Some Musings on Device Options
In ASE 12.0 we introduced official file system device support via the device-level dsync flag. Since then, many a DBA have pondered "to dsync, or not to dsync?" This tends to be part of the larger question of file vs. raw. Like just about anything related to performance, there is not really a yes or no answer that fits all cases. In this post I'll try to further your understanding of this and other device options.
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The Real Deal with ASE and Linux Disk I/O, Part Two
In my last post I discussed some of the background on ASE and Linux asynchronous disk i/o. We are finally to the part of the story where true KAIO support in ASE comes in.
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The Real Deal with ASE and Linux Disk I/O, Part One
Okay – so perhaps you administer ASE on Linux and were lured in by the title. Maybe you are Linux curious and want to learn more. Maybe you couldn't care less about Linux but you find ASE disk I/O highly exciting. Perhaps you are really into Frisbee and found this post because it uses the work 'disk' a lot. Regardless, you've come to the right post (well, except for the Frisbee people – try again in your search engine).
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Greetings and Salutations!
Before I post my ... shall we say ... "real" blog post, I thought I'd take a few minutes (lines??) and introduce myself.
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Send, Recieve and Change
Pick up any book or article on SOA (Service Oriented Architecture) and somewhere in the text will be a statement that SOA isn't about throwing away existing systems and redeveloping them, but integrating them into new SOA processes.
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Is it Supported?
I’ve been supporting Adaptive Server Enterprise (and its predecessor product Sybase SQL Server) now for 14 years, and I’ve developed a habit of regularly doing a quick skim of all the new Tech Support cases that have been logged in the last 24 hours. Sometimes I recognize a problem I’m familiar with and can drop a quick hint; sometimes I can recognize trends in reported symptoms that point to a new common bug.
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The ASE Blogs are Here
As this is my first blog post, it's only appropriate that I tell you a little bit about who I am, what I do, and so forth. My name is David Wein and I've been with Sybase (and the Adaptive Server Enterprise product) in some technical capacity for around a decade.
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Tutorial - Mobile SOA - Using WorkSpace Mobile Development and Sybase Unwired Accelarator
Sybase is the market leader is in the field of mobility along with other areas
like Data Integration and Management. We've done some exciting things in the areas of mobile databases, security, device management and now with the acquistion of mobile 365; mobile messaging.
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