Replication Planning

Feb 8, 2001

Hi every body,

my company wants implements transactional replication. We have three servers one in chicago(production)
second server in chicago, third server in kansas city.Can give me plan for implementing the replication.

Thanks

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Planning A Replication

Aug 5, 2006

hallo
we have a sql2000 in the headquarter, and 3 new remote branches opening in few weeks with no sql servers installed yet.
We plan to setup a merge replica. The headquarter will have the highest activity on the replicated tables.
Shall we use all SQL2000 in the remote branches? Or could we use SQL2005, using a 2005 as a publisher and distributor?
TIA

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Mar 8, 2007

I was told that my company is thinking about inplementing a "backup" server for out content loading server (aka load server)... this server loads files from several companies and then replicates the data out to our production environment to be seen. This server has serveral DTS/IS packages that do all this data movement and manipulation... I am not too up to date on technology for what they are asking so I thought I would ask here for some recommendations to head in the right direction...

I am not sure if clustering will work or maybe mirroring the database...

The server now is a publisher so the backup server would have to pick up if the #1 failed and then give command back to #1 once it is good... this is the part I have no idea about...

The #2 server would not have to really do anything but keep its data up to date unless #1 fails so you could say it would be fine to be a passive server...

Any ideas on what direction I should look into???

Thanks ahead of time.

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Jan 8, 2001

Hi All

I am planning to install SP3, anyone have suggestion before installation what are the precaution I need to take. please post your comments. Thanks in advance.

Thanks

Regards
Leong

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Nov 4, 2000

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thanks

Ahmed

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Dec 11, 2000

What si capacity planning?
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May 26, 2004

Hi Guys,

We are planning for a new SQLSERVER for one of our application. The database will receive around 58 million events/year is roughly 160,000 messages/day

Making the assumption that an average message size is 2K. The messages comes to database through edi processes.

Any suggestion about database server configuration, and any other steps that need to be take care of before even thinking about creating a database??

help is greatly appericated..

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May 28, 2001

Hi Everybody,

Can anybody explain me, what is Capacity Planning and what is Load Balancing?

tks in advance
sri

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Aug 7, 2007

Hi all,

I'm very new to SQL and am learning via books and whilst on the job. I'm putting together my logical design at the moment and was wondering if anyone could suggest any websites that might give me an insight into the best way to go about this in an effective manner.

TIA,

SamuelT

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Feb 13, 2007

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Jun 13, 2007

I've read a few posts on the stored procedure vs dynamic sql debate. I ran a few performance test for myself and it appears to be a wash.



Given that, I'm leaning toward dynamic sql mostly because it would mean one fewer place to have things.



But, before we go that route we wanted to ask the question:



Is there any compelling reason why we shouldn't abandon all of our stored procs and just write the SQL inside inside our functions in our business layer (essentially our data access layer)?



Or, is it just preference these days?



I was leaning toward procs, but I have to admit it would be nice not to have to keep up with all of them per all of our functions that call them.



Thanks,
Ron

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Jan 3, 2004

With the current web app that I am writing, I am starting to plan ahead to the scalability problems that I am planning on encountering with the number of users that I may have...

My hosting plan now allows for a 50MB SQL Server database, but, I know that will not last long, each user will be using 3-5MB each of the database, so I am going to outgrow my space fast.

Would looking into (until i have enough subscribers to get a dedicated host), SQL Hosting be a good idea? Atleast to start off with something like http://www.alentus.com/hosting/sqlserver.asp ?

But then again, would a SQL Database growing to large get bad? Within a few years, i expect to have at max 5,000 users, so that could grow to a 25GB database... with millions of rows.

Would breaking it up into smaller databases for each N amount of users be a wise idea? Or would it not really matter?

Any help is much appreciated

Happy New Year
Harold.

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May 16, 2005

Hello;

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Sep 27, 2001

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Nov 16, 2007

Dear Experts,
now i was allotted as a complete DBA for one client and i've to take care from the creation itself.

we've understood the data will be around 20 GB initially, and from there onwards, 1GB data will grow in the database. total number of tables are around 1400. and we have primary key on each table.

Now you Experts, please guide me that how can i take the Fragmentation levels for best performance? or i need to give you more information regarding that.....

i need your valuble suggesions and guidence

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Dec 2, 2005

I'm cleaning data which involves updating ~12 million rows with threedifferent models, progressively. First clean values using the modelwith finest granularity, then the remainder with the next model,finally what's left using the last model. The first model sets ~1/2 ofthe rows, the second ~1/4, the third ~1/5, and the remaining 5% don'tget updated.It's something like this:UPDATE t SET value=value*m.AdjustmentFactor, updateFlag='updated'FROM Table t JOIN Models m ON ....WHERE m.ModelID='first model' AND t.updateFlag IS NULLStart with 'first model' then 'second model' etc.I'm wondering what happens if I submit all three queries together, oras three separate submissions, waiting for the one before to complete.If I do them all as one group, the query planner might plan for thesecond and third updates based on the initial distribution of values.However, the first update removes half of the rows from consideration,so it seems to me a new plan should be prepared for the second query,based on the distribution at that time. If I highlight the queries inQuery Analyzer and execute, are all three plans created at thebeginning? Does putting GO between them (which I do) make anydifference?This is SQL Server 2000.Thanks,Jim

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Oct 18, 2007

I've done a fair amount of hardware planning for the SQL Server Database Engine. Now I'm doing so for SSRS which I don't have as much experience with. I haven't been able to find much information, especially around RAM capacity and have a few questions. Any responses or pointers to resources are appreciated.

