2024-06-27 Meeting Notes

Operational Issues
Gateways and WNs:
- Current status and upcoming changes

@Thomas, Jyothish (STFC,RAL,SC)

it all works now!

https://github.com/stfc/xrootd/pull/14

memory allocation fixed for weighted round robin, pagedIO temporarily disabled

https://github.com/xrootd/xrootd/issues/2287

Rocky 8 and 9 migration planning

complete

CMSD Load balancing

@Thomas Byrne @Thomas, Jyothish (STFC,RAL,SC)

PR:
https://github.com/stfc/xrootd/pull/14

Gateway Auth failures

@Thomas, Jyothish (STFC,RAL,SC)

still ongoing with lower frequency, but mitigation check with autorestart enabled

CHEP Abstract ideas

@Thomas, Jyothish (STFC,RAL,SC)

XrootD Workshop plan

@Alastair Dewhurst

Shoveller

@Katy Ellis

Shoveler installation and monitoring

Future developments ideas planning work

@Ian Johnson @Thomas, Jyothish (STFC,RAL,SC)

Notes from planning meeting 22-04-2024

Deletion studies through RDR

@Ian Johnson

Deletions

https://stfc.atlassian.net/browse/XRD-83

Planning for ALICE CMSD redirection

@Thomas, Jyothish (STFC,RAL,SC)

no updates

Checksums fixes

@Alexander Rogovskiy @Thomas, Jyothish (STFC,RAL,SC)

WNs are currently redirecting checksums to external gws

Prefetch studies and WN changes

@Alexander Rogovskiy

ipv6 DNS poisoning rolled out

nullfs testing for xcache hit rate - full scale test on WN TBD

Vector read tests preliminary results:

Tokens Status

@Thomas, Jyothish (STFC,RAL,SC) @Katy Ellis

SKA Gateway box

@James Walder

https://stfc.atlassian.net/wiki/spaces/UK/pages/215941180

gws in a working state, aq config port pending

Xrootd testing framework

@Mariam Demir