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Re: [PATCH 5.1] zread: read files in 4k chunks
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From: |
Chet Ramey |
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Subject: |
Re: [PATCH 5.1] zread: read files in 4k chunks |
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Date: |
Mon, 22 Jun 2020 12:35:10 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 |
On 6/22/20 1:53 AM, Jason A. Donenfeld wrote:
> Currently a static sized buffer is used for reading files. At the moment
> it is extremely small, making parsing of large files extremely slow.
> Increase this to 4k for improved performance.
I bumped it up to 1024 initially for testing.
> This also allows reading
> files like /dev/kmsg on Linux, which will error if the read buffer is
> too small.
What is the minimum size for those reads?
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/