… latest version of MySQL is fine from a general perspective, but Oracle (and Sun before them) don’t just patch security exploits between… reasons why distributions like to pin release versions.) Given MariaDB is MySQL with patches, I’m not sure quite how much that gains… MariaDB are basically doing that work and making it clear what is and what isn’t security fixes. I should spend a bit…
Post: Announcement of Percona XtraDB Cluster 5.5.20 GA release
April 3, 2012 By 10 Comments
… Percona XtraDB Cluster is a High Availability and Scalability solution for MySQL Users and is based on Percona … a webinar where I will explain what Percona XtraDB Cluster is and how does it work, … XtraDB Cluster is based on Percona Server with XtraDB and includes Write Set REPlication patches. It …
Comment: MariaDB 5.3 is released as GA!
March 7, 2012 By 17 Comments
… is completely different from what the core MySQL community focuses on – in fact I would say MariaDB is seriously underrepresented on places like planet mysql… – it is 100% bug fixes only. Possibly it is the case that distros would only want to patch security issues whereas MySQL also fixes…
Post: What is stored InnoDB buffer pool
September 28, 2008 By 8 Comments
… wonder what is stored in InnoDB buffer pool at the moment ? It is not so hard actually – we made a short patch for MySQL 5.0 which show innodb buffer pool content mysql> select * from… also available to download P.S. There is Jeremy Cole’s patch for InnoDB plugin MySQL 5.1, and main idea was taken…
Post: MySQL Life Cycle. Your Feedback is needed.
November 18, 2011 By 6 Comments
… highly patched and improved version. MySQL 5.0 which went to GA in October 2005 is in minority these days though it is not… is MySQL Upgrade to new version while sticking to very old operating system is important for you ? Finally I’d like to know What is the Oldest Platform/Operating system are you running MySQL on…
Post: What's up with HandlerSocket?
March 28, 2011 By 42 Comments
… what it sounds like, if you performed a write operation via HandlerSocket, you could potentially read stale data from the MySQL interface… of organizations simply use what is provided to them. This was the case with MyISAM in standard distributions of MySQL for the longest… more third-party involvement with bug reports, feature requests, and patches. I see lots of interest in HandlerSocket and am tremendously…
Post: New MySQL Community Release Policies published
August 9, 2007 By 9 Comments
…revenue ? The main issue for me is Change policy for MySQL Community version. We are patching MySQL with minor extension so this concerns …MySQL considers Enterprise Quality ? What is really better for distribution users ? Does MySQL actively “recommends” you not to do so ? I’m really interested what…
Post: Helgrinding MySQL with InnoDB for Synchronisation Errors, Fun and Profit
November 24, 2011 By 2 Comments
… the whole MySQL testsuite is not very practical due to 100x slowdown imposed by Helgrind). For this purpose, I have patched mysql-test-run.pl to accept a new option: –helgrind. The patch is a copy-paste-modify of…-helgrind-51.patch For 5.5: mtr-helgrind-55.patch Now let’s see what kind of goodies does Helgrind find on MySQL server…
Post: fadvise - may be not what you expect
April 2, 2010 By 7 Comments
… the patch, I noticed, that fadvise with FADV_DONTNEED, does not really do what I expected (I used this call as it is… mappings without an underlying file. So it is totally fair. What we may really want is FADV_NOREUSE call. FADV_NOREUSE Access data… that FADV_NOREUSE is no-op operation. Quite hopeless that it is not fixed for many years. As for the patch for tar…
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
… something is disconnecting ungracefully (without closing the connection properly). This is happening 6 times every ten seconds. We need to figure out what is happening because it can indicate something else is wrong. This is… high-performance system is virtually every query.) If it’s not possible to use a patched binary, we can use MySQL Proxy, packet…
