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  • SQL Express 2008 R2 on Amazon EC2 instance: tons of free memory, poor performance

    - by gravyface
    The old SQL Express 2005 was running on a low-end single Xeon CPU Dell server, RAID 5 7200 disks, 2 GB RAM (SBS 2003). I have not done any baseline measurements on the old physical server, but the Web app is used by half a dozen people (maybe 2 concurrently), so I figured "how bad can an Amazon EC2 instance be?". It's pretty horrible: a difference of 8 seconds of load time on one screen. First of all, I'm not a SQL guru, but here's what I've tried: Had a Small Instance, now running a c1.medium (High Cpu Medium) Windows 2008 32-bit R2 EBS-backed instance running IIS 7.5 and SQL Express 2008 R2. No noticeable improvement. Changed Page File from fixed 256 to Automatic. Setup a Striped Mirror from within Disk Management with two attached 1 GB EBS volumes. Moved database and transaction log, left everything else on the boot EBS volume. No noticeable change. Looked at memory, ~1000 MB of physical memory free (1.7 GB total). Changed SQL instance to use a minimum of 1024 RAM; restarted server, no change in memory usage. SQL still only using ~28MB of RAM(!). So I'm thinking: this database is tiny (28MB), why isn't the whole thing cached in RAM? Surely that would speed up performance. The transaction log is 241 MB. Seems kind of large in comparison -- has this not been committed? Is it a cause of performance degradation? I recall something about Recovery Models and log sizes somewhere in my travels, but not positive. Another thing: the old server was running SQL Express 2005. Not sure if that has any impact, but I tried changing the compatibility level from SQL 2000 to 2008, but that had no effect. Anyways, what else can I try here? Seems ridiculous to throw more virtual hardware at this thing. I know I/O is going to be rough on EBS volumes, but surely others are successfully running small .NET/SQL apps on reasonably priced instances?

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  • Wait random number of minutes

    - by TiborKaraszi
    Why on earth would you want to do that? you ask. Say you have a job that is scheduled to start at the same time over a number of servers. This might be because you have an SQL Server Master/Target server environment (MSX/TSX) or you quite simply script a job and execute that script on several servers. You probably want to spread the load on your SAN and virtual machine host a bit. This is the exact reason I use this procedure. I frequently use MSX servers and I usually add a job step (executing this...(read more)

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  • Make a temp network.

    - by giodamelio
    I have a XAMPP test server running on my Windows Vista laptop. I also have a small wireless router. I would like be able to create a small temp network that could broadcast that network so any other computers connected to the wifi can go to localhost/ or an internal ip address and view my server. The router will not be able to be connected to the internet, but I don't see how that would make a difference Thanks giodamelio

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  • Windows 2003 routing by port

    - by vansickle
    I have remote Windows 2003 server with two network interfaces e.g. Cn1 and Cn2. I need that all traffic goes through Cn1 except for one port (for me it's 3389, rdp for administration) that works over Cn2. Currently when I setup all connections work through Cn1, I completely lose connection over Cn2 - and can't connect to server via RDP over Cn2. Now I used static routing based on my ip address (which can changed - so it's bad).

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  • host key verification failed from "connect to server" utility

    - by rambo
    I am able to use SSH from terminal but I am not able to use it from "connect to Server.." utility. it is showing the error in the dialog box as below: Cannot display location "sftp://[email protected]:PORT/ "Host key verification failed" why so? from terminal using below command I am able to access the server: ubuntu# ssh -p 2222 [email protected] Description: Ubuntu 10.04.4 LTS Release: 10.04 Codename: lucid any help please. thank you in advance.

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  • SharePoint 2010 and SQL Server 2008 R2

    - by Enrique Lima
    Recently participated in a conversation that asked about what thoughts were around the advantages of SharePoint 2010 and SQL Server 2008 R2. I guess we can really dive in by exploring a document on TechNet by the name of SQL Server 2008 R2 and SharePoint 2010 Products: Better Together (white paper)

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  • Why web application on https stops working after windows update?

    - by Rychu
    On Windows Server 2008 R2 I have several web applications on IIS7. One of these applications has https binding with SSL certificate. However after every windows update this one application stops working. Browser says that server is unavailable. It starts working again when I simply open IIS manager, select that https binding, click edit and without changing anything click OK. Why is this happening?

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  • How to configure Apache to act as an SSL proxy to an application server?

