memory grant: two low


for query several join , sort, in last set (right before sort), sql server makes bad estimation rows sorted, should 10m, sql server estimates there 100k sorted. memory grant low cause data spill temp db. solution let sql server allocate larger memory sort?

hi daniel,

what can not possible allocate larger memory sorting. 1 thing should need check why estimating wrong number of row? (looking on number of rows 10m) can't gurantee sorted out in memory, tempdb used sorting purposes.

 

regards gursethi blog: http://ms-gursethi.blogspot.com/ ++++ please mark "propose answer" if answer helped ++++


SQL Server  >  SQL Server Database Engine



Comments

Post a Comment

Popular posts from this blog

Conditional formatting a graph vertical axis in SSRS 2012 charts

Image
hi, i have situation want color label on vertical axis of graph depending on condition. when values positive color black , when negative color red. i tried following condition but not working.   =iif(fields!myfield.value < 0 , "red", "black") i know there few threads mentioning feature not supported in ssrs 2008 wanted know if adddressed in ssrs 2012 or later? thanks , regards, oliver d'mello hi oliver, according description, want use expression specify different color axis labels based on values in chart. as tested in our environment, when apply condition in expression give dynamic color axis labels, color setting applies labels based on condition. issue happens in both sql server 2012 , 2014. please refer screenshots below: in scenario, recommend submit issue microsoft connect @ link https://connect.microsoft.com/sqlserver/feedback . connect site serve connecting point between , microsoft, , large community , microsoft intera
Read more

Register with Power BI failed

hi all, i've running local report server , want configure power bi integration. sign in azure active directory , registering power bi clientapp validated, fails following error: microsoft.reportingservices.wmiprovider.wmiproviderexception: unknown error has occurred in wmi provider. error code 80131500  ---> system.exception: exception of type 'system.exception' thrown.    --- end of inner exception stack trace ---    at microsoft.reportingservices.wmiprovider.rswmiadmin.throwonerror(managementbaseobject mo)    at microsoft.reportingservices.wmiprovider.rswmiadmin.savepowerbiinformation(string clientid, string clientsecret, string appobjectid, string tenantname, string tenantid, string resourceurl, string authurl, string tokenurl, string redirecturls)    at reportservicesconfigui.wmiprovider.rsreportserveradmin.savepowerbiinformation(powerbiappconfiguration appconfig) i tried sql server agent solution  ( https://social.msdn.microsoft.com/forums/en-us/58
Read more

SQL server replication error Cannot find the dbo or user defined function........

hi there, i ran problem while deploying sql 2008 transactional replication between 2 servers lets assume server , b. actually created  both distributor , publisher on server , after created subscriber pointed server b, launch replication monitor , found big red cross. when click on tab "distributor subscriber history" error says "cannot find either column "dbo" or user defined-function or aggregate "dbo.ufnleadingzeros", or name ambiguous". can body regarding issue. regards, ishuv hi, you need compare data , others reseved, index size, unused should not compared. differs. here server - data - 87896 kb server b - data - 78152 kb server data size includes publication tables, can't compare directly. need check article article know exact data size. SQL Server  > 
Read more