Re: Slow tar

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On Wed, 9 May 2007, Kadlecsik Jozsi wrote:

> We have been testing GFS over AoE (over Gb Ethernet) and in our last test 
> what we tried is to untar a 38GB file with 150000 files. The process was 
> started two days ago and it still hasn't completed. We see that it 
> proceeds in creating the new files and directories, but this seems to be 
> way too slow.

It seems we hit a hardware/driver problem related to the jumbo frame 
setting. Leaving out GFS, the access to the AoE device is slow from two 
machines using Intel 82541GI/PI cards and jumbo frames. With MTU set to 
1500, the read/write performance is normal.

Best regards,
Jozsef
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