June 19, 2013

Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue

… on Percona Server 5.5.30-30.2 — New Features: Percona Server for MySQL has implemented priority connection scheduling for the Thread Pool. (Alexey Kopytov) Percona Server… release of Percona Server for MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling…

Post: Percona Server for MySQL 5.5.30-30.2 now available

… at Launchpad. New Features: Percona Server for MySQL has implemented priority connection scheduling for the Thread Pool. (Alexey Kopytov) Percona Server for MySQL will now… release of Percona Server for MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling…

Post: trx descriptors: MySQL performance improvements in Percona Server 5.5.30-30.2

… follows. Whenever a connection wants to create a consistent read, it has to make a snapshot of the transaction states to determine… in Percona Server attacks this problem from a different (and a wider!) angle. It requires neither read-only server nor rewriting application queries. Furthermore, it

Post: Memory allocators: MySQL performance improvements in Percona Server 5.5.30-30.2

…) memory allocation is an costly operation and if memory allocator has scalability problems (like allocator from glibc) this will notably slowdown… Percona Server, for each connection we use a preallocated read view structure, reuse that memory during the entire connection lifetime and free it

Post: Benchmarking Percona Server TokuDB vs InnoDB

After compiling Percona Server with TokuDB, of course I wanted to compare InnoDB performance … long. So there we see the strong side of TokuDB: it has more than 4x data compression on this dataset. We can… options are: [mysqld_safe] numa-interleave malloc-lib=/usr/local/Percona-Server-5.5.30-rel30.2-500.Linux.x86_64/lib…

Post: Percona XtraBackup 2.0.7 for MySQL available for download

….6-style buffer pool dump files). Percona XtraBackup has implemented support for the InnoDB Buffer …Percona XtraBackup now stores the GTID value in the xtrabackup_binlog_info when doing the backup of MySQL and Percona Server…present in rpm and deb packages, but it was missing from the source .tar.gz…

Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

… downloads area or from our software repositories. New Features: Percona XtraDB Cluster has implemented initial implementation of weighted quorum. Weight for node… #1000761 and #1132934 (Raghavendra D Prabhu). When upgrading the Percona-XtraDB-Cluster-server package, /usr/bin/clustercheck script would get overwritten, and… (Teemu Ollakka). Based on Percona Server 5.5.30-30.2 including all the bug fixes in it and on Codership wsrep API…

Post: Keynotes, BOFs, and the Community Networking Reception at Percona Live MySQL Conference and Expo

… all coming to understand: “It is now over … alternatives and complementary products has emerged to provide MySQL…Percona Server and Related Projects Stewart Smith, Director of Server Development, Percona Topic: “Percona Server 5.6” Jay Janssen, Consulting Lead, Percona Topic: “Migrating to Percona

Post: Announcing Percona XtraBackup 2.1.1 GA

has been removed from Percona XtraBackup. After being deprecated in previous version, option –remote-host has been completely removed in Percona XtraBackup 2.1. Percona…. Bug fixed #1172016. Percona XtraBackup would assume the table has been dropped if the tablespace was renamed after it was scanned by XtraBackup… remove it or fail if it cannot be removed. Bug fixed #1175860. xtrabackup –stats option would not work with server datadir if the server

Post: Percona XtraBackup 2.1.0 'release candidate' for MySQL available for download

…6-style buffer pool dump files). Percona XtraBackup has implemented support for the InnoDB Buffer…it is copied back to data directory. After the backup is restored buffer pool dump can be loaded by the serverPercona Server 5.6 as described in Exporting and Importing Tables guide. Bugs Fixed: Percona