Computing Cluster | 運算叢集

  • 運算叢集是什麼?
    運算叢集是互相通聯、共同執行任務的數台電腦,可視作單一作業系統,但效能、可用性及成本效益皆優於同等級的大型電腦。有別於網格計算(Grid Computing)中各台電腦處理不同工作,運算叢集集結每台電腦的運算資源、共同達成單一目標。

    叢集中每台電腦稱作「節點」(node),可使用消費電子規格的個人電腦,亦可使用專精的商務解決方案。叢集效能取決於節點數量;而節點的功效,取決於其中的處理器數量,及處理器內核心和執行緒數的數量。

    一般來說,一個節點扮演叢集「控制節點」或「首節點」的角色,用戶透過其操作整個叢集,其餘節點稱為「運算節點」。全部節點皆透過高速網路互相通聯,並使用叢集管理軟體協調和安排工作負載。

  • 為何需要?
    建立運算叢集是邁向高效能運算(HPC)、高可用性(HA)、及負載平衡的重大一步。使用叢集有許多優點,包含更快的運算速度;更大的儲存容量;更好的資汛安全、可擴充性及成本效益,不論是公部門或私部門,都可使用叢集提升生產力。

    公部門:世界各地政府機構皆架設專屬的運算叢集,藉此升級服務,尤其使用於攸關大眾安全與福祉的事務。比方說,用電腦模擬改善氣象預報精準度與救災程序;分析基因組學加強防疫工作;或是監督高速公路上交通流量,確保返鄉過節期間,大家都能快點平安到家。

    私部門:運算叢集為企業開發無限商機,範例包括:改善能源產業勘探效率;加強金融業資訊安全與獲利能力;使娛樂業的特效和演出更有創意。運算叢集便於垂直擴充水平擴充,因此小公司剛開始時可建立小規模運算叢集,等到事業蒸蒸日上,再擴充叢集。

  • 技嘉的特色
    技嘉伺服器適用於運算叢集的首節點或運算節點,依照使用者需求搭配。H系列高密度伺服器G系列GPU協同運算伺服器適合當作首節點,因為具備領先業界的超高密度結構設計、龐大的儲存容量及效能強大的Intel® Xeon®或AMD EPYC™處理器。W系列工作站適合扮演運算節點的角色,因為具備獨立機殼,方便客戶依照需求的變化而擴充或是客製化。機架式伺服器適於承擔關鍵工作負載,技嘉提供從1U到5U規格的多種選擇。伺服器之間可透過Ethernet、Infiniband或Omni-Path等網路架構互相通聯。

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