[Java] Add benchmark and large fake data UT for avro adapter

[asfimport]

To avoid OOM, we have implement iterator API in ARROW-6220.

This issue is about to add tests with a large fake data set (say 6MM rows in JDBC adapter test) and ensures no OOMs occur.

 

Reporter: Ji Liu / @tianchen92
Assignee: Ji Liu / @tianchen92

Related issues:

• [Java] Add API to avro adapter to limit number of rows returned at a time. (is blocked by)

PRs and other links:

• GitHub Pull Request #5317

_{Note: This issue was originally created as ARROW-6460. Please see the migration documentation for further details.}

[asfimport]

Micah Kornfield / @emkornfield:
as part of this can we add in a performance test as well to get a baseline number.

[asfimport]

Micah Kornfield / @emkornfield:
Issue resolved by pull request 5317
#5317