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Feature #2163

return data always from DRS

Added by Maxim Grigoriev about 8 years ago. Updated almost 8 years ago.

Status:
Assigned
Priority:
High
Assignee:
Maxim Grigoriev
Category:
Scalable Backend
Start date:
11/15/2011
Due date:
% Done:

0%

Estimated time:
Duration:

Description

adjustment to how DRS handles requests:
Before:
--------
get data from the DB, if dataset is not within an hour of the requested time window then
send request to the remote MA, if not data there then return error or just empty data container

After adjustment:
-----------------
Get data from DB, for the most recent slice if the latest requested time is within the current time then
remove condition on start time and return N=requested resolution datapoints form the DB.
If resulted dataset is not within an hours of the requested time window then send
request to the remote MA but if there is no data there or some failure occurred then return
cached data even if its not complete
----------------------

History

#1 Updated by Maxim Grigoriev almost 8 years ago

  • Target version changed from v2.0-alpha1 (Dec 2011) to v1.3 (JTechs - Jan 2012)

#2 Updated by Maxim Grigoriev almost 8 years ago

  • Target version changed from v1.3 (JTechs - Jan 2012) to v2.0-beta1 (Mar 2012)

#3 Updated by Maxim Grigoriev almost 8 years ago

  • Target version changed from v2.0-beta1 (Mar 2012) to 07/01/2012, before summer JTechs

#4 Updated by Maxim Grigoriev almost 8 years ago

  • Target version changed from 07/01/2012, before summer JTechs to BWCTL on demand and UI enhancements, by end of May 2012


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