and see them. However, there...

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Post: Let's talk about Percona Server 5.6: Enterprise Grade MySQL (webinar)

….6 to MySQL 5.6, including a review of top deprecated features and their optimized replacements, enhancements to performance monitoring, slow query log, XtraDB… the most manageable, highest...

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Working 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...

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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...

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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...

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Working 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...

View Article

Image may be NSFW.
Clik here to view.

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 Article


Identifying 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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Image may be NSFW.
Clik here to view.

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 Article
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