Posts Categorized: Oracle
Welcome to Log Buffer, the weekly news blog about blogs in the datasphere.
I was searching oracle.com for some Exadata-related wait events, and noticed some hits popping up from formerly closely-held Exadata documentation. Upon closer look, I found the full Exadata V1 user’s guide. I hope the V2 documentation will be posted soon.
For those of you who weren’t able to attend my webinar last week “Implementing Exadata: the results are in, recordings are now available here online.
One of the key features of Exadata V2 is the flash cache. Although commonly thought of as an OLTP-specific feature, it has also been marketed as a data warehouse accelerator. According to this frequently-used presentation slide, a full Exadata rack provides 21 GB/sec of disk throughput and 50GB/sec of flash throughput. was testing throughput using a simple query, making use of both smart scans and parallel execution. Here’s what the objects look like. They’re running on a quarter rack system with a stated capacity of 4.5GB/sec disk and 11GB/sec flash.
Welcome to Log Buffer, the weekly roundup of happenings in the database world. Lots to cover this week, so let’s get on with Log Buffer #204. Enjoy!
Following up on my earlier webinar Implementing Oracle Exadata – Strategies for Success, I’ll be giving another webinar to present the results of the Exadata implementation at LinKShare. I’ll be talking about actual performance results, our zero-downtime go-live, compression experiences, and performance tuning in an Exadata environment.
Just recently I came across another unclear error message while troubleshooting an Oracle Instance registration with SCAN Listener. This post is one of the posts which may save quite a bit of time for people who will hit the same issue.
I’m happy to announce the winners of this year’s t-shirt and creative blogger’s contest at the Oracle OpenWorld 2010 Annual Bloggers Meetup. Asif Momen, of the Momen Blog was the big winner of the HP X310 DataVault. Although there wasn’t as much participation as I had hoped for the creative blog post contest we have not one, but two AppleTV winners to announce; Sunil S. Ranka for his post: Mapping the Maze, Online Bloggers to Real World Faces: Pythian Blogger Meetup at OOW10 and Mr. Chet Justice, Oraclenerd for his entertaining, 5 part series from the meetup. Definitely an “A” for effort – could you tell he really wanted the AppleTV?
If you ever had tried to switch Oracle net trace than you know that it is quite straight forward to switch it on. You would say that I need to set the following parameters in the sqlnet.ora file…
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