Set default db connection timeout to 100 seconds

[panakouris]

I just noticed that in the last version it seems that from the time I run tc.get_driver() I have 10 seconds until the connection to the DB dies. I suggest that the default value should be much higher that 10 seconds. Set it to 100 for now.

[codecov]

Codecov Report

Merging #265 (bd28e23) into main (2e8bcdb) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #265   +/-   ##
=======================================
  Coverage   98.77%   98.77%           
=======================================
  Files          49       49           
  Lines        2211     2211           
  Branches      310      310           
=======================================
  Hits         2184     2184           
  Misses         17       17           
  Partials       10       10           

Impacted Files	Coverage Δ
terracotta/config.py	100.00% <100.00%> (ø)

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[dionhaefner]

This timeout should be the timeout for establishing a connection, not the time it's kept alive. Did the semantics change in the SQLalchemy port? @nickeopti

[panakouris]

Hmmm, I think you are correct. I will dig further into it next week. But the connection errors I get are quite often at the moment. Can also be related to overused database.