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bigalloc

bigalloc

Posted Nov 30, 2011 14:34 UTC (Wed) by Seegras (subscriber, #20463)
In reply to: bigalloc by tialaramex
Parent article: Improving ext4: bigalloc, inline data, and metadata checksums

> But if bigalloc clusters mean the unit of caching is larger, it seems like
> bad news for us.

You're not supposed to make filesystems with bigalloc clusters if you don't want them or if it hampers your performance.


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bigalloc

Posted Nov 30, 2011 18:22 UTC (Wed) by tialaramex (subscriber, #21167) [Link]

Ah, OK, I somehow got the idea this was the unavoidable future, rather than another option. Nothing to worry about then. Thanks for pointing that out.

bigalloc

Posted Nov 30, 2011 19:19 UTC (Wed) by jimparis (subscriber, #38647) [Link]

It also seems that you might not want to use a filesystem at all for that type of application, but instead just mmap a block device directly.

bigalloc

Posted Jun 14, 2012 14:19 UTC (Thu) by Klavs (subscriber, #10563) [Link]

like varnish does :)

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