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KAFKA-9907: Switch default build to Scala 2.13#8537

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ijuma merged 2 commits intoapache:trunkfrom
ijuma:kafka-9907-switch-scala-2.13-default
Apr 23, 2020
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KAFKA-9907: Switch default build to Scala 2.13#8537
ijuma merged 2 commits intoapache:trunkfrom
ijuma:kafka-9907-switch-scala-2.13-default

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@ijuma ijuma commented Apr 23, 2020

Scala 2.13.2 introduces support for suppressing warnings,
which makes it possible to enable fatal warnings. This is
useful enough from a development perspective to justify
this change.

In addition, Scala 2.13.2 also has a Vector implementation
with significant performance improvements and encoding
of String matches to switches.

Committer Checklist (excluded from commit message)

  • Verify design and implementation
  • Verify test coverage and CI build status
  • Verify documentation (including upgrade notes)

Scala 2.13.2 introduces support for suppressing warnings,
which makes it possible to enable fatal warnings. This is
useful enough from a development perspective to justify
this change.

In addition, Scala 2.13.2 also has a Vector implementation
with significant performance improvements and encoding
of String matches to switches.
@ijuma ijuma force-pushed the kafka-9907-switch-scala-2.13-default branch from e4bab95 to 702fc8c Compare April 23, 2020 07:44
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@ijuma Thanks for the PR. LGTM
we also need to update README

@ijuma ijuma merged commit dbe618c into apache:trunk Apr 23, 2020
@ijuma ijuma deleted the kafka-9907-switch-scala-2.13-default branch April 23, 2020 14:02
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ijuma commented Apr 23, 2020

Thanks, I addressed the comment and I merged to trunk.

ijuma added a commit to ijuma/kafka that referenced this pull request Apr 29, 2020
…t-for-generated-requests

* apache-github/trunk: (366 commits)
  MINOR: Improve producer test BufferPoolTest#testCloseNotifyWaiters. (apache#7982)
  MINOR: document how to escape json parameters to ducktape tests (apache#8546)
  KAFKA-9885; Evict last members of a group when the maximum allowed is reached (apache#8525)
  KAFKA-9866: Avoid election for topics where preferred leader is not in ISR (apache#8524)
  KAFKA-9839; Broker should accept control requests with newer broker epoch (apache#8509)
  KAKFA-9612: Add an option to kafka-configs.sh to add configs from a prop file (KIP-574)
  MINOR: Partition is under reassignment when adding and removing (apache#8364)
  MINOR: reduce allocations in log start and recovery checkpoints (apache#8467)
  MINOR: Remove unused foreign-key join class (apache#8547)
  HOTFIX: Fix broker bounce system tests (apache#8532)
  KAFKA-9704: Fix the issue z/OS won't let us resize file when mmap. (apache#8224)
  KAFKA-8639: Replace AddPartitionsToTxn with Automated Protocol  (apache#8326)
  MINOR: equals() should compare all fields for generated classes (apache#8539)
  KAFKA-9844; Fix race condition which allows more than maximum number of members(apache#8454)
  KAFKA-9823: Remember the sent generation for the coordinator request (apache#8445)
  KAFKA-9883: Add better error message when REST API forwards a request and leader is not known (apache#8536)
  KAFKA-9907: Switch default build to Scala 2.13 (apache#8537)
  MINOR: Some html fixes in Streams DSL documentation (apache#8503)
  MINOR: Enable fatal warnings with scala 2.13 (apache#8429)
  KAFKA-9852: Change the max duration that calls to the buffer pool can block from 2000ms to 10ms to reduce overall test runtime (apache#8464)
  ...
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2 participants