# Ceph需要大量記憶體

ceph-osd程序在執行過程中會消耗CPU資源，所以一般會為每一個ceph-osd程序繫結一個CPU核上。

ceph-mon程序並不十分消耗CPU資源，所以不必為ceph-mon程序預留過多的CPU資源。

ceph-msd也是非常消耗CPU資源的，所以需要提供更多的CPU資源。

ceph-mon和ceph-mds需要2G記憶體，每個ceph-osd程序需要1G記憶體，2G更好。


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