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RE: Question about DB-Analyser Messages: msg#00198

db.maxdb

Subject:	RE: Question about DB-Analyser Messages

>I´ve found two messages in my dbanalyser log which I dont´t understand:
>
>> * W2 UKT7 is running since 901 seconds, actual run queue length is 0

This is a result from a known bug:
http://www.sapdb.org/webpts?wptsdetail=yes&ErrorType=0&ErrorID=1131604

>> * W3 15 isolated index range accesses, selectivity 0.00%: 684837 rows
>> read, 2 rows qualified

poor selectivity of an SQL statement where the optimizer has choosen the
strategy "isolated index range".

Daniel Dittmar

--
Daniel Dittmar
SAP Labs Berlin
daniel.dittmar@xxxxxxx

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