Re: LIKE bug in ASE 15.0.3?
Mark, > Your sp_helpsort output would seem to indicate that you're using case sensitive sort orders in all servers. Hmm. When I do a SELECT of names from a table and tell it to ORDER BY name, I get...
View ArticleRe: LIKE bug in ASE 15.0.3?
Depends on the actual sort order (there are something like a dozen different sort orders; see the Config manual, section 'Sort Orders') and associated case sensitivity (hint: sorting and matching are 2...
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Re: LIKE bug in ASE 15.0.3?
The root of the behavior lies in the sort order. I've installed a new 1503 ASE with cp850 and a dictionary sort order and see the reported behavior. Adaptive Server Enterprise/15.0.3/EBF...
View ArticleRe: LIKE bug in ASE 15.0.3?
Bret and Mark, Thanks so much for the insights. At least now I can predict what my results will be, now that I know that in my environment [Q-S] means [QqRrS]. And I'm guessing that this isn't just a...
View ArticleCan somebody throw some light on TraceFlag 753
We have had high CPU utilization on 15.7 SP50 ASE and support have recommended switching on TF 753.This is an undocumented trace flag, any chance somebody can explain how the server behaves with and...
View ArticleRe: Can somebody throw some light on TraceFlag 753
Hello Sumit, By default, ASE uses a method to increase the number of pages acquired from the procedure cache pool if they are repeatedly requested by the same spid. The idea is to reduce the number of...
View ArticleRe: Can somebody throw some light on TraceFlag 753
Mark, Thanks a lot for the explanation this is much clearer now.We are seeing some very high numbers for the rproccache_spin spinlock. We will try this traceflag soon. Regards,Sumit
View ArticleRe: Sybase download
You can download the free ASE Developer Edition from the SCN Developer Center for ASE (http://scn.sap.com/community/developer-center/oltp-db).Note that there's also a free ASE Express Edition, but this...
View Articlereorg and parallelism
hello, we have an issue at work. we kick off reorg on multiple objects in a script. each object is reorged in a loop. worker processes and max parallel degree are both set to 20 dynamically at the...
View Articledbcc and large io buffers
can 'number of large io buffers' be used to increase dbcc performance? any insights?
View ArticleRe: LIKE bug in ASE 15.0.3?
I get that. It's predictable and explainable. Perhaps even logical, though I think that could be debated. And thanks to everyone here I will be able to deal with it in the future. But at the very least...
View ArticleMDA Tables: RepAgent related counters not populated with real data
Hi All, I've noticed the various RepAgent mda tables are only partially populated with real data. One such entity is monRepScannersTotalTime Other than DBID/SPID/InstanceID/LogRecordsProcessed, none...
View ArticleRe: reorg and parallelism
1. like the consumers option with create index or update stats, is there a similar option for reorg? No. That being said, You could get a level of parallelism if you used semantic partitioning where...
View ArticleRe: reorg and parallelism
re: #3 - limiting what processes can utilize parallel worker threads ... Some background: 1 - there are a few optimizer options (eg, parallel_query, parallel_degree, scan_parallel_degree) that can be...
View ArticleRe: reorg and parallelism
Alternatively, you might configure for a fair number more than just 20 worker processes, and possibly for a lower "max parallel degree" than 20, to ensure that enough workers are available for all...
View ArticleRe: reorg and parallelism
regarding Jason's suggestion about assigning the user to a higher priority group or using login triggers, ours is a highly secure environment where such things cannot be easily done. but will look into...
View ArticleRe: reorg and parallelism
>there are a few optimizer options (eg, parallel_query, parallel_degree, scan_parallel_degree) that >can be set at the session, procedure and/or query level to enable/disable the ability to use...
View ArticleLIST aggregate function
Hello, In SAP Sybase SQL Anywhere have aggregate function List()This function is very useful!Prompt, this function is planned in ASE?
View ArticlePubs3 / Pubs2 Test
Hi all, I´m making some demos for my own with ASE/RepServer and I wonder if anyone has a script with mixed or oltp test for pubs2 or pubs3 databases in order to simulate some kind of workload. I have...
View ArticleRe: MDA Tables: RepAgent related counters not populated with real data
I've opened a case with Sybase.. hopefully we'll have an answer other than "that's not implemented yet"
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