Scenario: 2 load-balanced SSRS 2005 App servers with an independent back-end SQL DB for the config database. Total userbase is about 2000 (not simultaneous), and I'm still trying to get statistics for per hour requests. May also install multiple SSRS instances on these boxes with one of them in Sharepoint Integrated mode (don't anticipate high volume here). Load-balancing is for both performance and availability goals.

I'm looking at the SSRS App servers only and am analyzing amount of RAM, 32 vs 64 bit, and perhaps CPU core count.

1. Does 32-bit Enterprise SSRS benefit from more than 4 GB on a server, using AWE or other memory extension? Or is anything > 4 GB unused at 32 bit?
2. Are there material benefits to going to 64-bit OS / SSRS and increasing memory above 4 GB? (does IIS handle this?), Perhaps to 8 or 16 GB.
3. The boxes will be 2-way, dual core, with possibility of going to quad core. Is increasing core count a better use of budget than increasing RAM above 4 GB?


I've read the white paper, "Planning for Scalability and Performance with Reporting Services" (http://www.microsoft.com/technet/prodtechnol/sql/2005/pspsqlrs.mspx) which briefly (but incompletely) discusses 32 vs 64 bit, and really doesn't touch on RAM at all.


Thanks for any pointers,

Scott

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Apr 30, 2007

Hello,
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my databaseserver will have 14 databases-
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at any time there will be around 500 users using these products but since these products are seasonal there is a chance that all 500 users are connected to one database only.(but there is also a possiblity that load is equally distributed on all the databases)
My product will run on intranat.

My requirement is:
1. What is best server configuration for hosting such type of database.(sqlserver 2005)
2. How many concurrent users sqlserver supports(MSaccess supports 15 concurrent users)
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Aug 8, 2007

Hello,

I have been working on SQL Server Capacity Planning for a few weeks now and have gathered a lot of materials, but non of thes materials contain recommended best practices on SQL Server capacity planning and also they do not contain operational guidelines.

I would be glad if anyone can recommend a website or book that contain information on SQL Server Capacity Planning Best Practices.

Thanks,
Jide

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So, if I discontinued backup of the database, what is my recovery method if it become corrupt? Since mine is not used, can I simply copy it from another server?

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Jul 23, 2005

I was browsing Microsoft's SQL Server site, looking forsome details about SQL Server 2005. Didn't find whatI was looking for...I'm thinking about moving an existing SQL Server 2000workload to a new box, using SQL Server 2005, andmaybe the 64-bit version.My questions are:1. What is the current target date for release of SQL Server 2005?Will 64-bit ship when 32-bit ships?2. Will 64-bit SQL Server 2005 require a special versionof Windows Server 2003 (e.g. Windows Server 2003 Enterprise x64)?Will it work with both Intel and AMD processors?3. How many CPUs, and how much memory, will be supported bySQL Server 2005, 32-bit and 64-bit, on each OS that can runSQL Server 2005.I'm looking for a chart here, something like the chart onpage 117 of Kalen Delaney's "Inside SQL Server 2000" book.SQL Server 2005 SQL Server 2005Feature Enterprise 32-bit Enterprise 64-bit------------------- ----------------- -----------------CPUs supportedWin Srvr 2003:Win Srvr 2003 Adv:Win Srvr 2003 Ent x64:Physical memorysupportedWin Srvr 2003:Win Srvr 2003 Adv:Win Srvr 2003 Ent x64:Has Microsoft published this info, and I just can find it?

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Feb 13, 2008

Here are my planning details:

RAID 1:

2 disks RAID 1 for OS and BINS
2 disks RAID 1 for Backups.

RAID 10

4 disks RAID 10 for data
4 disks RAID 10 for log
4 disks RAID 10 for TEMPDB

Should i put the master and other system database on RAID 10 along with TempDB.

Or what else a guru fellow will advise in above setup.

thanks,

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I am attempting to find information/recommendations on how to go about projecting the amount of storage for each of these while factoring in for growth.

Additional Details:

how to best formulate a reasonable estimate. Our largest content database belongs to IT and is currently ~80GB. That said, this is currently an outlier. The remaining content databases are less than 10GB (most are less than 2-3 GB). However, SharePoint will be used for digital document imaging in addition to, eventually, replacing file shares as our primary document storage medium once we roll it out.

Our current tempDB is ~400MB, but the instance was recently started a few days ago, as we had to failover to our backup server for hardware maintenance. I do not have any historical data on TempDB growth at this time. Also, I don't know how useful this would be given we have not fully deployed yet.

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Sep 13, 2007

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Jan 17, 2002

Hi,

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Regards
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Hello,

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Mar 6, 2007

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What is the main difference between snapshot and transactional and merge replication?

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Jul 28, 2006

Hi,

I have a VB.net app that access a SQL Express database. I have transactional repliaction set up on a SQL 2000 database (the publisher) and a pull subscription from the VB.net app. I use RMO in the VB app to connect to the publisher. My problem is I am getting some strange behaviour as follows

- if I run the app and invoke the pull subscription it works fine. If I then close my app and go back in, I can access my data without any problem

- If I run the app and try to access data in my SQL Express database it works fine. I can then close the app, reopen it and run the pull subscription it works fine

however.......

- if I run the app, invoke the pull subscription (which runs fine), and then try to access data in my local SQL Express database without firstly closing and reopening the app, I get a login error

- if I run the app, try to access data in my local SQL Express database (which works fine), and then try to run the pull subscription I get a "the process cannot acces the file as it is being used by another process" error. In this case I need to restart the SQL Express service to be able to run replication again.

I get exactly the same behaviour when I use the Windows Sync tool (with my app open at the same time) instead of my RMO code to replicate the data.

I am using standard ADO.Net 2 code to access my SQL Express data in the app and closing all connections etc

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Thanks
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