    - by ripper234
    I have one physical server that runs: an Apache (httpd) server another web server (let's say Tomcat for sake of argument) on port 1234 Can I configure the Apache server to act as a proxy for SSL traffic, while keeping the application server blissfully unaware of SSL? What I imagine is: Traffic to http://myserevr.com/app is redirected to https://myserver.com/app Traffic to https://myserver.com/app is proxied to the application server. My SSL certificate is only installed on the Apache server, not on the Application server Other traffic to the Apache server (http://myserver.com/anotherapp) is served directly from the Apache server What's the best setup to achieve this? (On Ubuntu, if that matters)

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  • mysql questions for beginners

    - by ankhseeker
    ok, I have a few questions regarding mysql. I am currently running ubuntu 12.04.4 LTS command line version. I am looking for a database that I can use. I am confused at this point because I am uninformed. mysql is just one database that is on the server? or can it contain several or many databases What programs do I use to access it on the server or is it a vt-100 type access? I understand that mysql comes with lamp? or ubuntu. I am thinking that it is already installed but not sure how to access it, but that is another question for later. Outside of the man pages and the ubuntu manual, is there a site for its setup and use? Thanks!

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  • Access a remote active directory

    - by theXs
    I'm currently trying to query a remote Active Directory on a Windows Server 2008 R2. However, I'm not able to query the directory if I enter the following string in the cmd line: dsquery user -name m* -s ip:389 -u -p Furthermore, I tried to access the directory with: ldap://: but it didn't work either. I received the following error message: The server is not operational. Is there an option with which I can enable the remote access of an Active Directory?

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  • Avoiding memory full -> swap full -> crash

    - by Noam
    I'm experiencing an issue when sometimes the memory gets 100% full, and the swap file also, and the server becomes non-responsive and has to be restarted (causing also problems in database). This is what Cacti shows: The server is running a web-app (database + apache) and during that specific moment didn't experience any ir-regular traffic or usage. This scenario happened twice in the last week. What can cause this? How can I resolve the issue?

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  • Find out the clients of your MySQL server

    <b>Linux Admin Zone:</b> "Sometimes in large deployments, there are cases when MySQL server, setup by you long time back which has been in use by multiple teams in your organization, needs some change or update or intrupption in its service and you are in need to know how many clients are there which connects to this server."

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  • Determining Azure SQL Database requirements

    - by Gerald
    I'm looking into moving an SQL Server database project to the cloud using Azure SQL Database. I'm just wondering what metrics I can use from SQL Server to help determine what my needs will be on Azure. The size of the database is around 150GB, so I understand what my needs are in terms of storage, I'm just not sure what metrics I can use to translate my database usage to the DTU benchmark metrics that the various service tiers on Azure SQL use.

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  • Maintainance backup in sql2005

    - by Visharth Asthana
    I changed my administrator and Sql password for server but when I try to create the backup in maintainance plan then I get this error message "Exception has been thrown by the target of invocation (MSCORLIB)" A sql statement was issued and failed. Please revert me because same thing I applied for another server it was worked properly. Regards Visharth

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  • How can I force mail clients like Outlook or Thunderbird to load SSL images with invalid certificate?

    - by Abel
    Essentially, we only encounter this issue with our testing environments, where we send mail that contains HTTPS links that point to test servers with self-signed SSL certificates. In a browser I can select to accept the certificate. Is there something similar for mail clients like Thunderbird or Outlook that I can use? Currently, we don't see any images in our test mail, which greatly confuses the UAT team.

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  • Increase in Virtual Memory [closed]

    - by Philly
    If we increase the virtual memory of windows server 2008 will it improve the performance on the application. upto what size can we increase the virtual memory in 32bit server. What are disadvantages and advantages of it? we are running bulk jobs(all imports and exports) everyday at 3pm.. because of that we are getting some system out of memory exceptions and and application is going down. Any suggestions. Thanks

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  • Playbook is starting to get mail all of a sudden [closed]

    - by 1.21 gigawatts
    After 6 months my Playbook is just now this morning starting to pull in emails from my GMail account. Why? I didn't change anything on my end. The only difference I can think of (besides something changing on RIMs services end if that has any part in this) may be that I've been on a secure university connection for a few hours. I've been on this network before but the playbook doesn't seem to stay connected to it very long. Maybe it's because I have a lot of emails in my account? Has anyone else noticed this?

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  • Oracle Application Server 10gR3 : 2012?9??????

