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10 Newer Entries Showing entries 31 to 40 of 121 10 Older Entries

Displaying posts with tag: xtradb (reset)

Building MariaDB 5.1 on Windows
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Recently, I found myself needing MariaDB 5.1.60 for Windows for some testing purposes. Therefore, I needed to build it from source. I ended up using what I’d call a “blend” of the commands listed in this “how-to” and the readme file INSTALL-WIN-SOURCE, so I thought I’d post those steps.

  1. Download 5.1.60 MariaDB source from here.
  2. cd C:\mariadb-5.1
    
  3. win\configure.js
    
  4. cmake .
    
  5. VS: File -> Open -> Solution …
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InnoDB Plugin Version History
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I’m often wondering what version of the InnoDB Plugin is included with which version of MySQL (or MariaDB). The MySQL changelogs used to denote which version of the InnoDB plugin was included with that particular release of MySQL, but sadly this is no longer the case.

Therefore I’ve compiled a comprehensive list which contains all of this info, and then some (and note all InnoDB Plugin changelog links are provided at the bottom).

Hope you find it helpful

MySQL 5.6:

MySQL     Plugin     Status
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Effects of ALL_O_DIRECT on a TPCC workload
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Recently Mark Callaghan blogged about using O_DIRECT for the InnoDB transaction log. He noted that there was not a significant performance gain if the number of concurrent connections increases. I've done my share of testing and retesting over the past months to determine how useful this is. Based on a small TPCC workload (100 warehouses, 64 connections, 1 hour test, 5 minute rampup), I've seen huge performance gains by setting ALL_O_DIRECT for the variable innodb_flush_method using Percona XtraDB.

Without using Direct I/O, the benchmark …

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Percona Server 5.1.55-12.6
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Percona Server version 5.1.55-12.6 is now available for download. It is now the current stable release version.

Changes

  • Fixed compiler warnings in both the core server and in XtraDB. (Alxey Kopytov, Yasufumi Kinoshita)

Bugs Fixed

  • Bug #602047 – The ROWS_READ columns of TABLE_STATISTICS and INDEX_STATISTICS were not properly updated when a query involved index lookups on an InnoDB table. (Yasufumi Kinoshita)
  • Bug #707742 – The …
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Percona Server 5.5.8 Beta Release
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It’s finally here! Percona Server Percona Server 5.5.8-20.0 is now available for download. This is a beta release of Percona’s enhancements to the MySQL 5.5.8 server. Here are some highlights:

  • Performance and scalability improvements throughout the server and storage engine
  • Optimizations for flash storage such as SSD, Virident, and FusionIO
  • Optimizations for cloud computing
  • The HandlerSocket plugin for NoSQL access
  • There’s an Amazon OS repository, as well as Yum and Apt repositories
  • Improvements to replication, partitioning, stored procedures
  • More …
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Percona Server 5.1.54-12.5
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Percona Server version 5.1.54-12.5 is now available for download. It is now the current stable release version.

Functionality Added or Changed

  • Percona Server 5.1.54-12.5 is based on MySQL 5.1.54.
  • New Features Added: None
  • Other Changes:
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Percona Server 5.1.53-12.4
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Percona Server version 5.1.53-12.4 is now available for download. It is now the current stable release version.

Functionality Added or Changed

  •  Percona Server 5.1.53-12.4 is based on MySQL 5.1.53.
  •  New Features Added:
    • Precompiled UDFs for Maatkit (FNV and MurmurHash hash functions to provide faster checksums) are now included in distributions. Fixes feature request #689992. (Aleksandr Kuzminsky)
  [Read more...]
MySQL 5.5.8 and Percona Server on Fast Flash card (Virident tachIOn)
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This is to follow up on my previous post and show the results for MySQL 5.5.8 and Percona Server on the fastest hardware I have in our lab: a Cisco UCS C250 server with 384GB of RAM, powered by a Virident tachIOn 400GB SLC card.

To see different I/O patterns, I used different …

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MySQL 5.5.8 and Percona Server: being adaptive
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As we can see, MySQL 5.5.8 comes with great improvements and scalability fixes. Adding up all the new features, you have a great release. However, there is one area I want to touch on in this post. At Percona, we consider it important not only to have the best peak performance, but also stable and predictable performance. I refer you to Peter's post, Performance Optimization and Six Sigma.

In Percona Server (and actually even before that, in percona-patches builds for 5.0), we added …

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Percona Server 5.1.53-11.7
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Percona Server version 5.1.53-11.7 is now available for download.

The main purpose of this release is to update the current Percona stable release to the latest version of MySQL 5.1.

Functionality Added or Changed

  •  Percona Server 5.1.53-11.7 is now based on MySQL 5.1.53.
  •  New Features Added: None
  •  Other Changes: None

Bugs Fixed

  • Bug #643149 - Slow query log entries were not being done in the usual parsing format. (Alexey Kopytov)
  [Read more...]
10 Newer Entries Showing entries 31 to 40 of 121 10 Older Entries

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