… table. Among other things compression for data pages and uncompressed index pages can be… state of Innodb scalability with multiple threads and multiple concurrent transactions ? HT: The scalability …load is CPU bound and you’re scaling out you can get better performance by using couple of MySQL…
Post: Should MySQL and Web Server share the same box ?
October 16, 2006 By 9 Comments
…need to have multiple servers you may decide ether to grow system in MySQL+Apache pairs or split MySQL And … hardware for them as all you need is CPU power. If box starts to misbehave it is … handling partial load etc. I would however only use it in last resort – placing some data crunching scripts …
Post: How would you compress your MySQL Backup
June 5, 2008 By 29 Comments
…CPU resources on the source server in additional to IO resources which may not be available, especially for CPU bound MySQL Load… may run our of CPU itself, if it is target for multiple backups, plus there … actually can use LZO compression for faster data transfer between the boxes (ie together with…
Post: How multiple disks can benefit for single client workload ?
April 26, 2008 By 4 Comments
…if system is IO bound or CPU bound, while to understand if MySQL goes through more rows … which are designed to spot data access patterns and preform the data before it is needed. …load does not necessary means single outstanding disk IO request at all times. So natively it can benefit from multiple…
Post: MySQL Performance on Memory Appliance
March 31, 2008 By 23 Comments
… never went over few percents and load was mostly CPU bound. Next I went on testing MySQL. My goal was to simulate as… single thread if all data fits to bugger pool, scaling to over 80.000 queries/sec with multiple threads. So Innodb took… it still peaked out at 13.500 queries/sec with multiple threads which corresponds to even worse scalability. Disabling adaptive hash…
Post: Side load may massively impact your MySQL Performance
November 13, 2011 By 7 Comments
… the load and many things can be happening concurrently. It is very typical to hear complains about MySQL … disk IO and mysqldump should have relatively little CPU needs and be bound by disk. Also these …) you are likely going to have multiple accesses to the data on the same page before being done …
Post: Using Multiple Key Caches for MyISAM Scalability
November 26, 2008 By 8 Comments
…CPU cores. Happily there is solution, or at least half of it. If you have chosen a way of using Multiple… proportional to their size and load, but no more than the…I will use Percona Patches: mysql> select * from information_schema….significant. For CPU bound workload with 16 Cores Inserting data to …
Post: High Rate insertion with MySQL and Innodb
January 7, 2011 By 17 Comments
….1 in this case) With MySQL 5.1 and Innodb Plugin we could see 40%+ CPU wasted on mutex spinlocks … good suggestions on tuning MySQL 5.5 and this is what I used for start. Using multiple buffer pools with … would get much lower numbers. In fact we used load data infile which is one of the ways to get …
Post: MySQL Users Conference - Innodb
May 9, 2007 By 6 Comments
…yet know answer for – for example will LOAD DATA INFILE be optimized same way as … threads – using multiple cores becomes increasingly important as their number per CPU just keeps doubling…statement level MySQL Replication which among other requirements, needs all auto-increment values in multiple …
Post: Jeremy Cole on MySQL Replication
May 27, 2006 By 12 Comments
…sync_binlog enabled as slave could have consistent data after it catches up but master may …with MySQL 5.0 you loose group commit which can dramatically increase commit rate for multiple user load. … have only One CPU to handle replication load. Furthermore if you have multiple disks they will not …
