… trashing issues with count of theads 100+. In this case performance of InnoDB degraded dramatically. The problem was in the mutex… for comparison of overall performance All releases were compiled from sources with options: ./configure –prefix=/usr/local/mysqltest/mysql- –with-innodb and… release 4.4 (Final) 2 Ñ… Dual Core Intel XEON 5130 model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz stepping : 6 cpu…
Post: Intel SSD 910 in tpcc-mysql benchmark
… is suitable to use with MySQL. Benchmark date: Sep-2012 Benchmark goal: Test Intel SSD 910 under tpcc-mysql workload and compare with baseline Fusion-io ioDrive card Hardware specification Server: Dell PowerEdge R710 CPU: 2x Intel(R) Xeon(R…. The performance of Intel SSD 910 is about ~30% worse, but it is expected for this price level. I think Intel SSD 910…
Post: Benchmarks of Intel 320 SSD 600GB
… the server), and compare performance with SAS hard drives. System specification Dell PowerEdge R610 Memory: 48GB CPU: Intel(R) Xeon(R) CPU X5650… mention that on these datasizes, sysbench workload is pretty nasty, MySQL will mostly reads and writes pages from buffer pool (replacing…
Post: Impact of logging on MySQL’s performance
…question arises how much logging impacts on performance. When we do performance audit often we log every …release 4.7 (Final) There are four CPUs Intel(R) Xeon(R) CPU 5150 @ 2.66GHz, 32GB RAM….than a second to execute; logging every query; MySQL was run with default settings except following: [mysqld…
Post: MySQL 5.6.7-RC in tpcc-mysql benchmark
MySQL 5.6.7 RC is there, so I decided to test how it performs in tpcc-mysql workload from both performance and stability standpoints. I can’t say that my experience was totally flawless, I bumped into two bugs: MySQL 5… Benchmark goal: Test how MySQL 5.6.7 performs Hardware specification Server: Dell PowerEdge R710 CPU: 2x Intel(R) Xeon(R) CPU E5-2660…
Post: Analyzing air traffic performance with InfoBright and MonetDB
… environment: server Dell SC1425, with 4GB of RAM and Dual Intel(R) Xeon(TM) CPU 3.40GHz. InfoBright (ICE) version: 5.1… to quote each field. After that load statement is: mysql -S /tmp/mysql-ib.sock -e “LOAD DATA INFILE ‘/data/d1/AirData… if you want to compare or get info about air performance.
Post: How fast can MySQL Process Data
… peak filtering speed of about 7M rows/sec on this Intel(R) Xeon(R) CPU 5130 @ 2.00GHz CPU. This number is… rows and wrote little stored procedure to make timing easier: mysql> DELIMITER // mysql> CREATE PROCEDURE test_read(pl INT) -> BEGIN -> DECLARE t… affect performance and created the following table: CREATE TABLE `m4` ( `c` char(128) NOT NULL ) ENGINE=MEMORY DEFAULT CHARSET=latin1 mysql> show…
Post: How number of columns affects performance ?
…. I added one to t99v1 table and repeated the query: mysql [localhost] {msandbox} (test) > select max(t1+0) from t99v1; +———–+ | max(t1+0) | +———–+ | 0 | +———–+ 1 row in set (3.26 sec) mysql [localhost] {msandbox} (test) > explain select max(t1+0) from t99v1… full table scan. P.S Tests were done on MySQL 5.4.2 on Intel(R) Xeon(R) CPU E5405 @ 2.00GHz CPU.
Post: XtraDB/InnoDB CPU bound benchmarks on 24cores server
…GenuineIntel cpu family : 6 model : 29 model name : Intel(R) Xeon(R) CPU E7450 @ 2.40GHz stepping : 1 cpu …bits physical, 48 bits virtual power management: I tested MySQL-5.1.30 with InnoDB plugin, Xtradb-… read detailed investigation what is the reason of performance drop in next post. And last one …

