|By Srinivasan Sundara Rajan||
|October 28, 2010 10:47 AM EDT||
Abstraction Vs Flexbility :
It is evident that storage plays a major part in the data center and for cloud services. The storage virtualization plays a key part in the dynamic infrastructure attribute of Cloud Computing. Which means the storage is provisioned and de-allocated on demand and usage needs. The good part is that this complex stuff is hidden from the cloud consumer.
However while the storage allocation is abstracted it also brings in performance concerns in a multi tenant cloud environment where by most of the cloud consumers are geographically dispersed and a good amount of data retrieval and manipulation at stake.
Currently most cloud storage virtualization platforms rely on the hardware options like fiber channel, Ethernet switch, network attached storage (NAS) and iSCSI as the implementation medium.
Currently Cloud platforms have very little support for database design related virtualization enhancements. But in future designing databases specific for Cloud especially for private clouds in large enterprises is a sure possibility. In this context the following design principles are important when you design database applications which needs to be delivered using Cloud platform.
Shared Nothing Vs Shared Every Thing
Shared resource and shared nothing represent forms of data access architectures. In a shared (every thing) resource model various processes in the DBMS have access to all system resources, including the data. In the shared-nothing environment, separate DBMS resources divide up the workload, rach responsible for its own data, memory locations, and other resources.
Most popular databases support a shared-nothing model using different strategies. For example,
- Oracle : Utilizes Range & Hash portioning of tables towards shared nothing . Here it is a table and table space level segregation of data based either on range of key values or a hashing algorithm. (note : Oracle Real Application clusters at the instance level adopt a Shared Every Thing Model)
- DB2 UDB follows a shared nothing model. Data is partitioned according to a partition key. Rows are assigned to a partition, and each partition has total control of that row. If another partition wants to read or update a row, it must send the request to the owning partition. The owning partition then executes the command on behalf of the requestor.
- Sql Server : Utilizes Distributed Partitioned views to implement Shared nothing architecture.
Shared nothing model greatly simplifies things like resource contention, including memory, locks and processors . Implemented properly , it offers unlimited scalability. As new rows or data sources are added, more partitions can be added. The workload on any individual partition remains the same.
Storage Virtualization & Shared Nothing Meet Each Other
While the dynamic infrastructure tenant of cloud computing is satisfied by the current classic model as seen in the picture , but the load balancing and scalability needs are fully satisfied by hardware at this time. However implementing the shared nothing data access architecture with a proper access key will highly improve the scalability and performance of cloud databases which in turn increases the QoS of the Cloud platform and make the XaaS a real success providing the best of cost efficiency and improved performance.
View Of a Shared Nothing Cloud Database
As evident implementing a Shared Nothing Cloud Database Model does not replace Storage Virtualization, but compliments the scalability further by splitting the data within multiple virtual storage drives. As seen in the diagram,
Load balancing algorithms implemented at the shared nothing cloud databases further augment the Load balancing options provided by the Cloud Platform.
Shared Nothing Cloud Database Design Considerations
- Implement Hashing or Ranging Keys as part of the tables which logically separate the data based on the Cloud platform needs. For example if in a SaaS platform multi tenancy is the need then having the CUSTOMER ID or CUSTOMER KEY as a Hashing key for the shared nothing cloud databases
- Increase the scalability further by implementing a Geography or Time based partition which scales up well depending on the situations
- Ensure that the queries utilize the logical partitions established as part of the shared nothing architecture. For example if you can query a customer by SSN in a cloud database which has implemented a shared nothing architecture using Geography, then utilize the geography also part of the query filter conditions
- Have an option to rebalance the data within the virtualized storage if they started becoming skewed due to the way the hashing algorithm is built in
What is expected from Cloud Platform Providers & Database Vendors
- Expecting the database vendors provide shared nothing algorithms tailored for virtual storage, especially on the rebalancing based on the disk usage
- New cloud aware partitioning techniques
- Complimenting load balancing algorithm to augment what is currently available at the hardware
- Ability to PIN SQLs to a virtual machine based on dynamically queried resource usage
Over all Private Clouds at Enterprise need to satisfy still more SLA or QoS as part of their service and full support from database engines is key to the success. Share Nothing Architecture is one important thing to achieve these non functional needs of the Cloud Platform.