    - by Hiro
    2012?9? (2012/09/30)?Oracle Application Server 10gR3 ?????????????? ????????????????????? Oracle WebLogic Server 10.3, 10.3.1 Oracle WebLogic Integration 10.3.1 Oracle WebLogic Operations Control 10.3 ???????????????AIX, HP-UX Itanium, HP-UX PA-RISC, Linux x86, Solaris (SPARC), Solaris x86, Windows (32-bit) ?????? ?????????????????????????????????????????????(???????) ???????????????

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  • Oracle ACE???????????????????????????«?10?:?? ???»??????????~???????????

    - by ???02
    2012?, ???Oracle ACE ????????????????14?(????)??????????3????ORACLE ACE ???????????????? ????Oracle ACE ?????????????????????????????Oracle ACE???????????????????(???) Oracle ACE ????? ?????????????????? ???????????? ??????????????Oracle Fusion Middleware??????????????WebLogic Server??????????????????? Oracle Fusion Middleware ?????????? ????????WebLogic Server??????Oracle Fusion Middleware ??????????????????????????????????????????????????????????????????????????? 2009???????WebLogic Server?????????????????????????????????????????????WebLogic Server???????????????????????????WebLogic Server ?????????????????????Oracle RAC ????????????????????????????????????????????????BEA?Oracle ??????????????????????????????????? WebLogic Server?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????? ????????????10?????????????????????????????????????????????????????????????????????????????????????????????????????”JAZZ in FUCHU”???????? Oracle ACE ???? ??????????????????????????????Oracle ACE ?????????????????????WebLogic Server ?????????????????????????????????????????????????????????????WebLogic Server???????? ??????????????Oracle ACE ??????????????????????????????????????WebLogic Server ???????????????????????????????????? ??????3?????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????? ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????? – ???????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

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  • ????????Oracle WebLogic Server - GridLink for RAC |WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????GridLink for RAC???????????????????????????????????????????????????WebLogic Server?????????????????????????????????????????JDBC???????????????Oracle RAC???????????GridLink for RAC???????????????????JDBC??????????GridLink for RAC???????????????? ¦WebLogic JDBC?? ¦GridLink for RAC???????????????????????????http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-gridlink-201107-otn-sc-439528-ja.pdf

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  • Using VCL for the web (intraweb) as a trick for adding web interface to a legacy non-tiered (2 tiers

    - by user193655
    My team is maintaining a huge Client Server win32 Delphi application. It is a client/server application (Thick client) that uses DevArt (SDAC) components to connect to SQL Server. The business logic is often "trapped" in Component's event handlers, anyway with some degree of refactoring it is doable to move the business logic in common units (a big part of this work has already been done during refactoring... Maintaing legacy applications someone else wrote is very frustrating, but this is a very common job). Now there is the request of a web interface, I have several options of course, in this question i want to focus on the VCL for the web (intraweb) option. The idea is to use the common code (the same pas files) for both the client/server application and the web application. I heard of many people that moved legacy apps from delphi to intraweb, but here I am trying to keep the Thick client too. The idea is to use common code, may be with some compiler directives to write specific code: {$IFDEF CLIENTSERVER} {here goes the thick client specific code} {$ELSE} {here goes the Intraweb specific code} {$ENDIF} Then another problem is the "migration plan", let's say I have 300 features and on the first release I will have only 50 of them available in the web application. How to keep track of it? I was thinking of (ab)using Delphi interfaces to handle this. For example for the User Authentication I could move all the related code in a procedure and declare an interface like: type IUserAuthentication= interface['{0D57624C-CDDE-458B-A36C-436AE465B477}'] procedure UserAuthentication; end; In this way as I implement the IUserAuthentication interface in both the applications (Thick Client and Intraweb) I know that That feature has been "ported" to the web. Anyway I don't know if this approach makes sense. I made a prototype to simulate the whole process. It works for a "Hello world" application, but I wonder if it makes sense on a large application or this Interface idea is only counter-productive and can backfire. My question is: does this approach make sense? (the Interface idea is just an extra idea, it is not so important as the common code part described above) Is it a viable option? I understand it depends a lot of the kind of application, anyway to be generic my one is in the CRM/Accounting domain, and the number of concurrent users on a single installation is typically less than 20 with peaks of 50. EXTRA COMMENT (UPDATE): I ask this question because since I don't have a n-tier application I see Intraweb as the unique option for having a web application that has common code with the thick client. Developing webservices from the Delphi code makes no sense in my specific case, so the alternative I have is to write the web interface using ASP.NET (duplicating the business logic), but in this case I cannot take advantage of the common code in an easy way. Yes I could use dlls maybe, but my code is not suitable for that.

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