RFR: JDK-8276086: Increase size of metaspace mappings

[Thomas Stuefe]

On Fri, 29 Oct 2021 07:20:26 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> Hi Thomas, why did you choose 64MB for the new size?

No hard reason. I chose a number large enough to significantly reduce the list length, but small enough to not inflate vsize too much for very small apps. Most small java applications should get along fine with less and therefore would never need a second mapping.

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PR: https://git.openjdk.java.net/jdk/pull/6148