RFR: 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out

Wed Mar 3 20:15:50 UTC 2021

On Wed, 3 Mar 2021 07:01:46 GMT, Lin Zang <lzang at openjdk.org> wrote:

> 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out

The fix is fairly big and could use some explaining. Can you provide a bit more detail on what the bug is? In the CR you mention it is due to the combination of a very large array and the segmented heap dump support, but don't really explain what the actual bug is. You can add this detail to the CR rather than here.  Also can explain your solution, especially this new `writeThrough` mode? Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/2803