… repositories. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. This release of Percona… fail-over that server. Bug fixed #1035927 (Raghavendra D Prabhu). High values in variables evs.send_window and evs.user_send_window could trigger cluster crash under high load. Bug fixed #1080539 (Teemu Ollakka). Standard MySQL port would…
Comment: Virident vCache vs. FlashCache: Part 1
May 17, 2013 By 3 Comments
… only 500GB. What are my options for achieving the best performance? I could by a ton of RAM, but that isn… it’s still significantly slower (and more CPU-intensive under high load) than PCIe flash For example, see http://www.ssdperformanceblog…, not Virident, but there’s a comparison in TPCC-MySQL performance between that card and a traditional SSD – the PCIe card…
Post: Is Synchronous Replication right for your app?
May 14, 2013 By 18 Comments
… (PXC) and mostly they are interested in PXC as a high-availability solution. But, what they tend not to think too… does NOT set an lower bound on performance, only a upper bound. The best performance you can expect is modifying a given… update much faster. I see this tuning very frequently for “performance” reasons when data durability isn’t as crucial. This is…
Comment: Benchmarking Percona Server TokuDB vs InnoDB
May 7, 2013 By 32 Comments
… benchmark from you as a reference for having outstanding checkpoint performance (eg http://www.tokutek.com/2012/04/tokudb-v6-0…-performance-hit ) Also, which TokuDB row compressor was used? Default or lzma? If you used the default one it would be highly interesting to see the performance with lzma compression.
Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue
April 24, 2013 By Leave a Comment
… library. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. (Ignacio Nin) This release… Server for MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling… bug #49169. This also provides much better scalability in InnoDB high-concurrent workloads. Bugs fixed #1131189 (Alexey Kopytov). In the event…
Post: Percona Server for MySQL 5.5.30-30.2 now available
April 10, 2013 By 10 Comments
… library. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. (Ignacio Nin) This release… Server for MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling… bug #49169. This also provides much better scalability in InnoDB high-concurrent workloads. Bugs fixed #1131189 (Alexey Kopytov). In the event…
Post: Percona Monitoring Plugins 1.0.3 for MySQL now available
April 23, 2013 By 4 Comments
… release of Percona Monitoring Plugins 1.0.3 for MySQL — high-quality components to add enterprise-grade MySQL monitoring and graphing…: * MySQL 5.6 compatibility for InnoDB graphs (bug 1124292) * Added performance data to Nagios plugins (bugs 1090145, 1102687) * Added UTC option…
Post: Percona XtraBackup 2.1.0 for MySQL beta now available
April 22, 2013 By Leave a Comment
… and is not intended for production. If you want a high quality, generally available release, the current stable version should be…). Percona XtraBackup can use XtraDB changed page tracking feature to perform the Incremental Backups now. Bugs Fixed: Fixed couple of warnings…
Comment: Why MySQL Performance at Low Concurrency is Important
March 31, 2013 By 8 Comments
… benchmark with fast (100 to 200 usecs) queries: * performance_schema overhead is too high for benchmarks * innodb_checksum_algorithm=CRC32 is a…
Comment: MySQL 5.6 - InnoDB Memcached Plugin as a caching layer
March 29, 2013 By 10 Comments
… though you need to test how it scales with high concurrency – besides raw performance not suffering badly from large number of concurrent…
