zfs streamed reading issues

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nokeabue

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Apr 8, 2013
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noticeable zfs module slowdowns currently running FN 8.3.1 release.

* not reliably getting enough zfs performance using nfs 8kbps writing 11kbps reading. should i tune nfs or zfs directly?
* CIFS runs slightly faster no matter what.
* during streaming and dirwalking simultaneously, extraneous zfs loop streaming. zfs loops doing nothing for several seconds then starts streaming again ok. rare yet common.
* no hardware related issues
* nfs intr, soft, wsize, rsize tunning seems not to improve anything for Linux nfs clients. almost unusable.
* freebsd nfs clients run way faster but still below 11kbps limit
* no verbosity while mounting after a shutdown
* not a single data errors so far moving 1T back and forth. [good]
* some UTF-8 filenames are chopped during CIFS or NFS mv. could it be only CIFS probably?
 

gpsguy

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Jan 22, 2012
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What does section 1.4.2 of the manual say?
 

nokeabue

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Apr 8, 2013
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yep. upgrade first then complain. thanks indeed.
 

cyberjock

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Mar 25, 2012
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