Storing Millions Of Tiles

Jul 27, 2007

Hi everyone,

I have been trying to store millions of files (layer tiles) in NTFS now for a while with little success as the read/write speed drops off the chart or NTFS itself gets corrupted. My questions are:

1) Is there any way to store millions of files successfully in NTFS?
2) What does VE use to store its tiles (I am guessing SQL Server)?
3) If VE does not use SQL Server to store tile images, has anyone tried it and what are the pros/cons?

Any help would be greatly appreciated...

Thanks in advance,

Matt

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Hi

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Please find the details ..

SERVER CONFIGURATION:

Intel pentium (R) 4 CPU
2.88 GHZ,
2.79 GHZ ,2 GB RAM

Operating System: WINDOWS 2003 R2 STANDARD SERVICE PACK 2



Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86)

Oct 14 2005 00:33:37

Copyright (c) 1988-2005 Microsoft Corporation

Standard Edition on Windows NT 5.2 (Build 3790: Service Pack 2)





DAtABASE DETAILS:


MDF and LDF located on C: Drive

Available Space on C: DRIVE 2.94 GB




TABLES DETAILS

CREATE TABLE [dbo].[TIX_PAYMENT_SCHEDULE](

[PaymentScheduleId] [bigint] IDENTITY(1,1) NOT NULL,

[OwedAmountId] [int] NULL, --NonClusteredIndex

[ProposalId] [int] NOT NULL, --NonClusteredIndex

[BrandId] [int] NULL, -- NonClusteredIndex

[DueDate] [datetime] NULL, --NonClusteredIndex

[OverdueDate] [datetime] NULL,--NonClusteredIndex

[ExpectedAmount] [decimal](18, 2) NULL,

[TransactionStatusId] [tinyint] NULL,--NonClusteredIndex

[IsLate] [char](1) NULL,

[IsPaymentReceived] [char](1) NULL,

[ScheduleBatchJournalId] [bigint] NULL,--NonClusteredIndex

[IsValidSchedule] [char](1) NULL,

[RuleId] [int] NULL,

[ActionId] [int] NOT NULL,

[ReasonId] [tinyint] NULL,

[Comments] [nvarchar](2000) NULL,

[NoofDays] [int] NULL,

[ActualAmountReceived] [decimal](18, 2) NULL,

[CreatedBy] [uniqueidentifier] NULL,

[CreatedDateTime] [datetime] NOT NULL,

[LastUpdatedBy] [uniqueidentifier] NULL,

[LastUpdatedDateTime] [datetime] NOT NULL,

[CaseScheduleId] [bigint] NULL,--NonClusteredIndex

[ActionDate] [datetime] NULL,

[HasExactMatch] [char](1) NULL,

[IsCatchupBalanced] [char](1) NULL,

[HasModified] [char](1) NULL,--NonClusteredIndex

[PendDate] [datetime] NULL,

[IsAutoAccept] [char](1) NULL,

[CatchupBalanceIdentifier] [uniqueidentifier] NULL,--NonClusteredIndex

CONSTRAINT [PK_TIX_PAYMENT_SCHEDULE] PRIMARY KEY CLUSTERED

(

[PaymentScheduleId] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]

) ON [PRIMARY]



