Parallel Computing terms starting with H

16 terms

  1. Hadoop See http://hadoop.apache.org.
  2. Hadoop Distributed File System (HDFS) The HDFS file system stores large files across multiple machines. It achieves reliability by replicating the data across multiple hosts, and hence does…
  3. Hard Disk Storage (HDS) or Hard Drives (HD) the storage componet of Cloud computing requires that data be online for real-time access by remote users.
  4. Hardware Virtual Machine (HVM) virtualization Lets the guest VM run as though it is on a native hardware platform, except that it still uses para-virtual (PV) network and storage drivers for improved…
  5. hardware VPN A hardware-based IPsec VPN connection over the Internet.
  6. Hash-based Message Authentication Code (HMAC) A specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key.
  7. Hawkeye A monitoring service for Condor Pools. See http://www.cs.wisc.edu/condor/hawkeye/.
  8. health check A system call to check on the health status of each instance in an Auto Scaling group.
  9. Hive An open source, data warehouse and analytic package that runs on top of Hadoop.
  10. Homeostasis (HOH-mee-oh-STAY-sis) A state of balance among all the body systems needed for the body to survive and function correctly.
  11. Horizontal Scaling See Scale Out
  12. host certificate An EEC belonging to a host. When using GSI this certificate is typically stored in /etc/grid-security/hostcert.pem.
  13. host credentials The combination of a host certificate and its corresponding private key.
  14. hosted zone A collection of resource record sets that Amazon Route 53 hosts. Like a traditional DNS zone file, a hosted zone represents a collection of records that…
  15. hosting environment See container.
  16. Hybrid Cloud A computing environment combining both private (internal) and public (external) cloud computing environments.