collector: add more retry when collect metrics

[nexustar]

What problem does this PR solve?

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (88122e8) 30.19% compared to head (b08d351) 30.19%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #455   +/-   ##
=======================================
  Coverage   30.19%   30.19%           
=======================================
  Files          52       52           
  Lines        4362     4362           
=======================================
  Hits         1317     1317           
  Misses       2874     2874           
  Partials      171      171           

Flag	Coverage Δ
unittests	30.19% <ø> (ø)

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