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Seems something is strange with this particular file,

Analyzing with lcio C++ API, I also get only 39 events from this file.

My event loop is following
"while( (ev = lcReader->readNextEvent()) != 0)"

so it returns 0 after 39-th event.

dumping events from this file with dumpevent command
it is fine up to 39, but on event 40 or 41 it says
Konsole output
-bash-4.1$ dumpevent hps_007983.110_recon_R3.9.slcio 40
less than 40  events in  file hps_007983.110_recon_R3.9.slcio

But then on event 42 it shows the event, however the 40 and 41,
are not only events with these behavior, there are many in this file.

So I guess dstmaker is also looping similarly as "ev = 
lcReader->readNextEvent()) != 0",
therefore it also shows 39 events only.

Rafo


On 02/06/2016 19:37, Nathan Baltzell wrote:
> I checked and those are "FADCGenericHits" and "RFHits", which are
> both just RF.  The first is the full waveform, the second just the
> extracted time.
>
> Maybe no beam and so just pulser triggers with the occaisonal ecal
> hits making a cluster.
>
> But a few seconds to scan through all collections' sizes in a 6 GB
> lcio file is way too small.
>
> -Nathan
>
>
> On Jun 2, 2016, at 6:50 PM, Omar Moreno <[log in to unmask]> wrote:
>
>> Hi Rafo,
>>
>>
>> Looking through the first 100 events of the LCIO file, it seems to only contain events with RF hits and FADCHits. The rest of the collections are empty.  If there are no Ecal clusters, at the moment, the DST maker just skips the event.
>>
>>
>> --Omar
>>
>> On Thu, Jun 2, 2016 at 10:36 AM, Rafayel Paremuzyan <[log in to unmask]> wrote:
>> Hi,
>>
>> in tpass0, all recon lcio files seem normal in terms of size,
>> but one particular file hps_007983.110_dst_R3.9.root has only 39 events, while corresponding lcio has 502K events.
>>
>>    Running interactively dstmaker at JLab didn'g give any error, just run only 39 evets
>>
>> hps@ifarm1101> /u/group/hps/hps_soft/hps-dst/build/bin/dst_maker hps_007983.110_recon_R3.9.slcio -o hps_007983.110_recon_R3.9.root
>> [ DST MAKER ]: Setting DST file name to hps_007983.110_recon_R3.9.root
>> Finished writing 39 events to ROOT Tree!
>> Total run time: 0.16 s
>>
>> Can one of experts look into this?
>> The whole path of lcio file is
>> /work/hallb/hps/data/physrun2016/tpass0/recon/hps_007983.110_recon_R3.9.slcio
>>
>> Rafo
>>
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