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Presentations Announcement: 2010 O’Reilly MySQL Conference & Expo

The Percona team participated at this year’s O’Reilly MySQL Conference & Expo held April 12-15, 2010 in Santa Clara, California. We gave a lot of talks on…

Author: Peter Zaitsev, Justin Swanhart

MySQL Graphing and Trending with Cacti

Author: Baron Schwartz

Percona‘s Performance and Feature Enhancements to MySQL and InnoDB

Author: Bill Schuler, Baron Schwartz…a Bottleneck

Author: Morgan Tocker

XtraBackup Hot Backups and More

Author: Vadim Tkachenko, Morgan Tocker

You can also read more about this conference on Percona site.

Percona sessions at the MySQL conference

Many Percona employees will be at the 2010 MySQL conference. We’ll be giving a lot of informative technical talks on various topics. Here’s a list: Morgan Tocker, Baron Schwartz: Diagnosing and Fixing MySQL Performance Problems Peter Zaitsev: Scaling Applications with Caching, Sharding and Replication Baron Schwartz: EXPLAIN Demystified Vadim Tkachenko: An Overview of Flash Storage [...]

Finding your MySQL High-Availability solution â€“ The questions

After having reviewed the definition my the previous post (The definitions), the next step is to respond to some questions. Do you need MySQL High-Availability? That question is quite obvious but some times, it is skipped. It can also be formulated “What is the downtime cost of the service?”. In the cost, you need to [...]

MySQL Binaries Percona build10

We made new binaries for MySQL 5.0.67 build 10 which include next fixes: We addressed concerns about potential logging and statistics overhead, so now you can fully turn on / off query statistics for microslow patch and user statistics in runtime. Next variables were added:

| slow_query_log                  | ON                                           |
| slow_query_log_file             | /var/lib/mysql/slow_query.log                |
for compatibility with MySQL 5.1
and
| userstat_running                | OFF                                          |
to control gathering of user statistics.

| slow_query_log | ON |

| slow_query_log_file | /var/lib/mysql/slow_query.log |

for compatibility with MySQL 5.1

and

| userstat_running | OFF |

to control gathering of user statistics.

With both slow_query_log = OFF and userstat_running = OFF [...]

Percona build7 with latest patches

We made new binaries for MySQL 5.0.67 build 7 which include patches we recently announced. The -percona release includes:

| innodb_check_defrag.patch                        | Session status to check fragmentation of the last InnoDB scan                            | 1.0     | Percona <info@percona.com>       | GPL     | The names are Innodb_scan_*                                                                      |
| userstatsv2.patch                                | SHOW USER/TABLE/INDEX statistics                                                         | V2      | Google                           | GPL     | Added INFORMATION_SCHEMA.*_STATISTICS                                                            |
| show_patches.patch                               | SHOW PATCHES                                                                             | 1.0     | Jeremy Cole                      | N/A     |                                                                                                  |
| innodb_io_patches.patch                          | Cluster of past InnoDB IO patches                                                        | 1.0     | Percona                          | GPL     | This patch contains fixed (control_flush_and_merge_and_read, control_io-threads, adaptive_flush) |
| innodb_show_hashed_memory.patch                  | Adds additional information of InnoDB internal hash table memories in SHOW INNODB STATUS | 1.0     | Percona <info@percona.com>       | GPL     |                                                                                                  |
| innodb_io_pattern.patch                          | Information schema table of InnoDB IO counts for each datafile pages                     | 1.0     | Percona <info@percona.com>       | GPL     | INFORMATION_SCHEMA.INNODB_IO_PATTERN                                                             |
| microsec_process.patch                           | Adds INFOMATION_SCHEMA.PROCESSLIST with TIME_MS column                                   | 1.0     | Percona <info@percona.com>       | GPL     |                                                                                                  |
| innodb_locks_held.patch                          | Add locks held, remove locked records in SHOW INNODB STATUS                              | 1.0     | Baron Schwartz <baron@xaprb.com> | GPL     | Bug #29126 fix                                                                                   |
| microslow_innodb.patch                           | Extended statistics in slow.log                                                          | 1.1     | Percona <info@percona.com>       | GPL     |                                                                                                  |
| mysqld_safe_syslog.patch                         | Patch allows redirect output of error.log to syslog-ng                                   | 1.0     | Percona <info@percona.com>       | GPL     | Ported from Debian                                                                               |
| innodb_fsync_source.patch                        | Information of fsync callers in InnoDB                                                   | 1.0     | Google                           | GPL     |                                                                                                  |
| innodb_show_bp.patch                             | show innodb buffer pool content                                                          | 1.0     | Percona <info@percona.com>       | GPL     |                                                                                                  |

and -percona-highperf release additionaly includes

| split_buf_pool_mutex_fixed_optimistic_safe.patch | InnoDB patch to fix buffer pool scalability                                              | 1.0     | Yasufumi Kinoshita               | BSD     |                                                                                                  |
| innodb_rw_lock.patch                             | Fix of InnoDB rw_locks                                                                   | 1.0     | Yasufumi Kinoshita               | BSD     |

1 2	\| split_buf_pool_mutex_fixed_optimistic_safe.patch \| InnoDB patch to fix buffer pool scalability \| 1.0 \| Yasufumi Kinoshita \| BSD \| \| \| innodb_rw_lock.patch \| Fix of InnoDB rw_locks \| 1.0 \| Yasufumi Kinoshita \| BSD \|

You can download RPMs for RedHat / CentOS 4.x and 5.x for x86_64, binaries, sources and patches there

Meet MySQL Performance Blog guys on MySQL Users Conference

Percona, the company maintaining MySQL Performance Blog has a good presence on the conference this year. We have me (Peter), Vadim, Aurimas, Baron and Andrew attending the show. Alexey had to stay because he could not get Visa in time and Maciek is staying to be able to reliably service emergencies arising with our customers.

Welcome to the team, Baron

As you may have seen from his blog, Baron Schwartz is joining our consulting company – Percona in less than a week. This is exciting news for us as Baron is renowned MySQL community member, blogger, co-author of High Performance MySQL second edition book, author of Maatkit and Innotop and just a great guy. Welcome [...]

Presentations Announcement: 2010 O’Reilly MySQL Conference & Expo

Percona sessions at the MySQL conference

Finding your MySQL High-Availability solution â€“ The questions

MySQL Binaries Percona build10

Percona build7 with latest patches

Meet MySQL Performance Blog guys on MySQL Users Conference

Welcome to the team, Baron

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