[close #684] Fix batch get blocked by write

[shiyuhang0]

Signed-off-by: shiyuhang [email protected]

What problem does this PR solve?

Issue Number: close #684

Problem Description: TBD

What is changed and how does it work?

Client-java's batchGet should retry to request TiKV with the ResolvedLocks context. So that the requests can ignore locks belonging to other transactions, because their commit_ts > read request's start_ts after pushing min_commit_ts in the first batchGet,

Just add ResolvedLocks filed in KVClient to cache the information and used it in the retry.

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has methods of interface change
• Has persistent data change
• No code

Check List for Tests

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

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

Side effects

• Possible performance regression, WHY: TBD
• Increased code complexity, WHY: TBD
• Breaking backward compatibility, WHY: TBD
• NO side effects

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to be included in the release note
• NO related changes

[codecov]

Codecov Report

Base: 35.01% // Head: 36.86% // Increases project coverage by +1.84% 🎉

Coverage data is based on head (c938200) compared to base (1554ae5).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #685      +/-   ##
============================================
+ Coverage     35.01%   36.86%   +1.84%     
- Complexity     1446     1537      +91     
============================================
  Files           278      278              
  Lines         17382    17386       +4     
  Branches       1975     1976       +1     
============================================
+ Hits           6086     6409     +323     
+ Misses        10681    10322     -359     
- Partials        615      655      +40     

Impacted Files	Coverage Δ
src/main/java/org/tikv/txn/KVClient.java	79.64% <100.00%> (+28.26%)	⬆️
src/main/java/io/grpc/internal/ClientCallImpl.java	56.82% <0.00%> (-0.25%)	⬇️
...ty/handler/codec/http2/Http2ConnectionHandler.java	51.58% <0.00%> (+0.48%)	⬆️
...ain/java/org/tikv/common/region/RegionManager.java	80.64% <0.00%> (+0.64%)	⬆️
...rc/main/java/io/grpc/netty/NettyClientHandler.java	56.89% <0.00%> (+0.64%)	⬆️
...java/org/tikv/common/region/RegionStoreClient.java	54.98% <0.00%> (+2.49%)	⬆️
...rc/main/java/org/tikv/common/util/ClientUtils.java	67.01% <0.00%> (+4.12%)	⬆️
src/main/java/org/tikv/common/region/TiStore.java	61.53% <0.00%> (+5.12%)	⬆️
...rc/main/java/org/tikv/common/meta/TiTimestamp.java	50.00% <0.00%> (+6.25%)	⬆️
...java/org/tikv/common/operation/KVErrorHandler.java	47.36% <0.00%> (+7.89%)	⬆️
... and 15 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[ti-srebot]

@zhangyangyu, Thanks for your review. The bot only counts LGTMs from Reviewers and higher roles, but you're still welcome to leave your comments. You are not a reviewer or committer or co-leader or leader.

[ti-srebot]

cherry pick to release-3.3 in PR #691