Re: performance/writebehind behavior

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On 28/07/14 18:05, Anand Avati wrote:
Whether flush-behind is enabled or not, close() will guarantee all
previous write()s on that fd have been acknowledged by server.

Thanks Anand. So can you explain why the 'wc' in my example doesn't see all of the data written by the dd?

            $ dd if=/dev/zero of=/shared/vod/zero bs=1024 count=1000; wc -c
            /shared/vod/zero
            1000+0 records in
            1000+0 records out
            1024000 bytes (1.0 MB) copied, 0.133975 s, 7.6 MB/s
            1016832 /shared/vod/zero


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