2023-02-09 Meeting Notes

Release of 5.5.2

xrootd/docs/ReleaseNotes.txt at v5.5.2 · xrootd/xrootd

5.5.2 external checksums broken ?
WebDav: Invalid server checksum answer (5.5.2) · Issue #1901 · xrootd/xrootd

from code change:
XrdOucTUtils::splitString(checksumIdName,*configChecksumItor,":");
selectedChecksum = checksumIdName[1];
}

--> script should return <checksum name>:<checksum value>
or a comma-separated list of the above for multiple

Digest: adler32=f08fab4f is expected, according to
500 Internal Server Error on unknown checksum algorithm · Issue #1707 · xrootd/xrootd

Status of vector read activities

@Alexander Rogovskiy

original patching did not resolve the issue completely (low stats to confirm any significant improvement).

Tom notes that ceph cluster should have appropriate tunings

simultaneous file reads issue

JW

https://stfc.atlassian.net/browse/XRD-54

Branch tested at Glasgow:
Buffered io multibuffers by snafus · Pull Request #38 · stfc/xrootd-ceph

(Just need to add some protection against over-zealous numbers of simultaneous accesses).

Status of space reporting and tests on Alice dev gateway

https://stfc.atlassian.net/browse/XRD-21

Host certs for dev:
https://helpdesk.gridpp.rl.ac.uk/Ticket/Display.html?id=480402

CMSD status

https://stfc.atlassian.net/browse/XRD-41

https://helpdesk.gridpp.rl.ac.uk/Ticket/Display.html?id=478561

Will create on VMWare:
echo-manager01.gridpp.rl.ac.uk   130.246.182.68
echo-manager02.gridpp.rl.ac.uk   130.246.182.69

4 CPUs
8GB RAM
60GB disk