Query MOM Database To Find Servers Uptime And Downtime.
Sep 5, 2007
Hi friends,
I need a query to find out the server uptime and downtime of the server from MOM database, i don't know in which tables MOM actually stores this infomation.
I need this very urgently.
Thanks in advance
You can use this code to find out the information stored in the MOM tables:-
############################################################################
create PROC [dbo].[SearchMyTables]
(
@SearchStr nvarchar(100)
)
AS
BEGIN
CREATE TABLE #Results (ColumnName nvarchar(370), ColumnValue nvarchar(3630))
SET NOCOUNT ON
DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
SET @TableName = ''
SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')
WHILE @TableName IS NOT NULL
BEGIN
SET @ColumnName = ''
SET @TableName =
(
SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME))
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'
AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
AND OBJECTPROPERTY(
OBJECT_ID(
QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
), 'IsMSShipped'
) = 0
)
WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)
BEGIN
SET @ColumnName =
(
SELECT MIN(QUOTENAME(COLUMN_NAME))
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = PARSENAME(@TableName, 2)
AND TABLE_NAME = PARSENAME(@TableName, 1)
AND DATA_TYPE IN ('char', 'varchar', 'nchar', 'nvarchar')
AND QUOTENAME(COLUMN_NAME) > @ColumnName
)
IF @ColumnName IS NOT NULL
BEGIN
INSERT INTO #Results
EXEC
(
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(' + @ColumnName + ', 3630)
FROM ' + @TableName + ' (NOLOCK) ' +
' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END
END
END
SELECT ColumnName, ColumnValue FROM #Results
END############################################################################
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Mar 29, 2007
There is a great book on database refactoring that contains a comprehensive set or recipies on how to revise databases that are supposed to be always online and may have various clients that can't be upgraded at the same time. I guess this is a typical case with large databases and I would be surpised if Amazon stops their servers just to move a column from one table to another. The book describes necessary steps for such changes. Basically it's all about creating intermediate database schemas that would be used during transition period.
For example, if we need to move a column from one table to another:
Version 1.
Table A columns: Name, Price
Table B columns: Quantity, Date
Let's say we move Price to table B:
Version 2.
Table A columns: Name
Table B columns: Quantity, Date, Price
The book suggests an intermediate version:
Version 1_2.
Table A columns: Name, Price
Table B columns: Quantity, Date, Price
Additional trigger that will synchronize "Price" columns between A and B.
Version 1_2 can be used by both clients written for version 1 and 2. Software developers don't need to rush their upgrades, transition can last months and include several changes.
This technique requires accuracy in version control management, but looks very good to implement non-interruptible database schema upgrade. I wonder if this is the only option available for data schema upgrade with no downtime. I can't think about anything else - it this how large data warehouses updata their databases?
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This is the code.
SELECT D.Line AS Line, D.ProductionLine AS ProductionLine, D.Shift AS Shift, D.DownTime, CONVERT(VARCHAR(10), D.DatePacked,101) AS DatePacked, AssignedDowntime, (D.DownTime - AssignedDowntime) AS NOASSIGNED,
R.Enviromental,R.Equipment, R.IT_Systems, R.Material_External,R.Quality,R.Material_Internal,
R.Method,R.PreProduction,R.People
FROM (
SELECT Line, Shift, DatePacked, SUM(Cast(Downtime AS INT)) AS AssignedDowntime,
[Code] ....
I'm expecting that if is more than one "Down Reason "it will include in the same line. At this moment if i have more than one reason it create a line for each one for example:
If i have a total Downtime of 50 minutes and they are assigned 10 for itequipment, 30 by testequipment and 10 assigned to quality issues i will have and output like this:
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line1 50 0 30 0 0
line1 50 10 0 0 0
line1 50 0 0 0 10
What i want is to have a output like this:
Line Total_Downttime By itequipment by_testequipment bypeopleissues byquality
line1 50 10 30 0 10
All in one line.
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To view the system uptime.
The @noprocs variable needs to be set to the number of processors the server has.
Also the convert function has to have the correct mask for the regional settings of the os.
I suggest you just run
"net statistics server" from the command prompt and see what the time format is for the server.
(103 is for British/French setting)
CREATE procedure dba_uptime as
set nocount on
create table #output(outp nvarchar(1000))
insert #output(outp)
exec master.dbo.xp_cmdshell N'net statistics server'
declare @upsince datetime, @sqlupsince datetime, @noprocs int
set @noprocs = 8
set @upsince =
(
selectconvert(datetime,replace(outp,'Statistics since ',''),103) as system_up_since
from#output
whereoutp like('Statistics since %')
)
drop table #output
set @sqlupsince =
(
selectdateadd(s,-(32.0/@noprocs)*(cast(@@idle as float)+@@cpu_busy+@@io_busy)/1000.0,getdate())
)
select@upsince as systemUpSince
,@sqlupsince as sqlServerUpSince
go
exec dba_uptime
/*
systemUpSince sqlServerUpSince
----------------------- -----------------------
2006-02-19 03:23:00.000 2006-03-29 08:35:26.803
*/
rockmoose
Edit: fixed convert to int overflow, should work for appx 68yrs uptime now.
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Code Block
Date 11/30/2007 1:01:34 AM
Log SQL Server (Archive #1 - 11/30/2007 1:01:00 AM)
Source spid4s
Message
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Code Snippet
CRM database on Server1
Table Accounts
Columns
AccountID UniqueIdentifier Primary Key
Name NvarChar(50)
Application Database on Server2
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AccountID UniqueIdentifier
Amount Money
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Code Snippet
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Server2.Application.Transaction.Amount
From Server1.CRM.Accounts INNER JOIN Server2.Application.Transaction
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