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Slow Grid; local host vs dedicated server

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    Slow Grid; local host vs dedicated server

    I have a grid that is populated by data from a query that takes and argument of Userid to filter on and has 4 left joins and two inner joins to filter projects based on user ID. The parent table in the join is a view that has two left joins as well. It takes more than a minute to load 5000 rows of data. I tried just loading 5000k of a simple Select statement with a filter based on client and it was similarly very slow. When I just load 100 rows it takes a few seconds.

    Normally no one would be loading that much data but it is a possible scenario. I was wondering if this is just because I'm testing on my personal desktop with other applications running and if it would be significantly faster in a normal production environment with a beefy server?

    Below are the queries I'm using to create the view and filter data. First is the view(part A) then the query (B) that I use in the alpha query builder. I was also wondering if there is anything I could do to improve the performance of the query/view. I'm using SQL server 2005.

    A) THE VIEW vwPortalProjects

    SET ANSI_NULLS ON
    GO

    SET QUOTED_IDENTIFIER ON
    GO

    ALTER VIEW [dbo].[vwPortalProjects]

    AS
    SELECT p.Id, p.ProjectName, p.ProjectCompany, p.ProjectStoreNumber, p.ProjectCity,
    p.ProjectState, p.EstSTADate, p.EstENDDate, p.EstIncentive,
    p.ClientId, p.SubClientId, p.RebatorId, p.Division, p.Geography, p.Initiative, p.EquipmentTypeId,
    s.Description as Status, m.Description as MileStone, p.ProjectAddr1, p.ProjectZipCode, p.APPDate,


    'EstimatedIncentive' =

    CASE
    WHEN m.Code = 'FCI' THEN NULL
    WHEN s.Code = 'TERM' THEN 0
    ELSE p.EstIncentive
    END,

    'ActualIncentive' =

    CASE
    WHEN m.Code != 'FCI' THEN NULL
    ELSE p.Incentive
    END

    FROM (Projects p
    LEFT OUTER JOIN Statuses as s
    ON p.StatusId = s.Id
    LEFT OUTER JOIN Milestones as m
    on p.MileStoneId = m.Id
    )

    GO

    B) The query

    SELECT p.Id, p.ProjectName AS 'ProjectName', p.ProjectCompany AS 'Company', p.ProjectStoreNumber AS 'SiteId', p.ProjectCity AS 'City',
    p.ProjectState AS 'State', p.EstSTADate AS 'StartDate', p.EstENDDate AS 'EndDate', p.EstIncentive,
    p.Division AS 'DivisionId', d.Description AS 'Division', p.Geography AS 'GeographyId',
    g.Description AS 'Geography', p.SubClientId, sc.SubClientName AS 'SubClient', p.Initiative AS 'InitiativeId',
    i.Description AS 'Initiative', p.Status, p.MileStone, r.Name AS 'RebateProgram',
    p.ProjectAddr1 AS 'StreetAddress', p.ProjectZipCode AS 'Zip', p.APPDate AS 'ApprovalDate', p.EquipmentTypeId,
    e.Description AS 'EquipmentType', p.EstimatedIncentive, p.ActualIncentive

    FROM (vwPortalProjects as p
    LEFT JOIN SubClients as sc
    ON p.SubClientId = sc.Id
    LEFT JOIN Initiatives as i
    ON p.Initiative = i.Id
    --LEFT JOIN Statuses as s
    -- ON p.StatusId = s.Id
    --LEFT JOIN Milestones as m
    -- on p.MileStoneId = m.Id
    LEFT JOIN Divisions as d
    on p.Division = d.Id
    LEFT JOIN Geographies as g
    on p.Geography = g.Id
    LEFT JOIN Rebators as r
    on p.RebatorId = r.Id
    LEFT JOIN EquipmentTypes as e
    on p.EquipmentTypeId = e.Id
    INNER JOIN WebUserPermissions as up

    ON p.ClientId = up.ClientId AND
    (p.SubClientId = up.SubClientId OR up.SubClientId IS NULL) AND
    (p.Initiative = up.InitiativeId OR up.InitiativeId IS NULL) AND
    (p.Division = up.DivisionId OR up.DivisionId IS NULL) AND
    (p.Geography = up.GeographyId OR up.GeographyId IS NULL) AND
    (p.RebatorId = up.RebatorId OR up.RebatorId IS NULL) AND
    (p.EquipmentTypeId = up.EquipmentTypeId OR up.EquipmentTypeId IS NULL)

    INNER JOIN WebSecurityUsers as u
    ON up.WSU_Userid = u.Userid)
    WHERE u.Userid = :userid
    ORDER BY p.Id
    Last edited by jwilliamson; 08-24-2015, 03:10 PM.

    #2
    Re: Slow Grid; local host vs dedicated server

    I am a fan of grids too, but I'd be reluctant to try to load more than 1 or 2 screen's worth of data when the grid initially loads. It's not like they can instantly see all of the rows anyway, right?

    So, to speed up your grid, show less rows and FETCH when needed IF/WHEN they page down.

    Don't forget you can filter your grid so you show only what they might want to see too.

    Comment


      #3
      Re: Slow Grid; local host vs dedicated server

      Thanks Clint, I just wanted to make sure it wasn't something setup incorrectly but it seems like you've experienced slowness when dealing with 1 or 2 screens of data. I recently had to make some changes to the UI and this will encourage filtering from the beginning. You're right, no one is going to want to see thousands of rows of data without having some criteria to narrow it down first. Thank you!

      Comment

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