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Re: [Swift] Cache pressure tuning

 

Check the slab usage of xfs_* might help .

$ sudo slabtop

Hope it help

從我的 iPhone 傳送

Jonathan Lu <jojokururu@xxxxxxxxx> 於 2013/6/17 下午3:25 寫道:

> Hi, all, 
>     I'm facing the issue about the performance degradation, and once I glanced that changing the value in /proc/sys/vm/vfs_cache_pressure will do a favour. 
> 
>     Can anyone explain to me whether and why it is useful? I have scanned the Deployment Guide of OpenStack Swift but cannot find anything about such tuning. 
> 
> Thanks, 
> Jonathan Lu
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