… with MySQL 5.4 ® and also port all performance fixes to 5.0 tree. So basically we made: new split-buffer-mutex patch, which… in this case for XtarDB / 5.0.83-percona. And, by the way, Yasufumi also made new patch for second implementation of adaptive_checkpoint…/percona-xtradb:patch:start) And now 5.0-tree will contain all performance fixes and show the same results as 5.4 Both 5.0.83-percona…
Post: 5.0.83-build17 Percona binaries
July 28, 2009 By 19 Comments
… Percona patches is available. New features in the release: MySQL-5.0.83 is taken as the basis The new patch innodb_use_sys_malloc.patch is added The new patch innodb_split_buf_pool_mutex.patch… with the patches here http://www.percona.com/mysql/5.0.83-b17/ The Percona patches live on Launchpad : https://launchpad.net/percona-patches and you…
Comment: 5.0.83-build17 Percona binaries
July 28, 2009 By 19 Comments
Are you aware of CVE-2009-2446? 5.0.83 is affected, it’s fixed in 5.0.84 with this patch: http://lists.mysql.com/commits/77649
Comment: MySQL 5.5-m2 scalability
March 1, 2010 By 17 Comments
… back then the Percona build was mostly just the Google patches plus extra debugging info? Then again, you mentioned it yourself…/07/14/performance-improvements-in-percona-5-0-83-and-xtradb/ You specifically made changes to “align with 5.4″ — because it wasn’t…
Post: What is stored InnoDB buffer pool
September 28, 2008 By 8 Comments
…not so hard actually – we made a short patch for MySQL 5.0 which show innodb buffer pool content mysql> select *…0 | 0 | 0 | 0 | 51 | 5 | unknown | | | | | 81 | 1 | 2 | 0 | 0 | 0 | 0 | 51 | 3 | inode | | | | | 82 | 1 | 137 | 807 | 10491 | 0 | 0 | 51 | 17855 | index | PRIMARY | art | author87 | | 83 |…
Comment: Returning to InnoDB scalability
August 7, 2006 By 42 Comments
…you Vadim. I tried this patch. However, it became a hit to the bug and MySQL… 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92… [Note] /opt/mysql/bin/mysqld: ready for connections. Version: ‘5.0.22-log’ socket: ‘/tmp/mysql.sock’ port: 3306 Source distribution …
Post: Compression for InnoDB backup
March 16, 2009 By 19 Comments
… level of compression ( 1,2,3 for qpress; -1 and -5 for other tools) The raw results are available here http… of processing is too slow. What is interesting on Level 5 the compression is worse than in pigz Level… I would like to see parallel version. There is the patch for it, but it did not apply clean to lzop…
Post: Estimating Replication Capacity
July 20, 2010 By 4 Comments
… “UserStats” functionality from Google patches, which is now …5.75k 124.25 # Bytes sen 1.94M 0 9.42k 1.67 0 110.38 0 # Killed 0 0 0 0 0 0 0 # Last errn 34.11M 0 1.55k 29.26 0 185.83 0 # Merge pas 0 0 0 0 0 0 0 # Rows affe 875.19k 0 17.55k 0…
Post: Testing the Group Commit Fix
July 13, 2011 By 13 Comments
…The fix came into MariaDB 5.3 and Mark Callaghan tested it recently . We ported this patch to Percona Server (it… is enabled: Threads Nofix Group Commit fix 1 352.83 371.17 2 682.41 676.39 4 1265… last test was done with a disabled sync_binlog=0 and without write-back cache: Threads Nofix Group Commit…
