小懶蟲的blog~

Wednesday, October 30, 2013

Ganglia + RRDcached on CentOS 6

Ganglia的gmetad, 每次收集到資料之後, 就會把資料寫入RRD資料庫檔案, 給web介面去讀來畫圖.
但是當node的數量增加之後, 這種經常性大量檔案的小筆寫入, 就是磁碟最不拿手的事情...
所以會產生I/O瓶頸.

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Posted by Mike Chen at 1:57 AM No comments:
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