Re: Optimiser difference : a max() sometimes doing a backward scan and...
Again - without any diagnostics, it is hard to say.... Run both the min() and non-min query (you might also want to include the select/into variant) with: set statement_cache offset showplan onset...
View ArticleRe: Memory for aggregate
Hi Artem, It depends on the type of join that is used. Basically, the data can be sorted using a temp table (in tempdb database) or in memory (procedure cache). The data cache is not used for that...
View ArticleRe: Memory for aggregate
HiIn my case there is a problem with default a cache. (high spinlok contention& hogh ytilization cpu)I thought that, as for example MSSQL, memory for a cache and for aggregate requests jointly and...
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Re: Suppress Sybperf Messages
Hello Splinter, If you wish not to display this warning just run the command from isql: > sp_configure "SQL Perfmon Integration",0>go PS: This commands needs a System Recycle to take this into...
View ArticleRe: understanding transaction log..
Kedar, Your question is not clear can you elaborate? RegardsKiran K Adharapuram
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Mike, May be you can try the below dbcc command: dbcc checkdb:If this command is issued internally it checks tableIt checks all tables in a given databaseIf no database is specified the check is...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
We've checked the db and no issues. The problem occurs when updating statistics like the one reported here https://scn.sap.com/thread/3658331 Is this a known bug in 15.7 ?Is there an outstanding CR ?
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Mike, To confirm me give me the error-log file when this issue got occurred, I am sure there will be "Stack Trace"occurrence in the machine, I can verify your stack trace with any CR and...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Here's the full stack trace for the one that occurs during the update statistics.However we've also found that we get then during other operations as well. I'd really like to know when this issue...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Mike, With regard to the stack, it contains a function "cm_grabmem_lru". The problem normally occurs when ASE grabs a dirty buffer for a new pss. Error 837 followed with stacktrace(cm_grabmem_lru):...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Can you clarify this ? I presume you mean you want to decrease the setting "total logical memory" ? How much should we decrease it ?We obviously don't want to decrease the amount of memory in the...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
Mike, This is the Case 10892212 - Server Stack traced with Error: 837 while running update statisticsClosing Summary: -Reduce 'total memory' from 8GB to 3.75GB resolved the issue I dont know if you...
View ArticleRe: What causes "Attempted to grab wash header." error and stack trace ?
We have "total logical memory" of 134Gband have 3.2Gb of memory not allocated (in case we need to increase any settings). The server won't be very usable if we reduce the memory to these levels.
View ArticleInstalling Sybase ASE16
Dear Experts, I was trying to install ASE 16 on RHEL 6.5 using VMware 11 interface on a windows 8.1 platform (Laptop)Software downloaded from SAP service market place--Received following errors Product...
View ArticleRe: ASE 16.0 installation on Linux(REDHAT 6.5)
Hi Chris, Getting below error while installing Glibc checking installed Linux kernel header file.. too old! kiran
View Article"Error: 622, Severity: 20, State: 1" causing 15.7 server to hang
We downgraded from ASE 15.7 SP122 to SP100 to get away from the 815 Errors which required a server reboot. We're now getting 622 Errors followed by a stack trace.00:0022:00000:01548:2015/04/24...
View ArticleRe: Installing Sybase ASE16
isql is run to finish the configuration. It is a 32-bit application. You need to install the 32-bit glibc and compat-glibc packages, as well as the 64-bit. Also, to run some of the utilities (e.g....
View ArticleRe: ASE 16.0 installation on Linux(REDHAT 6.5)
Make sure all required dependencies are up-to-date. Although the headers are not required for ASE utilities to run, the gcc will require them for any other compilation to work. Chris
View ArticleRe: Installing Sybase ASE16
Hi Rajesh, What looks strange here is that the server has a path of:/opt/sybase/ASE-15_0/bin/dataserver -sT10 -d/opt/sybase/data/master.dat -e/opt/sybase/ASE-15_0/install/T10.log...
View ArticleRe: Why is exception not thrown in AseCommand when "Truncation error occurred"?
Hey Mike, Did you ever start a new thread? I am here to also vote that "Anything that causes a 'Command has been aborted' results should be a severity > 10." I found this thread while investigating...
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