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Posted to reviews@spark.apache.org by "LuciferYang (via GitHub)" <gi...@apache.org> on 2023/10/01 03:09:32 UTC
[GitHub] [spark] LuciferYang opened a new pull request, #43193: Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
LuciferYang opened a new pull request, #43193:
URL: https://github.com/apache/spark/pull/43193
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[GitHub] [spark] dongjoon-hyun commented on pull request #43193: [SPARK-45392][CORE][SQL][SS] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742306553
Merged to master for Apache Spark 4.0.0.
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Re: [PR] [SPARK-45392][CORE][SQL][SS] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()` [spark]
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742612390
Thanks @dongjoon-hyun @mridulm and @srowen ~
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[GitHub] [spark] LuciferYang commented on pull request #43193: [SPARK-45392][CORE][SQL] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742240691
> There is also use in `streaming.sources` test suites, can you fix those as well ? Thanks
done ~
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[GitHub] [spark] mridulm commented on pull request #43193: Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "mridulm (via GitHub)" <gi...@apache.org>.
mridulm commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742067433
Note - we need the cache only if we think this is in a hot path, else might not be worth it :-)
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[GitHub] [spark] mridulm commented on pull request #43193: Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "mridulm (via GitHub)" <gi...@apache.org>.
mridulm commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1741954144
Given this is deprecated, we have to move our usage out ... but one caveat is the loss of cached constructor we can no longer leverage.
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[GitHub] [spark] LuciferYang commented on pull request #43193: Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742079944
Personally, I don't think they are hotpaths, let's use `.getConstructor().newInstance()` directly.
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[GitHub] [spark] dongjoon-hyun closed pull request #43193: [SPARK-45392][CORE][SQL][SS] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #43193: [SPARK-45392][CORE][SQL][SS] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
URL: https://github.com/apache/spark/pull/43193
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[GitHub] [spark] LuciferYang commented on pull request #43193: Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1741973611
Good point~ one approach is to add a Guava Cache to cache these no-argument Constructors to alleviate this problem, another approach is to maintain the status quo and continue to use the `.newInstance()` API for now.
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[GitHub] [spark] mridulm commented on pull request #43193: [SPARK-45392][CORE][SQL] Replace `Class.newInstance()` with `Class.getDeclaredConstructor().newInstance()`
Posted by "mridulm (via GitHub)" <gi...@apache.org>.
mridulm commented on PR #43193:
URL: https://github.com/apache/spark/pull/43193#issuecomment-1742187590
There is also use in `streaming.sources` test suites, can you fix those as well ? Thanks
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