[close #634] fix rawBatchPut hang while batch size is larger than MAX_RAW_BATCH_LIMIT (#640)

[ti-srebot]

cherry-pick #640 to release-3.3
You can switch your code base to this Pull Request by using git-extras:

# In client-java repo:
git pr https://github.com/tikv/client-java/pull/641

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/client-java.git pr/641:release-3.3-506d58f63424

---

Signed-off-by: iosmanthus myosmanthustree@gmail.com

What problem does this PR solve?

Issue Number: close #634

Problem Description:

The following code will hang in the master:

HashMap<ByteString, ByteString> kvs = new HashMap<>();
for (int i = 0; i < MAX_RAW_BATCH_LIMIT * 4; i++) {
  kvs.put(prefix.concat(ByteString.copyFromUtf8("key@" + i)), rawValue("value@" + i));
}
client.batchPut(kvs);

What is changed and how does it work?

The code is dislocation while cherry picks other commits from release-3.1

Check List for Tests

This PR has been tested by at least one of the following methods:

• Unit test
• Integration test

Related changes

• Need to cherry-pick the release branch

[ti-srebot]

/run-all-tests

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-3.3@6e8c0fc). Click here to learn what that means.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             release-3.3     #641   +/-   ##
==============================================
  Coverage               ?   35.07%           
  Complexity             ?     1444           
==============================================
  Files                  ?      278           
  Lines                  ?    17362           
  Branches               ?     1974           
==============================================
  Hits                   ?     6089           
  Misses                 ?    10655           
  Partials               ?      618           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6e8c0fc...d711f04. Read the comment docs.

[iosmanthus]

LGTM