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Tuning postgresql.conf when benchmark

Description: We build a new database server Enterprisedb v9.3 (PostgreSQL commercial), so we use JMX to benchmark it with 1000 users. Here our detailed information: Operating System: Centos 6 x64 ...
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Are there any known benchmarks/statistics on UnQLite?

I came across UnQLite the other day in Stack Overflow and it has me intrigued for some software I'm working on. However, very few tests have been published on how well it performs. There are plenty of ...
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Slow query speed using workstation processed joins with 100 Mbps connection speed?

In a department where they were complaining that a report was being run slowly, I jumped on one of the empty machines there and tried it out. It took a good 6 and 15 seconds to run. Run from a ...
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TPC-DS data generation

Is there a way to generate TPC-DS/TPC-H data using Normal Distribution, i.e., is there a way to specify the distribution type while generating TPC-DS/TPC-H? EDIT : I believe there is an option for ...
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Sysbench insert data between a given range

I was trying to insert 1000000 records of data into 1000 tables in sysbench. But after installing about 278, sybench just crashed with the following error: FATAL: failed to execute function `prepare':...
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Inserting data from external PC faster than from localhost

I've been benchmarking the performance of a new virtual server in order to find out the best engine and database structure for my setup. Currently I am using python with mysql-connector both on the ...
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891 views

Benchmarking MyISAM vs InnoDB using Sysbench on MariaDB-10.0.14

I performed a "read" benchmark on MariaDB-10.0.14 db server using sysbench to compare performance between InnoDB and MyISAM on a single. Below are the sysbench commands i used: Create test table in ...
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Which benchmark assess string pattern matching in a database?

I have a postgresql DB in which I do a lot of string matching ala : UPDATE table1 SET colum1 = TRUE WHERE colum2 LIKE '%teststring%'; colum2 is a whole html file As I said I do A LOT of this and I'...
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How to generate TPC_DS queries for Oracle?

I have downloaded the DSGEN tool from the TPC-DS web site and already generated the tables and loaded the data into Oracle XE. I am using the following command to generate the SQL statements: ...