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FusionInsight HD 6.5.0 Product Description 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Storm

Storm

CQL

CQL is an SQL-like language used for real-time stream processing. Compared with SQL, CQL has introduced the concept of (time-sequencing) window, which allows data to be stored and processed in the memory. The CQL output is the computing results of data streams at specific time. The user of CQL accelerates service development, enables tasks to be easily submitted to the Storm platform for real-time processing, facilitates output of results, and allows tasks to be terminated at the appropriate time.

High Availability

The Nimbus HA mechanism ensures continuous service processing even if one Nimbus is faulty, improving the cluster availability.

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Updated: 2019-05-17

Document ID: EDOC1100074548

Views: 3040

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