Comment: Partially OpenSourced
Looks like I jumped the gun – there’s now an “official” announcement regarding 5.1 – http://www.mysql.com/news-and-events/press-release/release_2008_14.html – which states it will be GA by the end of...
View ArticlePost: Analyzing air traffic performance with InfoBright and MonetDB
…40GHz. InfoBright (ICE) version: 5.1.14-log build number (revision)=IB_3.2_GA_5316(ice) MonetDB version… field. After that load statement is: mysql -S /tmp/mysql-ib.sock -e “LOAD DATA INFILE ‘/… 2000...
View ArticleComment: Debugging problems with row based replication
MySQL 5.1 default binlog_format in GA has always been STATEMENT. The main reason for this choice … we wanted to avoid compatibility issues. Notice that 5.1 has been GA since version 5.1.30. I must say...
View ArticlePost: MySQL End Of Life (EOL) Policy
… in March 2008 containing fixes for security and critical bugs. It is also worth to note even though MySQL 5.0 successor (MySQL 5.1) is still not released as GA, MySQL 5.0 Active LifeCycle will end in...
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XtraDB benchmarks – 1.5X gain in IO-bound load
I guess it is first reaction on new storage engine – show me benefits. So there is benchmark I made on one our servers. It is Dell 2950 with 8CPU cores and RAID10 on 6 disks with BBU, and 32GB RAM on...
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High-Performance Click Analysis with MySQL
We have a lot of customers who do click analysis, site analytics, search engine marketing, online advertising, user behavior analysis, and many similar types of work. The first thing these have in...
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XtraDB/InnoDB CPU bound benchmarks on 24cores server
One of our customers gave me a chance to run some benchmarks on 24-core (intel cpu based) server, and I could not miss it and ran few CPU-bound tasks there. The goal of benchmarks was investigation of...
View ArticleCompression for InnoDB backup
Playing with last version of xtrabackup and compress it I noticed that gzip is unacceptable slow for both compression and decompression operations. Actually Peter wrote about it some time ago, but I...
View ArticleAir traffic queries in InfiniDB: early alpha
As Calpont announced availability of InfiniDB I surely couldn’t miss a chance to compare it with previously tested databases in the same environment. See my previous posts on this topic: Analyzing air...
View Articletable_cache negative scalability
Couple of months ago there was a post by FreshBooks on getting great performance improvements by lowering table_cache variable. So I decided to investigate what is really happening here. The “common...
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Paul McCullagh answers your questions about PBXT
Following on from our earlier announcement, Paul McCullagh has responded with the answers to your questions – as well as a few I gathered from other Percona folks, and attendees of OpenSQL Camp. Thank...
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Shard-Query adds parallelism to queries
Preamble: On performance, workload and scalability: MySQL has always been focused on OLTP workloads. In fact, both Percona Server and MySQL 5.5.7rc have numerous performance improvements which benefit...
View ArticleMySQL opening .frm even when table is in table definition cache
or… “the case of Stewart recognizing parameters to the read() system call in strace output”. Last week, a colleague asked a question: I have an instance of MySQL with 100 tables and the...
View ArticleComment: Partially OpenSourced
Looks like I jumped the gun – there’s now an “official” announcement regarding 5.1 – http://www.mysql.com/news-and-events/press-release/release_2008_14.html – which states it will be GA by the end of...
View ArticleComment: Debugging problems with row based replication
MySQL 5.1 default binlog_format in GA has always been STATEMENT. The main reason for this choice … we wanted to avoid compatibility issues. Notice that 5.1 has been GA since version 5.1.30. I must say...
View ArticlePost: MySQL End Of Life (EOL) Policy
… in March 2008 containing fixes for security and critical bugs. It is also worth to note even though MySQL 5.0 successor (MySQL 5.1) is still not released as GA, MySQL 5.0 Active LifeCycle will end in...
View ArticleClik here to view.
High-Performance Click Analysis with MySQL
We have a lot of customers who do click analysis, site analytics, search engine marketing, online advertising, user behavior analysis, and many similar types of work. The first thing these have in...
View ArticleClik here to view.
XtraDB/InnoDB CPU bound benchmarks on 24cores server
One of our customers gave me a chance to run some benchmarks on 24-core (intel cpu based) server, and I could not miss it and ran few CPU-bound tasks there.The goal of benchmarks was investigation of...
View ArticleCompression for InnoDB backup
Playing with last version of xtrabackup and compress it I noticed that gzip is unacceptable slow for both compression and decompression operations. Actually Peter wrote about it some time ago, but I...
View ArticleAir traffic queries in InfiniDB: early alpha
As Calpont announced availability of InfiniDB I surely couldn’t miss a chance to compare it with previously tested databases in the same environment. See my previous posts on this topic: Analyzing air...
View Article