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Search Results for: big insert

Announcing TokuDB v5.0: Making Big Data Agile

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The Big Data Opportunity “What if you could analyze every transaction, capture insights from every customer interaction, and didn’t have to wait for months to get data from the field?”- McKinsey Column, Financial Times Despite …

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MySQL on Amazon RDS part 1: insert performance

Amazon’s Relational Database Service (RDS) is a cloud-hosted MySQL solution. I’ve had some clients hitting performance limitations on standard EC2 servers with EBS volumes (see SSD versus EBS death match), and one of them wanted …

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Index lock and adaptive search – next two biggest InnoDB problems

Running many benchmarks on fast storage (FusionIO, SSDs) and multi-cores CPUs system I constantly face two contention problems. So I suspect it’s going to be next biggest issues to make InnoDB scaling on high-end system. …

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Hacking for Faster Insertions: Is this really how you want to spend your time?

Recall that I’ve claimed that it takes 28 years to fill a disk with random insertions, given a set of reasonable assumptions. Recall what they are: We are focusing on the storage engine (a la …

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INSERT ON DUPLICATE KEY UPDATE and REPLACE INTO

Jonathan Haddad writes about REPLACE INTO and INSERT ON DUPLICATE KEY UPDATE. Really, Why MySQL has both of these, especially both are non ANSI SQL extensions ? The story here seems to be the following …

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INSERT ON DUPLICATE KEY UPDATE and summary counters.

INSERT … ON DUPLICATE KEY UPDATE is very powerful but often forgotten MySQL feature. It was introduced in MySQL 4.1 but I still constantly see people unaware of it. Myself I like this feature big …

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Write Optimization: Myths, Comparison, Clarifications, Part 2

In my last post, we talked about the read/write tradeoff of indexing data structures, and some ways that people augment B-trees in order to get better write performance. We also talked about the significant drawbacks …

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Featured Talk: The Future of Replication is Today: New Features in Practice

In the past years, both MySQL 5.6, MySQL 5.7 and MariaDB 10 have been successful implementing new features. For many DBAs, the “old way” of replicating data is comfortable so taking the action to implement …

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Why base64-output=DECODE-ROWS does not print row events in MySQL binary logs

Lately I saw many cases when users specified option --base64-output=DECODE-ROWS  to print out a statement representation of row events in MySQL binary logs just to get nothing. Reason for this is obvious: option --base64-output=DECODE-ROWS  does …

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Percona Server 5.6.25-73.0 is now available

Percona is glad to announce the release of Percona Server 5.6.25-73.0 on July 1, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories. Based on MySQL 5.6.25, including all the bug …

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