Attendees
- Brian
- Derek
- Ilija
- John
- Manjari
- Petya
- Shawn
- Soundar
Presentations from team members
Collection of presentations
- Systems Developer working with Shawn at Univ. of Michigan, 20% on SAND
- Collecting network port data from ESNet REST APIs and sending to OSG RabbitMQ bus
- PhD student at Univ. of Plovdiv
- Working on data cleanup, analysis, visualization, and anomaly detection
- Goal is to create alarm tables showing the most significant problems in the network or infrastructure
- Undergraduate student at Univ. of Michigan
- Working on analysis of traceroute paths, determining if paths are symmetric between pairs of hosts
- Repository
Ongoing topics
Sending HTCondor data to both ES instances
- Chicago ES is newer, and plans to use newer features (ILM)
- This incompatible with ES on the older GRACC instance
- Should the data go to tape? Est. around couple hundred MB/day
ESnet data
- Have access to SNMP (over 9022 interfaces)
- Data: traffic (2 years); errors, discards (1 month)
- Size: About 1GB/mo
- Working on reviewing schema and moving into production
- Don’t send to tape now. Wait until we’re ready to move to production.
- U Waterloo writeup is complete
- Purdue/FNAL, Madison, and throughput writeup is in progress
- Make a recorded session
- Convert into webpage, add to SAND website (John)
Tape replay
- Now sending Dec 2018
- Wrote email of replay overview (John with Derek)
XRootD TCP statistics
- Andy recommended making a plugin
- Will likely require quite a bit of plumbing (adding hooks in the right spot)