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martin kersten
@martinkersten
Lifetime R&D in database technology in open-source product space
Netherlands
Joined April 2009
26
Following
264
Followers
22
Posts
martin kersten
@martinkersten
about 13 years ago
@CurtMonash
How about http://t.co/HtwPVOL2iy
martin kersten
@martinkersten
over 13 years ago
Postgresql 9.3 claims 350K read transactions without a trace on what/how it was measured.
martin kersten
@martinkersten
over 15 years ago
Cross matching simulation results against a reference (observation) database brings in a new challenge for metrics.
martin kersten
@martinkersten
over 15 years ago
Data Intensive Research workshop at Edinburgh focusing on database requirements for bio-* systems
Who to follow
Ippokratis Pandis
@Hippotas
Distinguished Engineer at Databricks. Mostly focused on large scale analytics and transaction processing. Tweets are personal opinions.
ACM SIGMOD
@sigmod
ACM Special Interest Group on Management of Data
Wisconsin DB Group (@wiscdb.bsky.social)
@wiscdb
One of the finest database groups in the country. We work on building next generation database systems, data integration, data science, and database theory.
martin kersten
@martinkersten
about 16 years ago
@LambdaCubeRSS
please errors report in English on MonetDB lists. Don't forget to use a 64bit platform for your large databases ;)
martin kersten
@martinkersten
about 16 years ago
@eyebuy4iphone MonetDB connections is currently set to 64, you need to recompile for more.
martin kersten
@martinkersten
over 16 years ago
@RubyReflector
Ruby-MonetDB is a young couple, so we are definitely interesting in how it goes. Don't hesitate to call upon us for help
martin kersten
@martinkersten
over 16 years ago
Coverity complaints down from 1687 -> 1141, lots of easy ones in clear view to remove. They are not system threatening.
martin kersten
@martinkersten
over 16 years ago
1.8M loc and 1600 warnings to look into. Luckely, many are related to macro expansions. Killl one and you kill a lot
martin kersten
@martinkersten
over 16 years ago
Dealing with Coverity report. With 1.M loc on the table we are pretty large.
martin kersten
@martinkersten
over 16 years ago
finished redoing the Air-Traffic benchmark. results in http://www.cwi.nl/~mk/ontimeReport
martin kersten
@martinkersten
over 16 years ago
redoing http://bit.ly/2IbGhI
martin kersten
@martinkersten
over 16 years ago
Time to re-activate the accumulator optimizer in MonetDB to safe 10% on TPCH Q1
martin kersten
@martinkersten
over 16 years ago
Students reported MonetDB and HadoopDB were easy to configure
martin kersten
@martinkersten
almost 17 years ago
@cpamiller
could you share your experience with MonetDB on its user list.
martin kersten
@martinkersten
almost 17 years ago
@matburt
it sounds like a Python SQL protocol issue. What version were you using?
martin kersten
@martinkersten
almost 17 years ago
@matburst oops, your Python SQL ;) Which by the way is undergoing a major renovation cycle.
martin kersten
@martinkersten
almost 17 years ago
@Curtmonash
twittering is a new concept...haha
martin kersten
@martinkersten
almost 17 years ago
@matburt
Then the cause is hard to find. It may be a problem in either your JDBC (ODBC) application. We have seen that before with others
martin kersten
@martinkersten
almost 17 years ago
@matburt
was not able to quickly localise your bug report, but will check the group tomorrow
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