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ID Date Icon Author Author Email Category OS ELOG Versiondown Subject
  68686   Fri Sep 15 00:56:38 2017 Question Alan Grantagrant@winnipeg.caQuestionLinux3.1.2Elog System Requirements

In response to an elog-hang issue I've been having on the Windows platform, I am building a new Unbuntu 14 TLS VM machine to host the identical configuration so that I can more easily debug when the hang happens again. I don't mind beefing up the hardware resources to either eliminiate that as a factor or resolve the problem. I'll have a higher end CPU to deal with 20 to 50 clients doing searches through the data (since the elog configuration currently does not provide a setting to limit how far back it can search with Quick Filters - pretty please add this basic setting!), but the main question I have now is what is a good amount of memory to add to the VM? I suspect even with 30 concurrent searches going CPU power will have more impact than memory in the case of elog. Can someone please confirm my suspicion and also recommend a suitable amount of memory I should install? My data volume is about 25 MB, all textual (no attachmemts), and the number of daily files goes back about 5 years. Any other tips for the build is very welcome.

  68687   Fri Sep 15 15:16:42 2017 Reply Andreas Luedekeandreas.luedeke@psi.chQuestionLinux3.1.2Re: Elog System Requirements

Hi Alan,

we run our ELOG server (38 GB Logbook data in about 50 logbooks dating back up to 16 years) on a virtual Linux box.
The memory is important, since ELOG scans through all entries and creates an index at start-up. But we have only about 6% used out of 2GB: ELOG is not very demanding. If you have many and large pictures attached, then "convert" needs a bit of memory to work with.
Since "elogd" is a single task, you will not gain much from many CPUs. File IO is often a limiting factor: we've tried a while to run the logbook data on an AFS directory, and that did not turn out well. A local disk is best, an NFS disk works fine as well (in our case).

Cheers, Andreas

Alan Grant wrote:

In response to an elog-hang issue I've been having on the Windows platform, I am building a new Unbuntu 14 TLS VM machine to host the identical configuration so that I can more easily debug when the hang happens again. I don't mind beefing up the hardware resources to either eliminiate that as a factor or resolve the problem. I'll have a higher end CPU to deal with 20 to 50 clients doing searches through the data (since the elog configuration currently does not provide a setting to limit how far back it can search with Quick Filters - pretty please add this basic setting!), but the main question I have now is what is a good amount of memory to add to the VM? I suspect even with 30 concurrent searches going CPU power will have more impact than memory in the case of elog. Can someone please confirm my suspicion and also recommend a suitable amount of memory I should install? My data volume is about 25 MB, all textual (no attachmemts), and the number of daily files goes back about 5 years. Any other tips for the build is very welcome.

 

  68717   Mon Jan 15 16:46:58 2018 Entry Alan Grantagrant@winnipeg.caRequestWindows3.1.2Drop down order

Can you please make a change to have the Quick Filter ComboBox controls reference the field type for ordering purposes?

For example, if attribute Lot Number is Type Numeric then the ComboBox should be listed in numerical order instead of alphanumeric (eg: 1,2,3,11,21 vs 1,11,2,21,3).

Best Regards.

  68718   Tue Jan 16 09:30:55 2018 Question markusmarkus.ries@helmholtz-berlin.deQuestionLinux3.1.2Is there a python3 api to generate logbook entries from python?

Dear elog community,

I wonder whether there is a python3 api or lib to generate and append entries (and attachments) to the logbook using scripts.
However, so far I did not find anything...

At the moment I am thinking about wrapping the "elog" command line tool.

Is there something usable already out there?

Thanks and regards
Markus

  68719   Tue Jan 16 09:46:04 2018 Reply Stefan Rittstefan.ritt@psi.chQuestionLinux3.1.2Re: Is there a python3 api to generate logbook entries from python?

There are two options

  • Wrap the "elog" command line tool 
  • Use "curl". Ther is a PycURL library http://pycurl.io/docs/latest/ which can be used, so you don't have to call any command line tool. The usage of curl is described in elog:68597

Stefan

markus wrote:

Dear elog community,

I wonder whether there is a python3 api or lib to generate and append entries (and attachments) to the logbook using scripts.
However, so far I did not find anything...

At the moment I am thinking about wrapping the "elog" command line tool.

Is there something usable already out there?

Thanks and regards
Markus

 

  68720   Tue Jan 16 10:13:00 2018 Reply Andreas Luedekeandreas.luedeke@psi.chQuestionLinux3.1.2Re: Is there a python3 api to generate logbook entries from python?

Have a look here: https://github.com/paulscherrerinstitute/py_elog

I haven't tried it myself, but it should allow you to add, reply, edit, delete elog entries from python (>= 3.5) via the http elog interface. It's an anaconda package.

markus wrote:

Dear elog community,

I wonder whether there is a python3 api or lib to generate and append entries (and attachments) to the logbook using scripts.
However, so far I did not find anything...

At the moment I am thinking about wrapping the "elog" command line tool.

Is there something usable already out there?

Thanks and regards
Markus

 

  68723   Wed Jan 24 07:54:47 2018 Reply markusmarkus.ries@helmholtz-berlin.deQuestionLinux3.1.2Re: Is there a python3 api to generate logbook entries from python?

Thanks Andreas!
This is more or less exactly what I was looking for...

Regards
Markus

Andreas Luedeke wrote:

Have a look here: https://github.com/paulscherrerinstitute/py_elog

I haven't tried it myself, but it should allow you to add, reply, edit, delete elog entries from python (>= 3.5) via the http elog interface. It's an anaconda package.

markus wrote:

Dear elog community,

I wonder whether there is a python3 api or lib to generate and append entries (and attachments) to the logbook using scripts.
However, so far I did not find anything...

At the moment I am thinking about wrapping the "elog" command line tool.

Is there something usable already out there?

Thanks and regards
Markus

 

 

  68772   Mon Apr 2 23:31:51 2018 Question Michael Hibbardmichael.hibbard@cern.chQuestionWindows3.1.2Create past Elog entry.

Hello, Sorry if this has been addressed elsewhere, but I could not find info.

I am wanting to submit a new elog entry (that should have been) for a past date, to predate log entrys currently in my system.

I assume I must manually create a new .log file. What ID# should I assign to this entry? Should I sub-increment (i.e 33.1)? I presume the correct thing to to would be to automate ID# increments in all sucessive logs with a script (python).

Please advise.

Thank you,

-Michael Hibbard

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