Welcome to Virtual Space Co., Ltd. Goto Top. Part. 0. Steven Poitras. Steven Poitras. Table of ContentsPart I. A Brief Lesson in History. The Evolution of the Datacenter1. The Era of Mainframe1. Stand Alone The Move to Stand Alone Servers1. Centralized Storage1. Data Ramdisk Keygen' title='Data Ramdisk Keygen' />The Introduction of Virtualization1. Virtualization Matures1. SSDs Solid State Disks1. In Comes Cloud1. The Importance of Latency1. Looking at the Bandwidth1. The impact to Memory Latency1. Book of Web Scale. Hyper convergence1. Software defined intelligence1. Distributed autonomous system1. Incremental and linear scale out1. The WebSphere Application Server Performance Cookbook covers performance tuning for WebSphere Application Server, although there is also a very strong focus on Java. No more missed important software updates UpdateStar 11 lets you stay up to date and secure with the software on your computer. Pc PC. Part II. Book of Prism. Design Methodology2. Prism Services2. Navigation2. Prism Central2. Prism Element2. Keyboard Shortcuts2. Troubleshooting. 2. Hypervisor Upgrade2. IO Metrics2. 4. Capacity Planning2. APIs and Interfaces. ACLI2. 5. 2 NCLI2. Power. Shell CMDlets. Integrations2. 6. Open. Stack2. 6. Puppet. Part III. Book of Acropolis. Architecture3. 1. Hyperconverged Platform3. Distributed Systems3. Software defined3. Cluster Components3. Acropolis Services3. Dynamic Scheduler3. Security and Encryption3. Drive Breakdown3. Distributed Storage Fabric3. Data Structure3. IO 3. Scalable Metadata3. Data Protection3. Availability Domain3. Data Path Resiliency3. Capacity Optimization3. Storage Tiering and Prioritization3. Disk Balancing3. Snapshots and Clones3. IO3. 2. 1. 2 Data Locality3. Shadow Clones3. 2. Storage Layers and Monitoring3. Services3. 3. 1 NGT Nutanix Guest Tool3. OS OS Customization3. Block Services3. File Services3. Container Services3. DR Backup and Disaster Recovery3. Implementation Constructs3. Protecting Entities3. Backup and Restore3. App Consistent Snapshots. DR Replication and Disaster Recovery3. Cloud Connect3. 4. Metro Availability3. Application Mobility Fabric. Administration3. Important Pages3. Cluster Commands3. Gflags. 3. 5. 5 Part IV. Book of AHV4. 1 Architecture4. Node Architecture4. KVM KVM Architecture4. Configuration maximums and scalability4. Networking4. 2 How It Works4. IO Storage IO Path4. Micro segmentation4. Service Chaining4. IP IP Address Management4. VM HA VM High Availability4. Administration4. Important Pages4. Command Reference4. Part V. Book of v. Sphere. 5. 1 Architecture5. Node Architecture5. Networking5. 2 How It Works5. Array Offloads VAAI5. CVM CVM Autopathing aka Ha. Administration5. Important Pages5. Command Reference5. Part VI. Book of Hyper V6. Architecture6. 1. Installing Chameleon Boot Loader here. Node Architecture6. Networking6. 2 How It Works6. Array Offloads ODX6. Administration6. Important Pages6. Command Reference6. Part VII. Book of Xen. Server. Part VIII. Book of Foundation. Architecture8. 2 System Imaging and DeploymentPart I. A Brief Lesson in History. The Evolution of the Datacenter. The Era of Mainframe. Mainframe , . CPU,, . Stand Alone The Move to Stand Alone Servers. Stand Alone . Stand Alone . CPU,, DAS . Stand Alone . SPOF Single Point Of Failure 1. Centralized Storage. DASDirect Attached Storage. Data HA. Stand Alone Storage Pool. RAID . SAN Fabric, WWPNs, RAID, , . The Introduction of Virtualization. Virtualization, Operating System. VMVirtual Machine . OS VM . VM HAHigh Availability , . Pooling 1. Virtualization Matures. VMware v. Motion, HA, DRS . VM HA . VM IO . DRSv. Motion VM HA . VM GB . LUN VM IO Spindle Count1. SSDs Solid State Disks. SSD IO IO. IO . SSD . HDD IO . SSD . IO 1. In Comes Cloud. Hosted Services . IT,, . IT IT , . IT . TTV Time to value SLA. Cloud Classification. Saa. S Software as a Service. URL Examples Workday, Salesfoce. Google Paa. S Platform as a Service. Examples Amazon Elastic Beanstalk Relational Database Services RDS, Google App Engine Iaa. S Infrastructure as a Service. VM,, NFV Examples Amazon EC2ECS, Microsoft Azure, Google Compute Engine GCE, etc. IT Shift in IT focus. IT . IT . IT . Compare 2 Html Files Dreamweaver. IT . The Importance of Latency. IO . L1 cache reference. Branch Mispredict. L2 cache reference. L1 cache. Mutex lockunlock. Main memory reference. L2 cache, 2. 00x L1 cache. Compress 1. KB with Zippy. Sent 1. KB over 1. Gbps network. 10,0. Read 4. K randomly from SSD1. Read 1. MB sequentially from memory. Round trip within datacenter. Read 1. MB sequentially from SSD1,0. Disk seek. 10,0. 00,0. Read 1. MB sequentially from disk. SSDSend packet CA Netherlands CA1. Jeff Dean, https gist. CPU L1 vs. L2 0. K SSD Read 1. 50,0. SSD Intel S3. K Reads 7. IOPS 4. K Writes 3. IOPS. Reads 5. MBs Writes 4. MBsLatency. Looking at the Bandwidth. IO. Fiber Channel FC. Ethernet FCo. E. Gb, 4. Gb IB, etc. Intel S3. MBs Read, 4. 60. MBs Write. SSD ROUNDUPnum. Connections conn. BW in GBs ssd. BW R or W. NOTE Partial SSD . IO CPU , CPU. SSD Read IOWrite IODual 4. Gb FC8. Gb 1. GB2. Dual 8. Gb FC1. 6Gb 2. GB4. 5Dual 1. 6Gb FC3. Gb 4. GB8. 9Dual 1. Gb ETH2. Gb 0. GB1. Dual 1. 0Gb ETH2. Gb 2. 5. GB5. 6. SSD . SSD 9 SSD , . The impact to Memory Latency. Read 1. 00ns OS hypervisor overhead Read 1. NW RTT latency 2 x OS hypervisor overhead. RTT 0. 5ms5. 00,0. Read 1. 00ns 5. OS hypervisor overhead. RTT ,. Read 1. 00ns 1. OS hypervisor overhead. Book of Web Scale. Web Scale , . Google, Facebook, Microsoft. Complexity, Complexity, Complexity Agility. Hyper convergence Software defined intelligence Distributed autonomous system Incremental and linear scale out. API API based automation and rich analytics Self healing.