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Katarzyna Dziedziniewicz-Wójcik, IT-DB

CASTOR databases overview. Katarzyna Dziedziniewicz-Wójcik, IT-DB. Agenda . Performance overview Migration status & plans Q & A. CASTOR databases overview - 2. Performance. Performance satisfactory and stable Nameserver. CASTOR databases overview - 3. Stager performance. PUBLIC.

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Katarzyna Dziedziniewicz-Wójcik, IT-DB

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  1. CASTOR databases overview Katarzyna Dziedziniewicz-Wójcik, IT-DB

  2. Agenda • Performance overview • Migration status & plans • Q & A CASTOR databases overview - 2

  3. Performance • Performance satisfactory and stable • Nameserver CASTOR databases overview - 3

  4. Stager performance PUBLIC ATLAS CASTOR databases overview - 4

  5. SRM performance CMS LHCB CASTOR databases overview - 5

  6. DLF Performance PUBLIC ATLAS CASTOR databases overview - 6

  7. Upgrade status and plans • Upgrade to 10.2.0.5 • DLF and PPS databases already upgraded • SRM and Stager databases to be upgraded when Heavy Ions run is finished (December) • Nameserver database to be upgraded during January technical stop • Standard optimizer & statistics gathering to be stress-tested to review the possibility of removing hints CASTOR databases overview - 7

  8. New hardware plans • SRM, Stager and DLF databases are to be migrated and consolidated • Where: Gen3 machines: 48GBs RAM Intel Xeon 8 * 2.27 GHz • When: January/February • Possible consolidation plans • By experiment – 3 node cluster containing STAGER, SRM and DLF • By DB type – separate clusters for SRM/Stagers and DLFs CASTOR databases overview - 8

  9. Q & A CASTOR databases overview - 9

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