DRIVERS-1934: withTransaction API retries too frequently

[sleepyStick]

Please complete the following before merging:

• Is the relevant DRIVERS ticket in the PR title?

• Update changelog.
• Test changes in at least one language driver.
• Test these changes against all server versions and topologies (including standalone, replica set, and sharded
  clusters).

python implementation: mongodb/mongo-python-driver#2600

[sleepyStick]

Maybe I read it wrong, or maybe its a typo? Not sure.

[sleepyStick]

I know python uses ** as the exponential operator. I don't believe that is a standard across other programming languages. Is it clear that its exponent? Is there a different preferred symbol for exponent? (I know math commonly uses ^ but it typically also means bitwise XOR in code so I felt like that could be confusing.)

[baileympearson]

** seems fine to me, but I might also be biased because that's what Node does 🙂. But I don't think people will have trouble understanding what this means.

[ShaneHarvey]

LGTM

[comandeo-mongo]

LGTM! Maybe we can add a link to the reference implementation to PRs description.

[sleepyStick]

LGTM! Maybe we can add a link to the reference implementation to PRs description.

Good suggestion! I added a link to the python PR in the PR description now!

stale.