TABLE 2



CREATE TABLE [dbo].[TIX_PAYMENT_CASE_SCHEDULE](

[CaseScheduleId] [bigint] IDENTITY(1,1) NOT NULL,

[ProposalId] [int] NOT NULL,--NonClusteredIndex

[DueDate] [datetime] NOT NULL,

[OverDueDate] [datetime] NOT NULL,

[TotalExpectedAmount] [decimal](18, 2) NOT NULL,

[TotalActualPaymentReceived] [decimal](18, 2) NOT NULL,

[TransactionStatusId] [int] NOT NULL,--NonClusteredIndex

[ActionId] [int] NULL,

[CreatedBy] [uniqueidentifier] NULL,

[CreatedDateTime] [datetime] NULL,

[LastUpdatedBy] [uniqueidentifier] NULL,

[LastUpdatedDateTime] [datetime] NULL,

[IsValidSchedule] [char](1) NULL,

[ScheduleBatchJournalId] [bigint] NULL,

[IsCatchupBalanced] [char](1) NULL,

[HasModified] [char](1) NULL,--NonClusteredIndex

[CatchupBalanceIdentifier] [uniqueidentifier] NULL,

CONSTRAINT [PK_TIX_PAYMENT_CASE_SCHEDULE] PRIMARY KEY CLUSTERED

(

[CaseScheduleId] ASC

)WITH (PAD_INDEX = ON, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]

) ON [PRIMARY]

GO



STORED PROCEDURE:





CREATE PROC [dbo].[TIX_PRC_GENERATE_PAYMENTSCHEDULE_DATA]
(
@XMLParams XML,
@ToDate datetime,
@HasModified char(1)

)
AS
BEGIN
SET NOCOUNT ON
--Exception Handling Variable Declaration
DECLARE @ErrorMessage NVARCHAR(200),
@ErrorNumber INT,
@ErrorSeverity INT,
@ErrorState INT,
@ErrorProcedure NVARCHAR(50),
@ErrorLine INT,
@ErrorDesc NVARCHAR(100)

DECLARE @XMLPayment INT
BEGIN TRY
IF @XMLParams IS NOT NULL
BEGIN --BEGIN IF


SET @ErrorDesc='Error Occured While Inserting into TIX_PAYMENT_SCHEDULE FROM XML'

INSERT INTO TIX_PAYMENT_SCHEDULE
(
OwedAmountId,
ProposalId,
BrandId,
DueDate,
OverdueDate ,
CreatedDateTime,
LastUpdatedDateTime,
ExpectedAmount,
ActualAmountReceived,
ScheduleBatchJournalId,
RuleId,
TransactionStatusId,
ActionId,
IsLate,
IsPaymentReceived ,
IsValidSchedule,
--Added by DC : 119
IsCatchupBalanced,
CatchupBalanceIdentifier,
HasModified
---------------------------------------------------
)
SELECT
Main.ELEMENT.value('(OwedAmountId)[1]','int') AS OwedAmountId,
Main.ELEMENT.value('(ProposalId)[1]','int') AS ProposalId,
Main.ELEMENT.value('(BrandId)[1]','int') AS BrandId,
convert(datetime,Main.ELEMENT.value('(DueDate)[1]','varchar(100)')) AS DueDate,
convert(datetime,Main.ELEMENT.value('(OverdueDate)[1]','varchar(100)')) AS OverdueDate,
@ToDate AS CreatedDateTime,
@ToDate AS LastUpdatedDateTime,
convert(decimal(18,2),Main.ELEMENT.value('(ExpectedAmount)[1]','varchar(100)')) AS ExpectedAmount,
convert(decimal(18,2),Main.ELEMENT.value('(ActualAmountReceived)[1]','varchar(100)')) AS ActualAmountReceived,
Main.ELEMENT.value('(ScheduleBatchJournalId)[1]','bigint') AS ScheduleBatchJournalId,
Main.ELEMENT.value('(RuleId)[1]','int') AS RuleId,
Main.ELEMENT.value('(TransactionStatusId)[1]','int') AS TransactionStatusId,
Main.ELEMENT.value('(ActionId)[1]','int') AS ActionId,
Main.ELEMENT.value('(IsLate)[1]','char(1)') AS IsLate,
Main.ELEMENT.value('(IsPaymentReceived)[1]','char(1)') AS IsPaymentReceived,
Main.ELEMENT.value('(IsValidSchedule)[1]','char(1)') AS IsValidSchedule

--Added by DC for 119

,Main.ELEMENT.value('(IsCatchupBalanced)[1]','char(1)') AS IsCatchupBalanced
,Main.ELEMENT.value('(CatchupBalanceIdentifier)[1]','nvarchar(1000)') AS CatchupBalanceIdentifier
,@HasModified
---------------------------------------------------------------------

