Database evolution on the timescale of the SL3/Phase-II Upgrade
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Database evolution on the timescale of the SL3/Phase-II Upgrade Elizabeth Gallas – Oxford . ATLAS Computing Upgrade Editorial Workshop July 23-24, 2012
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Database evolution on the timescale of the SL3/Phase-II Upgrade. Elizabeth Gallas – Oxford . ATLAS Computing Upgrade Editorial Workshop July 23-24, 2012. Apologies and caveats. Some statements here reflect preliminary discussions with current database coordinators and DBAs. - PowerPoint PPT Presentation
Transcript of Database evolution on the timescale of the SL3/Phase-II Upgrade
Database evolution onthe timescale of the
SL3/Phase-II Upgrade
Elizabeth Gallas – Oxford
.
ATLAS Computing Upgrade
Editorial WorkshopJuly 23-24, 2012
July 2012 E.Gallas - DBs in Upgrade 2
Apologies and caveatsSome statements here reflect preliminary discussions with current database
coordinators and DBAs.
Some opinions expressed are my own … may evolve after discussions here and in the coming weeks.
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Database
File based data (Events):RAWESDAODTAG
(and their decendents)
Elizabeth’s view of ATLAS data:
July 2012 E.Gallas - DBs in Upgrade 3
PVSS: sliding windowAs agreed many moons ago: we guarantee to house at least the last 12 months
of PVSS data online – “sliding window” All PVSS data is maintained offline Its time to slide the window forward:
Benefits: Reduces volume in ATONR (PVSS DB size < 3TB) Faster recovery in case of problems
Wednesday 27-June as of 14:00ATONR: deletion of PVSS data older than 12 months
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