[Halld-offline] HDEVIO beta testing

[David Lawrence]

Thanks Richard. That’s great to hear! I’ll keep my fingers crossed that the results
are good as well!

Regards,
-David

On Dec 11, 2014, at 7:24 PM, Richard Jones <richard.t.jones at uconn.edu> wrote:

> Hello David,
> 
> Bravo, it is working for me! No crashes after running on hundreds of files since I implemented your fix, including old ones that I had marked as bad. Of course I haven't looked at the results yet... but all evidence so far indicates that the fix is effective for the problems I was seeing.
> 
> -Richard J.
> 
> On Thu, Dec 11, 2014 at 12:04 PM, David Lawrence <davidl at jlab.org> wrote:
> Hi Offliners,
> 
>   I have checked in some changes to the DAQ plugin that implement an alternative for reading in the EVIO
> files. This addresses some of the corruption issues we’ve been seeing, particularly with data taken after
> the Thanksgiving break. The new code implements error recovery so that it can skip past bad areas it
> detects within the file. It also allows use to reallocate user buffers if it runs across a large event (this
> was the problem forcing to allocate 20MB buffers.)
> 
>   Testing of this has been *extremely* limited up to now so it is still not the default. Early adopters who want
> to help with beta testing can enable it by setting  the #define of USE_HDEVIO at the top of the
> DAQ/JEventSource_EVIO.cc file to 1 instead of zero and recompiling.
> 
> For those brave souls willing to test this out, please send me any feedback. Particularly if you
> come across a file that causes a crash.
> 
> Regards,
> -David
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