Archiving System News

1
Archiving System News
2
Plan

• Collaboration Status
• Elettra Alba Soleil
• New delivery structure
• Some news about Mambo

3
Archiving Collaboration - Historic

• November 2006 Giacomo (Elettra) came at Soleil
• How to introduce events in the HDB Archiving
  Service ?

• Giacomo Events introduction in HDB archiver
  devices
• At first in a non official release
• ? Slides presented by Giacomo during previous
  Tango Meetings

• Sandra Code merging in the official release

• October 2007 Meeting at Soleil (Majid, Sandra)
  with Giacomo (Elettra) and Sergi (Alba)

4
Archiving Collaboration Last meeting

• System deployment at Soleil
• Currently for the machine control (Oracle DB)
• 5500 archived attributes in HDB
• 4300 archived attributes in TDB

• Focus on the most critical issues
• Database administration
• Devices deployment architecture
• Work load

5
Archiving Collaboration Last meeting

• Discussions about events in HDB service
• Transparency of events usage to the users
• Only one archiving configuration tool Mambo
• Exactly the same functionalities in the two modes
• Mode switching configurable
• Code refactoring
• Software design document

6
Archiving Collaboration Last meeting

• Databases discussions
• Current installation
• At Soleil Oracle for the machine MySql for
  the beamlines
• Elettra MySql
• Alba MySql
• Known issues the milliseconds are not supported
  by MySql
• Java api code Refactoring
• Performance and load testing on MySql database
• Tests performed at Alba for
• 6000 attributes in an historical and temporary
  databases
• Re-connection to MySql DB
• Now done with a connections pool

7
Archiving Collaboration Last meeting

• Various points
• Define an archiving projet in the bug tracking of
  SourceForge.
• Smaller extraction period (10 min or 30 minutes)
  - Mambo
• Mambo VC panel beanification
• Plotting in Mambo main view (see next slides)

8
Collaboration Last meeting

• Tasks assignment
• The Events is managed by Elettra (Giacomo)
• The Archiving Service with MySql DB is managed by
  Alba (Sergi)
• The data base api code reviewed by Soleil to
  facilitate the Alba task
• Soleil (Sandra) manages Polling, Oracle DB and
  Integration task

9
New delivery structure

• Old organisation for HDB / TDB / Snap Archiving
  Services

Database Access
archivingApi
archivingTools
archivingServers
GUI applications
Devices Servers
10
New delivery structure

• New organisation for HDB / TDB / Snap Archiving
  Services

commonArchivingApi
Database Access
hdbtdbArchivingApi
snapArchivingApi
bensikinGUI
mamboGUI
hdbtdbArchivingServers
snapArchivingServers
Hdb/Tdb Services
Snap Service
11
Mambo news

• View configuration modification

12
Mambo news

• Future modifications
• Display two VCs simultaneously
• Open a VC as a bean
• Code optimisation for Tango Web Access