Change is in this air this summer in Drizzle-land. One of our GSoC students, Vijay Samuel, has been hard at work replacing the options processing system we inherited from MySQL, my_getopt, with one based on boost::program_options. We’ve been merging his work in to trunk for a while now, and he’s made really excellent progress, so [...] [...more]
At Kscope this year, I attended a half day in-depth session entitled Data Warehousing Performance Best Practices, given by Maria Colgan of Oracle. In that session, there was a section on how to determine I/O throughput for a system, because in data warehousing I/O per second (iops) is less important than I/O throughput (how much [...] [...more]
========================================================================================================= REGRESSION REPORT ========================================================================================================= MACHINE: drizzle-build-n01.wc1.dfw1.stabletransit.com RUN ID: 324 RUN DATE: 2010-07-27T21:48:07.932094 WORKLOAD: innodb_1000K_readonly SERVER: drizzled VERSION: lp:drizzle/staging REVISION: 1669 COMMENT: 1669: Brian Aker 2010-07-27 This patch turns the table_cache into boost::unordered_multimap. ========================================================================================================= TRENDING OVER LAST 5 runs Conc TPS % Diff from Avg Diff Norm? Min Max Avg STD ========================================================================================================= 16 1993.10 +1.19% 23.37 [...] [...more]
Josh Berkus gave a great talk at linux.conf.au 2010 (the CFP for linux.conf.au 2011 is open until August 7th) entitled “How to destroy your community” (lwn coverage). It was a simple, patented, 10 step program, finely homed over time to have maximum effect. Each step is simple and we can all name a dozen companies [...] [...more]
The past two weeks have been both exciting and extremely busy, first traveling to Austin, TX for the first OpenStack Design Summit, and then back home to Portland, OR for The O’Reilly Open Source Conference (OSCON) and Community Leadership Summit. The events were great in different ways, and there was some overlap with OpenStack since [...] [...more]