William Brafford 1dd7ab830c

Warn when MaxDirectMemorySize may be incorrect (Windows/JDK8 only issue) (#48365) ...

Our JVM ergonomics extract max heap size from JDK PrintFlagsFinal output. 
On JDK 8, there is a system-dependent bug where memory sizes are cast to 
32-bit integers. On affected systems (namely, Windows), when 1/4 of physical
memory is more than the maximum integer value, the output of PrintFlagsFinal
will be inaccurate. In the pathological case, where the max heap size would
be a multiple of 4g, the test will fail.

The practical effect of this bug, beyond test failures, is that we may set
MaxDirectMemorySize to an incorrect value on Windows. This commit adds a
warning about this situation during startup.

2019-10-25 13:27:43 -04:00

..

java-version-checker

[Backport] Replace usages RandomizedTestingTask with built-in Gradle Test (#40978) (#40993)

2019-04-09 11:52:50 -07:00

launchers

Warn when MaxDirectMemorySize may be incorrect (Windows/JDK8 only issue) (#48365)

2019-10-25 13:27:43 -04:00

plugin-cli

Spawn controller processes from a different directory on macOS (#47013)

2019-09-27 14:02:40 +01:00