The Citrix Blog

Tag: sql

  1. How to troubleshoot – and possibly resolve – Edgesight server performance issues

    By Vincent Papoz · Published on 8 months ago · 7 Comments

    One issue that comes back every so often with Edgesight is one of performance. Little by little, an administrator might see the following behaviour: - Report Rendering takes forever, - Payloads are queuing in the webload directory and are imported very slowly, - Servers will not update the Database, - Nightly maintenance takes a very long time - and possibly eventually fails, - Grooming error message are showing up all ...

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  2. NetScaler Application Firewall YouTube demo

    By Marissa Schmidt · Published on 1 year ago · No Comments

    Our Application Firewall team came across this NetScaler YouTube video with detailed steps of hacking a vulnerable website by changing password, doing XSS attacks, and more!  This was done last year with NetScaler 9.2. Release for Citrix Virtual Computing Demo Contest 2010.  This demo then demonstrates configuring NetScaler Application firewall and showing what happens on those same attacks.  This is very good info that we wanted to share this to our ...

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  3. 236 Web applications, 69% had at least one SQL injection vulnerability

    By Marissa Schmidt · Published on 1 year ago · No Comments

    networkBug

    An article was published last week about a study from HP’s Application Security Center Web security research group.  In a nutshell, the study talks about an increase in attacks and issues found from vulnerability scanning tools.  It also talked about # of disclosed issues declined for those apps.  One can spend all their time running the scanning tools but the issues still have to be fixed.  ...

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  4. SQL Connection Multiplexing – The technology behind it and how this benefits database servers

    By Deepak Patel · Published on 1 year ago · No Comments

    Database servers typically have a TCP/IP stack that is optimized for longer running workloads servicing fewer web/application servers. Today's data explosion challenges the traditional OLTP database architectures with the need for a higher number of web/application servers which are performing much smaller work loads - for instance there are millions of queries/day that are executed on a ecommerce website specializing in travel.  Wait a minute... these challenges are similar ...

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  5. DSMAINT RECREATELHC and Replicated IMA Datastores

    By James Denne · Published on 1 year ago · 3 Comments

    Before I joined Citrix I worked in Infrastructure Support for a large UK financial services company. When we recruited new members of the team we gave each candidate a technical test covering the technologies the team supported; AD, DNS, WINS, DHCP, Clustering, Citrix, VMware etc etc etc. The objective of the test was to measure a candidate's technical ability and in particular to ...

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  6. Load Balancing SQL

    By Craig Ellrod · Published on 2 years ago · No Comments

    databaselb.jpg

    Scaling the Data Tier with Citrix NetScaler DataStream Technology Native support and intelligence of SQL transactions is the key to extending the scalability, availability, and security benefits that the ADC brings to the web tier to the data tier, as noted in Sunil Potti's blog. Similar to the benefits of HTTP load balancing, a data tier load balancer should provide these key benefits: A native SQL ...

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  7. XenApp, Provisioning Server, and more…

    By Peter Schulz · Published on 3 years ago · 1 Comment

    Just in case you haven't seen the posts by Ed York and Michael Bogobowicz on Workflow Studio recently I wanted to call them out. In addition to providing some excellent activities and workflows for you, there are posts that explain the process of creating activities and workflows around XenApp, Provisioning Server, and SQL. Michael wrote a workflow that automates the update of vDisks in Provisioning Server ...

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  8. SQL Server Activity Library for Citrix Workflow Studio

    By Ed York · Published on 3 years ago · No Comments

    I just recently posted a SQL Server activity library to the Citrix Developer Network (CDN).  The SQL Server activity library allows you to execute SQL statements (SELECT, INSERT, UPDATE, DELETE, etc.) on a Microsoft SQL Server database as part of a workflow within Citrix Workflow Studio.  The activity library, setup instructions, and full source code can be downloaded here. I actually needed this type of library ...

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  9. Workflow Studio Pre-Requisites

    By Peter Schulz · Published on 4 years ago · No Comments

    I just posted an article on the components that are pre-requisites for Workflow Studio and how you can extend the ISO image we provided to include all components if you wish: http://community.citrix.com/display/wf/Workflow+Studio+Pre-Requisites I find it useful to have a CD image with everything on it that auto-runs, and thought that others might as well.

  10. WFDB or not WFDB

    By Peter Schulz · Published on 4 years ago · No Comments

    We had a question on the support forums about modifying the database used for Workflow Studio, which defaults to 'WFDB'. All the SQL scripts are provided for you in the Workflow Studio install, and we anticipated our customers wanting to have multiple databases on a single server or just changing the name from the default 'WFDB' name. In fact, if the SQL Admin wants more ...

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