Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Meeting Tango February 2004 - ESRF Archiving.

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Presentation transcript:

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Meeting Tango February ESRF Archiving

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Main Items Historical Archiving Snapshots

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Support of new types –Spectrum MySQL(classic insert) Oracle(classic insert) –Image MySQL(load data from file) Oracle(link towards a file)

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Configurations –Configuration 1(number) Number : 2500 = 5 x 20 x 25 Period : 10 seconds Duration : 0 seconds – database crashed… –Configuration 2(speed) Number : 105 = 7 x 3 x 5 Period : 1 seconds Duration : 15 hours –Configuration 3(stamina) Number : 105 = 7 x 3 x 5 Period : 10 seconds Duration : 100 hours

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Results Scalar : 100 scalars/sec = 2 Ko/sec Spectrum (256 values) : 100 spectrums/sec = 170 Ko/sec Image (501x501 = values) : 10 images/sec = 3 Mo/sec

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Remarks –The "Refresher" (Atk component) crashes down Cause : –Message while it is waking up Consequence : –All the attributes polled by this component are not any more. –No more filing for these attributes. Temporary solution : –One attribute per component !

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Remarks –The Dbt behaviour (problems) Cause : –DServer overload –DBT overload Consequence : –Communications problem between DServers –In all cases, Dbt is overloaded –… snowball phenomenon –… Dbt DServer crashes down !!

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Remarks –The Dbt behaviour (solution) Decrease the number of tangoTests (ORB capacity ?) –Decrease the number of Devices per DServer –Decrease the number of DServer per computer Limitation upon the links DataCollector / Dhdb (Collisions ?) –1 DataCollector linked to n Dhdbs –1 Dhdb is linked to 1 DataCollector No never refer to Dbt –Use of asynchronous mechanism –Problem : IOR lost !

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Benchmarks : Other Remarks Devices…Processor behaviourMemory behaviour … for filing.OK … tangoTest … tangoTest (modified) Overload OK Dbt.OK / OverloadOK

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Conclusion –Problems Communications problem essentially (collision ?, ORB capacity ?) –Remain to do Addition of supplementary modes and / or Migration towards the « events » Tool to show the data

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Documentation –Whole second reading and corrections –Translation in English –Remarks : Problems during the load of a source code with Pogo (Use of the tabulations as marks…)

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Filing package –Purpose : Tests on the Lucia beamline (Swiss) –Included : Script to install the HDB database (MySQL only) … Script to launch the devices

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Historical Archiving Source Forge –All the source code were transferred on CVS cs/tango/api/java/fr/soleil/TangoHdb/ cs/tango/api/java/fr/soleil/TangoHdb/

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Snapshots Three parts –Database (Structure and tables)done –Context part Messagesdone Actions done GUIIn progress –Snapshots part MessagesIn progress Actions In progress GUIIn progress

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Snapshots Interface used to create a new context

Archivage « Contrôle Machine » Groupe Gestion de Données 26 January 2014 Whats new : Snapshots Interface used to create a new snapshot