IceCube Offline Database Overview Georges Kohnen Université de Mons-Hainaut IceCube Workshops Oxford September 23rd, 2005

Today’s ride… Introduction Database contents Filling the Database, now and in the future Reading from the Database, interaction with offline-software YOU can do it – practical information IceCube Offline Database Overwiew – Oxford – September 23rd,

Introduction MySQL Database, “I3OmDb” Contains / will contain all the non-physics information needed by offline-software, on the SouthPole, on a cluster or on your laptop: –Detector Geometry / Calibration / Status / Run / Monitoring / Trigger… information –Ice Properties –AMANDA information –Different “lookup” tables IceCube Offline Database Overwiew – Oxford – September 23rd,

Introduction The stored information is time-based Records are “stacked” on each other Example: Geometry IceCube Offline Database Overwiew – Oxford – September 23rd, Time Planned Geometry, whole detector Drilling: only string 21 Better calibrations: only string 21 Drilling: lots of strings 01/200401/200501/2006 “Qualifier” Drilling01/2006 Corr02/2005 Drilling01/2005 Initial

Geometry tables IceCube Offline Database Overwiew – Oxford – September 23rd, AMANDA Geometry Planned geometry (IceCube + IceTop) Drilling/Installation (string 21 and stations 21, 29, 30 and 39) Corrections to these coordinates (from Kurt) (= most “real” geometry presently available)

IceTop tables IceCube Offline Database Overwiew – Oxford – September 23rd,

AMANDA tables IceCube Offline Database Overwiew – Oxford – September 23rd, Contents of “old” AMANDA omdb used by Sieglinde

Charge (Calibration) tables IceCube Offline Database Overwiew – Oxford – September 23rd, from domcal.xml files

DOM Configuration table IceCube Offline Database Overwiew – Oxford – September 23rd,

DOM Configuration table There are 64 variables in this table: for 5000 DOMs and 1 run = 1 day, there are 117 million entries for just one year → waaaaaay too much! → Split this table up according to the frequency at which the variables change (once a run, once a year,…) This is one of the cases where input / documentation / coordination is urgently needed! IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 A

DOM Monitoring table IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 B from Ignacio’s Monitoring files

Trigger tables IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 C Different design: triggers do not all have the same parameters Not filled yet

“Lookup” tables IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 D OMId ↔ (string,tube) for AMANDA DOM Serial number ↔ DOM location (string,tube) DOM Serial number ↔ DOM name/nickname RunId ↔ Run start date/time

Independent tables IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 E IceProperties: Effective Scattering length and Absorption length for different wavelengths (in 10 nm bins), for cos θ = 0.80 and 0.94, and for different depths: Z in 10 m bins (X and Y not (yet) available)

Filling the Database Until now: filled from (text/.xml) files, database created from scratch each time From this Pole season on: automatic update of Detector Calibration from DAQ for online use Then, regular synchronization of SouthPole I3OmDb with a reference Database in the northern hemisphere, and overall synchronization with this reference DB IceCube Offline Database Overwiew – Oxford – September 23rd, 2005 F

Using the I3OmDb Database at SouthPole IceCube Offline Database Overwiew – Oxford – September 23rd, DAQ Offline chain of modules SouthPole version SouthPole I3OmDb fill calibration information Source modules Other modules … Reference I3OmDb I3Db modules

Using the Database in offline-software I3Db project in offline-software: new design: not one monolithic piece of code anymore, but –one module for each stream (geometry, calibration,…) –one database service, responsible for connecting to the Database, retrieving/caching the data,… IceProperties / … are currently not used in offline-software, thus I3Db does not retrieve this information (yet) IceCube Offline Database Overwiew – Oxford – September 23rd, I3OmDb Source modules Other modules … I3Db modules Physics input I3Db retrieves the information according to the date of the event Offline chain of modules

YOU can do it - Practical Information Primary Database server: icedb.umh.ac.be (containing this talk, information about the content, about the I3Db module and (soon) about how to set up your local copy of the Database) Secondary Database Server: ppemons.umh.ac.be Database Name: "I3OmDb" Read-only login: username "www“ (> mysql -h "server" -u www) Recommended tools: –MySql Query Browser –MySql Control Center New I3Db module ready soon! IceCube Offline Database Overwiew – Oxford – September 23rd,

This is the end Questions? Comments? (The design will soon be considered “frozen” for the pole season)!!!! Blame? Praise? Gifts? Free drinks? …? IceCube Offline Database Overwiew – Oxford – September 23rd,