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10 Newer Entries Showing entries 91 to 100 of 281 10 Older Entries

Displaying posts with tag: TokuDB (reset)

MariaDB Storage Engine for CCM forum
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CCM Benchmark is one of the leading forum provider on the web,  ROI is a major concern for them  and historically MyISAM was used on the forum replication cluster.  Reason is that MyISAM gave better ROI/performance on data that is hardly electable to cache mechanism.

This post is for MySQL users at scale,  if the number of servers or datacenter cost is not an issue for you, better get some more memory or flash storage and ou will found Lucifer server to demonstrate that your investment is not a lost of money or just migrate to Mongo.  

Quoting Damien Mangin, CTO at CCM "I like my data to be small, …



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TokuMX Fractal Tree(R) indexes, what are they?
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With our recent release of TokuMX 1.0, we’ve made some bold claims about how fast TokuMX can run MongoDB workloads. In this post, I want to dig into one of the big areas of improvement, write performance and reduced I/O.

One of the innovations of TokuMX is that it eliminates a long-held rule of databases: to get good write performance, …

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Announcing TokuDB v7 Enterprise Edition: Hot Backup and Support
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As promised, the Enterprise Edition of TokuDB®, Version 7, is ready. TokuDB Version 7, Enterprise Edition, introduces Hot Backup. You can now back up all your TokuDB tables directly from MySQL or MariaDB, with no down time. In addition, TokuDB Enterprise Edition comes with a support package.

TokuDB v7 Enterprise Edition maintains all our established advantages: hot schema changes, excellent compression, fast trickle load, fast bulk load, fast range queries through clustering indexes, no fragmentation, and full MySQL/MariaDB compatibility for ease of installation.

For details on pricing and supported MySQL and MariaDB versions, please see …

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Converting compressed InnoDB tables to TokuDB 7.0.1
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Or: how to make it work in TokuDB version 7.0.1. This is a follow up on a discussion on the tokudb-user group.

Background

I wanted to test TokuDB's compression. I took a staging machine of mine, with production data, and migrated it from Percona Server 5.5 To MariaDB 5.5+TokuDB 7.0.1. Migration went well, no problems.

To my surprise, when I converted tables from InnoDB to TokuDB, I saw an increase in table file size on disk. As explained by Tim …

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MySQL bug 69179 – INFORMATION_SCHEMA.PARTITIONS causes query plan changes
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Shard-Query examines INFORMATION_SCHEMA.PARTITIONS to determine if a table is partitioned.  When a table is partitioned, Shard-Query creates multiple background queries, each limited to a single partition.  Unfortunately, it seems that examining INFORMATION_SCHEMA.PARTITIONS causes query plans to change after the view is accessed.

I have reported bug 69179 to MySQL AB  Oracle Corporation(old habits die hard).

Be careful: If you have automated tools (like schema management GUI tools) then make sure they …

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TokuDB vs Percona XtraDB using Tokutek’s MariaDB distribution
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Following are benchmark results comparing Tokutek TokuDB and Percona XtraDB at scale factor 10 on the Star Schema benchmark. I’m posting this on the Shard-Query blog because I am going to compare the performance of Shard-Query on the benchmark on these two engines. First, however, I think it is important to see how they perform in isolation without concurrency.

Because I am going to be testing Shard-Query, I have chosen to partition the “fact” table (lineorder) by month. I’ve attached the full DDL at the end of the post as well as the queries again for reference.

I want to note a few things about the …

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The ARCHIVE Storage Engine
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I wonder how much longer the ARCHIVE storage engine is going to ship with MySQL…. I think I’m the last person to actually fix a bug in it, and that was, well, a good number of years ago now. It was created to solve a simple problem: write once read hardly ever. Useful for logs and the like. A zlib stream of rows in a file.

You can actually easily beat ARCHIVE for INSERT speed with a non-indexed MyISAM table, and with things like TokuDB around you can probably get pretty close to compression while at the same time having these things known as “indexes”.

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Presenting at tomorrow’s Effective MySQL Meetup (New York City)
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At tomorrow’s Effective MySQL Meetup, I’ll be presenting “Fractal Tree Indexes : Theory and Practice (MySQL and MongoDB).” The meetup is at 6:30pm Tuesday, May 14, 2013, and will be held at Alley NYC in New York City.

I’ll give an overview on how Fractal Tree® indexes work, and then get into specific product features that Fractal Trees enable in MySQL and MongoDB.  Some …

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Open Source, the MySQL market (and TokuDB in particular)
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I was reviewing the Percona Live sponsors list the other day and pondering the potential success stories associated with this product or that one…. and as I was preparing to put more thought on the topic, a PlanetMySQL post caught my eye. It was penned by Mike Hogan and titled, “Thoughts on Xeround and Free!

For some …

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Benchmarking Percona Server TokuDB vs InnoDB
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After compiling Percona Server with TokuDB, of course I wanted to compare InnoDB performance vs TokuDB.
I have a particular workload I’m interested in testing – it is an insert-intensive workload (which is TokuDB’s strong suit) with some roll-up aggregation, which should produce updates in-place (I will use INSERT .. ON DUPLICATE KEY UPDATE statements for that), so it will produce all good amount of reads.

A few words about the hardware: I am going to use new the Dell …


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10 Newer Entries Showing entries 91 to 100 of 281 10 Older Entries

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