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Tag: Exadata evolution

  • History Of Exadata

    Exadata was first launched in the year 2008 and it was names
    as Exadata V1. Since then Exadata has undergone many significant changes.
    In this article I will give a quick overview of Exadata
    history and changes made in each of the model.
    •        
    V1
    –     First
    Exadata model released in 2008
    –     It
    was a combination of HP hardware + Oracle Software
    –     Exclusively
    for Data Warehouse workload
    –     There
    were too many hardware failures noticed in this model
    –     Working
    with Hardware issues was not easy as it involved multiple vendors
    –     There
    was no Flash in this version
    –     Major
    problem with V1 was the cabinet gets overheated. You can fry Eggs on the
    cabinetJ

    •        
    V2
    –     V2
    was released in 2009
    –     Combination
    of Sun hardware and Oracle Software
    –     Flash
    Cache was introduced for the first time in V2
    –     Caches
    data intelligently on Flash Cache
    –     Faster
    components and used solid state disks
    –     More
    than just Data Warehouse

        •        
    X2
    –     X2
    is the third version of Exadata and it was released in 2010
    –     This
    time the naming changed to X series
    –     Introduced
    two variants X2-2 and X2-8
    –     Introduced
    Exadata Storage Expansion for addition storage capacity
    –     Faster
    components and increased capacity (CPU, memory and disk)

    •        
    X3
    –     X3
    was released in 2012
    –     Named
    as “In-Memory Database machines”
    –     Introduced
    Exadata Eight Rack configuration
    –     Increased
    Flash cache
    –     Introduced
    write back flash cache
    –     Faster
    components and increased capacity
    –     Increased
    High Capacity disk Size from 2TB to 3TB
    –     Introduced
    new Software feature Write-Back Flash Cache

    •        
    X4
    –     It
    was released in 2013
    –     Introduced
    Xeon processors
    –     Physical
    memory can be expanded up to 512GB on Compute nodes
    –     Doubled
    Flash Cache
    –     Increased
    High Performance disk size from 600GB to 1.2TB
    –     Increased
    High Capacity disk size from 3TB to 4TB
    –     Introduced
    Active/Active Infiniband network connection
      
    •        
    X5
    –     It
    was released in 2015
    –     Uses
    2-socket CPU
    –     Physical
    memory can be expanded up to 768GB on Compute nodes
    –     Introduced
    OVM
    –     Introduced
    Extreme Flash Cache servers
    –     Introduced
    Elastic Exadata configuration
    –     High
    performance disk are removed in favor of Extreme Flash Cache servers
    –     Doubled
    flash cache and used NVMe

    •        
    X6
    –     X6
    was released in 2016
    –     Increase
    Flash cache
    –     Faster
    components and increased capacity
    –     Also
    available in Public Cloud
    –     Ideal
    for DBaas

    The diagram below gives you an overview of the Exadata hardware evolution.


    Conclusion

    In this article we have learned the history of Exadata. We
    have seen how Exadata has undergone significant changes since it’s launched in
    the year 2008.