[jdk17u-dev] RFR: 8292989: Avoid dynamic memory in AsyncLogWriter

[Aleksey Shipilev]

On Fri, 28 Jul 2023 08:18:46 GMT, Xin Liu <xliu at openjdk.org> wrote:

> This patch is *NOT* a clean backport.  The logic part is exactly the same, but I have to adjust code in the following parts:
> 1. change from KVHashtable to ResourceHashtable because we want to use resourceArea instead of C_HEAP. 
> 2. we added lambda-API iterator() to ResourceHashtable. Instead of backporting all patches from TIP, we just reuse the original iterator(). 
> 
> 
> template<typename Function>
> void iterate(Function function) const { // lambda enabled API
> 
> 
> Testing: 
> jdk-test1 tests including gtest. 
> Manually check there's no malloc/free in runtime.

Before I review the change, should https://bugs.openjdk.org/browse/JDK-8294075 be backported as well? Is JDK-8294075 caused by this change?

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1630#issuecomment-1660849206