FROM @XMLParams.nodes ('(/ROOT/DATA)') AS Main(ELEMENT)

END--END IF


END TRY--Main END TRY
BEGIN CATCH --Main BEGIN CATCH



SELECT @ErrorMessage = @ErrorDesc+Char(13)+Error_Message(),
@ErrorSeverity = Error_Severity(),
@ErrorState = Error_State(),
@ErrorNumber = Error_Number(),
@ErrorProcedure = Error_Procedure(),
@ErrorLine = Error_Line()
RAISERROR(
@ErrorMessage,
@ErrorSeverity,
@ErrorState,
@ErrorNumber,
@ErrorProcedure,
@ErrorLine
)
END CATCH --Main END CATCH
END --Main END





STOREDPROCEDURE 2



CREATE PROCEDURE [dbo].[TIX_PRC_GET_PAYMENTSCHEDULE_SCHEDULE_FOR_DATE_RANGE]
(

@ToDate datetime,
@IsValidSchedule char(1)

)
AS
BEGIN
SET NOCOUNT ON

--Execption Handling Variable Declaration
DECLARE @ErrorMessage NVARCHAR(200),
@ErrorNumber INT,
@ErrorSeverity INT,
@ErrorState INT,
@ErrorProcedure NVARCHAR(50),
@ErrorLine INT,
@ErrorDesc NVARCHAR(100)


BEGIN TRY --Exception Handling
SET @ErrorDesc='Error Occured while fetching records from TIX_PAYMENT_SCHEDULE'


SELECT
PaymentScheduleId,
OwedAmountId,
ProposalId,
DueDate,
OverdueDate,
ExpectedAmount,
TransactionStatusId,
IsPaymentReceived,
IsLate,
ActionId,
ActualAmountReceived,
IsValidSchedule,
BrandId,
CaseScheduleId,
ReasonId,
Comments,
NoOfDays,
ActionDate,
IsCatchupBalanced,
CatchupBalanceIdentifier,
HasModified
from TIX_PAYMENT_SCHEDULE with (nolock)
WHERE DUEDATE <=@ToDate AND IsValidSchedule=@IsValidSchedule


SELECT DISTINCT OwedAmountId,proposalId,brandId from TIX_PAYMENT_SCHEDULE with (nolock) WHERE DUEDATE <=@ToDate AND IsValidSchedule=@IsValidSchedule Order By OwedAmountId,ProposalId,BrandId asc
SELECT DISTINCT ProposalId from TIX_PAYMENT_SCHEDULE with (nolock) WHERE DUEDATE <=@ToDate AND IsValidSchedule=@IsValidSchedule Order By ProposalId asc


END TRY
BEGIN CATCH
SELECT @ErrorMessage=@ErrorDesc+CHAR(13)+ Error_Message(),
@ErrorNumber=Error_Number(),
@ErrorState=Error_State(),
@ErrorProcedure=Error_Procedure(),
@ErrorLine=Error_Line(),
@ErrorSeverity=Error_Severity()

RAISERROR(
@ErrorMessage,
@ErrorSeverity,
@ErrorState,
@ErrorNumber,
@ErrorProcedure,
@ErrorLine
)

END CATCH

END





Thanks & Regards

Rajesh Varma

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Hi Teachies,


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Sample Table

USE [Testing]
GO
/****** Object: Table [dbo].[Testing] Script Date: 4/25/2014 11:08:18 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON

[Code] ....

It seems to work fine with one million records.

Each primary key is unique, but the begindate is non-unique, and i guess even if i use datetime2 and add nanoseconds, from what i have read, there is a chance that i could have a duplicate datetime since the date is imported via XML from multiple sources.

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SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
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BEGIN
SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
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I'd be grateful for any help with this.


Rich

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Hi all! I am back with a new problem.
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 Regards,
Taimoor

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