Date
https://bluejeans.com/383721668
Attendees
Goals
- Set goals, objectives or some context for this meeting.
Discussion items
Time | Item | Who | Notes |
---|
| NCSA | Unknown User (jalt) | - NFS service
- Tuning was performed this past week. A new NFS server was set up and both Tomcat nodes were restarted to bring this into play.
- Applied tuning similar to that mounted on the development environment. Aimed at small file transfers and frequent file metadata requests.
- Networking
- Samba mounting was promised to come up this week, not quite yet ready.
- Jumbo frames: update has been postponed
- Holiday staffing
- Lots of people will be away next week; the week after is the formal holiday. No official support from 12/23 through 1/3.
- Data Management plan ("management of data", not DM)
|
| SLAC | John Gates, Brian Van Klaveren | - Qserv performance and tuning
- There have been a variety of small issues discovered with query performance and the completeness of the secondary indexes
- DAX services
- Trying to complete initial version of `metaserv` before next week.
- `imgserv` - Trey Roby reports concurrency is much improved
- Would like JSON return blocks when errors are detected
|
| IPAC | Trey Roby | |
| | | - General discussion of performance monitoring for the Qserv / PDAC cluster
- Relative merits of Nagios, Ganglia, Kibana
- Currently depending on temporary Nagios service set up by Fritz Mueller. Expecting to migrate this
- Igor Gaponenko strongly suggests the use of Ganglia for more detailed machine-level monitoring
- NCSA not able to put additional effort into monitoring during the first half of S17
|
Action items
- Trey Roby Evaluate NFS performance on Tomcat servers after recent tuning
-