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Task #17866

Evaluate dCache performance and understand scalability needs for usage

Added by Michael Kirby about 2 years ago. Updated 9 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
-
Target version:
Start date:
10/10/2017
Due date:
09/30/2018
% Done:

70%

Estimated time:
Duration: 356

Description

dCache has recently had several significant slowdowns as usage has increased. FIFE group and Data Storage Services should evaluate metrics for dCache performance and understand if there are needed changes in best practices. Potential modifications to gridftp/xrootd/WebDAV/etc.

History

#1 Updated by Tanya Levshina over 1 year ago

  • Status changed from New to Assigned
  • Assignee set to Michael Kirby
  • % Done changed from 0 to 70
  • Due date set to 09/30/2018

Some of the work has been done; best practices has been identified and several experiments are implemented them in their code:

move to xrootd and streaming
use stashcache off-site
pre-stage data
usage of resilient pools
etc

#2 Updated by Tanya Levshina 9 months ago

  • Status changed from Assigned to Closed

with the upgrade to 4.2 dcache performance has improved



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