Changes between Version 1 and Version 2 of 2022-3-24

Timestamp:

Mar 24, 2022, 12:38:43 PM (4 years ago)

Author:

Tom Goddard

Comment:

--

2022-3-24

@@ -15 +15 @@
 = Discussion Notes =
 
+* Scooter and Elaine move to N453
+  - Department asked Scooter and Elaine to move to N453.
+  - Will happen in coming weeks.
+
+* Phenix R24
+  - Eric gave overview of Phenix and R24 proposal ChimeraX tasks
+  - Showed demo of ChimeraX phenix douse command.
+  - Discussion of whether Phenix REST server of subprocess call should be used to run Phenix methods.
+  - Many disadvantages of REST, starting server, determining when it is ready, polling it, shutting it down.
+  - Does not seem like Phenix has persistent state that would make REST attractive.
+  - One advantage of REST would be having Phenix running on a different machine (cluster).  Rare case.
+  - Scooter discussed DASK for parallelizing Python numpy/pandas jobs on a cluster like wynton, or on local cores.
+
+* Slow downloads of ChimeraX
+  - Elaine and TomG have 15-30 minute ChimeraX download times this week from home.
+  - Both using sonic.net, but have fast connection to other sites.
+  - Tom Ferrin and Scooter (comcast) had fast download times this week.
+  - Greg (sonic) and Zach (comcast) have not tried yet.
+  - Scooter notes entire UCSF Mission Bay campus has only 10 Gbit/sec internet connection.
+
+* Wynton BeeGFS problem
+  - Last week multiple day downtime was caused by BeeGFS file system bug, metadata server deadlock.
+  - Caused by a single job from Schoichet lab using BeeGFS for scratch.
+  - This job has been changed to use local disk scratch like all other jobs.
+  - Giving BeeGFS vendor  test case so they can patch it.
+
+* New Wynton GPUs
+  - 13 new Wynton GPU nodes just received, 4 A40 GPUs each (48 GB each).
+  - Brings Wynton GPUs from about 150 to 200.
+  - Nvidia announced new H100 GPU with 80 GB.  Also RTX 4000 series expected in September 2022.
+
 = Action Items =