 29 Aug 2007, Konstantin Olchanski, Info, Added data compression to mlogger
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I now commited the changes to mlogger (mlogger.c, msystem.h) implementing data
compression using zlib (svn revision 3845)
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06 Sep 2007, Stefan Ritt, Info, Introduction of MIDAS_MAX_EVENT_SIZE
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We had the problem that different experiments used different MAX_EVENT_SIZE
values (the MEG experiment actually 10 MB!). If each experiment changes the
value in midas.h and accidentally commits it, other experiments are affected.
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02 Oct 2007, Konstantin Olchanski, Info, ROODY, ROOTANA updates
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The ROODY online histogram viewer and the ROOTANA midas analyzer toolkit have been updated to work
with ROOT version 5.16 and tested on Linux (SL4.4) and MacOS (10.4.10/PPC).
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 20 Nov 2007, Konstantin Olchanski, Info, mhdump: a standalone MIDAS history dump utility
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> > I hope people find this program useful. If you have any feedback (patches, bug
> > reports, requests for improvements), please post them as replies to this forum
> > message.
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27 Nov 2007, Stefan Ritt, Info, ODB links to array elements implemented
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In revision 4090 I implemented ODB links to individual array elements. Now you
can have for example:
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07 Jan 2008, Stefan Ritt, Info, Roll-back for history sytem added
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The midas history system always had the problem that the database can get
corrupted if the disk gets full where the history records (*.hst & *.idx) are
stored. This can happen if a history event can only be written partially on the
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05 Feb 2008, Stefan Ritt, Info, Implementation of relative paths in mhttpd
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A major change was made to mhttpd, changing all internal URLs to relative paths.
This allows proxy access to mhttpd via an apache server for example, which might
be needed to securely access an experiment from outside the lab through a
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05 Feb 2008, Denis Bilenko, Info, pymidas 0.6.0 released - python bindings for Midas
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Hi!
I have released pymidas - Python binding to Midas.
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13 Feb 2008, Konstantin Olchanski, Info, Implementation of relative paths in mhttpd
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> A major change was made to mhttpd, changing all internal URLs to relative paths.
> This allows proxy access to mhttpd via an apache server for example, which might
> be needed to securely access an experiment from outside the lab through a
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13 Feb 2008, Konstantin Olchanski, Info, Roll-back for history sytem added
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> The midas history system always had the problem that the database can get
> corrupted if the disk gets full where the history records (*.hst & *.idx) are
> stored.
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13 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
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I now merged almost all the mhttpd changes from CERN AD-5/ALPHA. Only the code
for mhttpd HTTP:// access control list remains unmerged.
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13 Feb 2008, Stefan Ritt, Info, Roll-back for history sytem added
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> But to make things more interesting we had another history outage this week - we
> happen to write history files to an NFS server (not recommened! do not do this!) and
> when the NFS server had a glitch, history files got corrupted - because during the
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14 Feb 2008, Stefan Ritt, Info, mhttpd history display updates
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You misspelled one ODB entry:
Line 9014:
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19 Feb 2008, Petr Nomokonov, Info, Frontend - Backend c onnection
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Backend computer with SLC4.4 Linux did'not work as mserver because some security
protection under iptables service (could not connect with frontend computers).
The connection established if to make ( under root ) iptables disable
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21 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
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> You misspelled one ODB entry:
> Line 9014:
> sprintf(str, "/History/Display/%s/Label", path);
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27 Feb 2008, Konstantin Olchanski, Info, CAMAC register_cnaf_callback() - removed from libmidas
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> > Affected files:
> > Makefile (add cnaf_callback.o)
> That's a good idea.
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23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
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The changes to mlogger implementing per-variable history have been committed to
svn. Revision 4145.
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23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
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> The changes to mlogger implementing per-variable history have been committed to
> svn. Revision 4145.
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23 Mar 2008, Konstantin Olchanski, Info, History SQL database poll: MySQL, PgSQL, ODBC?
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I would like to hear from potential users on which SQL database would be
preferable for storage of MIDAS history data.
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25 Mar 2008, Stefan Ritt, Info, Per-variable history implementation in the mlogger
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Before approving the code, two conditions have to be fulfilled:
1) The code has to work on PSI experiments
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