With major technology companies and startups seriously embracing IoT strategies, now is the perfect time to attend @ThingsExpo in Silicon Valley. Learn what is going on, contribute to the discussions, and ensure that your enterprise is as "IoT-Ready" as it can be! Internet of @ThingsExpo, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 17th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading in...
Jul. 6, 2015 02:00 PM EDT Reads: 527
SYS-CON Events announced today that MangoApps will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. MangoApps provides private all-in-one social intranets allowing workers to securely collaborate from anywhere in the world and from any device. Social, mobile, and easy to use. MangoApps has been named a "Market Leader" by Ovum Research and a "Cool Vendor" by Gartner. 20,000+ business custome...
Jul. 6, 2015 02:00 PM EDT Reads: 1,469
IT data is typically silo'd by the various tools in place. Unifying all the log, metric and event data in one analytics platform stops finger pointing and provides the end-to-end correlation. Logs, metrics and custom event data can be joined to tell the holistic story of your software and operations. For example, users can correlate code deploys to system performance to application error codes. In his session at DevOps Summit, Michael Demmer, VP of Engineering at Jut, will discuss how this can...
Jul. 6, 2015 02:00 PM EDT Reads: 415
Kintone Named "Bronze Sponsor" in Silicon Valley | @CloudExpo @Kintone_Global #IoT #M2M #API #Microservices #InternetOfThings
SYS-CON Events announced today that kintone has been named “Bronze Sponsor” of SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. kintone promotes cloud-based workgroup productivity, transparency and profitability with a seamless collaboration space, build your own business application (BYOA) platform, and workflow automation system.
Jul. 6, 2015 01:45 PM EDT Reads: 1,467
SYS-CON Events announced today that WHOA.com, an ISO 27001 Certified secure cloud computing company, participated as “Bronze Sponsor” of SYS-CON's 16th International Cloud Expo® New York, which took place June 9-11, 2015, at the Javits Center in New York City, NY. WHOA.com is a leader in next-generation, ISO 27001 Certified secure cloud solutions. WHOA.com offers a comprehensive portfolio of best-in-class cloud services for business including Infrastructure as a Service (IaaS), Secure Cloud Desk...
Jul. 6, 2015 01:45 PM EDT Reads: 291
SYS-CON Events announced today that Harbinger Systems will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Harbinger Systems is a global company providing software technology services. Since 1990, Harbinger has developed a strong customer base worldwide. Its customers include software product companies ranging from hi-tech start-ups in Silicon Valley to leading product companies in the US a...
Jul. 6, 2015 01:30 PM EDT Reads: 1,591
The cloud has transformed how we think about software quality. Instead of preventing failures, we must focus on automatic recovery from failure. In other words, resilience trumps traditional quality measures. Continuous delivery models further squeeze traditional notions of quality. Remember the venerable project management Iron Triangle? Among time, scope, and cost, you can only fix two or quality will suffer. Only in today's DevOps world, continuous testing, integration, and deployment upend...
Jul. 6, 2015 01:30 PM EDT Reads: 1,275
Live Webinar with 451 Research Analyst Peter Christy. Join us on Wednesday July 22, 2015, at 10 am PT / 1 pm ET In a world where users are on the Internet and the applications are in the cloud, how do you maintain your historic SLA with your users? Peter Christy, Research Director, Networks at 451 Research, will discuss this new network paradigm, one in which there is no LAN and no WAN, and discuss what users and network administrators gain and give up when migrating to the agile world of clo...
Jul. 6, 2015 01:30 PM EDT Reads: 456
Announcing @SoftLayer "Gold Sponsor" of @CloudExpo Silicon Valley | #IoT #M2M #API #DevOps #Containers #Microservices
SYS-CON Events announced today that SoftLayer, an IBM company, has been named “Gold Sponsor” of SYS-CON's 17th International Cloud Expo®, which will take place November 3–5, 2015 at the Santa Clara Convention Center in Santa Clara, CA. SoftLayer operates a global cloud infrastructure platform built for Internet scale. With a global footprint of data centers and network points of presence, SoftLayer provides infrastructure as a service to leading-edge customers ranging from Web startups to globa...
Jul. 6, 2015 01:15 PM EDT Reads: 1,531
ISS to Exhibit at @CloudExpo Silicon Valley | #Cloud #IoT #M2M #API #Microservices #InternetOfThings
SYS-CON Events announced today that Intelligent Systems Services will exhibit at the 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Established in 1994, Intelligent Systems Services Inc. is located near Washington, DC, with representatives and partners nationwide. ISS’s well-established track record is based on the continuous pursuit of excellence in designing, implementing and supporting nationwide clients’ ...
