[WORKBENCH-48] Workbench timeline mouseover pop up takes a long time to respond Created: 06/Oct/17  Updated: 13/Jun/19

Status: To Do
Project: i2b2 Workbench
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Major
Reporter: Taowei David Wang Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Caused
causes WORKBENCH-27 Slow response when click on tic mark ... To Do

 Description   
In Workbench release 2.0.01 the Timeline plugin has been updated. However, under some circumstances, mousing over an observation tick in the timeline can take a long time to bring up the popups.

- It takes long when using demo data. It is fine when using a different datamart, e.g. partners datamarts
      -- Could be related to the differences on how datamarts are configured?
     -- Want to take a look at this issue with some backend support
- The delay seems longer when running in VM than in Windows.
- The length of delay seems to be variable (usually between 3-15 seconds)

- Sometimes console prints out "Server timeout. Retrying in 3000ms" messages.
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