A:
The lack of scalability is an issue in the current CAS market. Improving performance or capacity is difficult and often requires unloading and reloading information. In some cases, growing the application involves scrapping the current system and purchasing, configuring, loading and testing a new one. To us at Caringo, this is unacceptable.
To Caringo, a true massively parallel architecture means delivering transparent scalability, both upwards and downwards — scale performance and capacity by adding or removing disks, nodes or memory. Heterogeneous nodes can be used in the same network to fine-tune cluster performance and capacity and to take advantage over time of newly evolving systems without the need to retire previous investments. The best part about all this is that you can add a node (or nodes) while the system is up and running. We call this 'hot scalability'. Your CAStor system need not be taken down or even acquiesced. Boot up another node, and the system will absorb it in real time.
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