Jul. 6, 2015 01:15 PM EDT Reads: 408
Discussions about cloud computing are evolving into discussions about enterprise IT in general. As enterprises increasingly migrate toward their own unique clouds, new issues such as the use of containers and microservices emerge to keep things interesting. In this Power Panel at 16th Cloud Expo, moderated by Conference Chair Roger Strukhoff, panelists addressed the state of cloud computing today, and what enterprise IT professionals need to know about how the latest topics and trends affect t...
Jul. 6, 2015 01:15 PM EDT Reads: 531
17th Cloud Expo, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterprises ar...
Jul. 6, 2015 01:00 PM EDT Reads: 626
The time is ripe for high speed resilient software defined storage solutions with unlimited scalability. ISS has been working with the leading open source projects and developed a commercial high performance solution that is able to grow forever without performance limitations. In his session at Cloud Expo, Alex Gorbachev, President of Intelligent Systems Services Inc., shared foundation principles of Ceph architecture, as well as the design to deliver this storage to traditional SAN storage co...
Jul. 6, 2015 01:00 PM EDT Reads: 1,153
The enterprise market will drive IoT device adoption over the next five years. In his session at @ThingsExpo, John Greenough, an analyst at BI Intelligence, division of Business Insider, analyzed how companies will adopt IoT products and the associated cost of adopting those products. John Greenough is the lead analyst covering the Internet of Things for BI Intelligence- Business Insider’s paid research service. Numerous IoT companies have cited his analysis of the IoT. Prior to joining BI In...
Jul. 6, 2015 01:00 PM EDT Reads: 321
"What Dyn is able to do with our Internet performance and our Internet intelligence is give companies visibility into what is actually going on in that cloud," noted Corey Hamilton, Product Marketing Manager at Dyn, in this SYS-CON.tv interview at 16th Cloud Expo, held June 9-11, 2015, at the Javits Center in New York City.
Jul. 6, 2015 12:45 PM EDT Reads: 435
SYS-CON Media announced today that CloudBees, the Jenkins Enterprise company, has launched ad campaigns on SYS-CON's DevOps Journal. CloudBees' campaigns focus on the business value of Continuous Delivery and how it has been recognized as a game changer for IT and is now a top priority for organizations, and the best ways to optimize Jenkins to ensure your continuous integration environment is optimally configured.
Jul. 6, 2015 12:37 PM EDT Reads: 171
"We help to transform an organization and their operations and make them more efficient, more agile, and more nimble to move into the cloud or to move between cloud providers and create an agnostic tool set," noted Jeremy Steinert, DevOps Services Practice Lead at WSM International, in this SYS-CON.tv interview at @DevOpsSummit, held June 9-11, 2015, at the Javits Center in New York City.
Jul. 6, 2015 12:30 PM EDT Reads: 506
CommVault Named “Bronze Sponsor” in Silicon Valley | @CloudExpo @CommVault #IoT #API #Containers #Microservices
SYS-CON Events announced today that CommVault has been named “Bronze Sponsor” of SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. A singular vision – a belief in a better way to address current and future data management needs – guides CommVault in the development of Singular Information Management® solutions for high-performance data protection, universal availability and simplified management of data...
Jul. 6, 2015 12:15 PM EDT Reads: 1,438
Announcing @Solgenia_Corp to Exhibit at @CloudExpo Silicon Valley | #IoT #M2M #API #Microservices #InternetOfThings
SYS-CON Events announced today that Solgenia will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Solgenia is the global market leader in Cloud Collaboration and Cloud Infrastructure software solutions. Designed to “Bridge the Gap” between Personal and Professional Social, Mobile and Cloud user experiences, our solutions help large and medium-sized organizations dramatically improve produc...
Jul. 6, 2015 12:15 PM EDT Reads: 1,540
[video] Internet of Things Solutions with @GEngelstein | @ThingsExpo #IoT #M2M #API #InternetOfThings
"ciqada is a combined platform of hardware modules and server products that lets people take their existing devices or new devices and lets them be accessible over the Internet for their users," noted Geoff Engelstein of ciqada, a division of Mars International, in this SYS-CON.tv interview at @ThingsExpo, held June 9-11, 2015, at the Javits Center in New York City.
Jul. 6, 2015 11:45 AM EDT Reads: 261