Troubles with Shenandoah

[Aleksey Shipilev]

On 4/8/19 11:05 PM, Aleksey Shipilev wrote:
> On 4/8/19 10:54 PM, Simone Bordet wrote:
>> Just to be clear, you had no problems with heap locked at max size and
>> always pre-touch with 12+33?
> 
> Correct. I used jdk12 binary [1] for testing:
> 12-testing+0-builds.shipilev.net-openjdk-jdk12-b158-20190406-jdk-1233jdk-12-ga. Locking the heap
> resolved the latency and lost messages problems for me. YMMV, so please try yourself.
> 
>> batch count = 1_000 runs for ~10s.
>> 8 hrs -> batch count = 2_880_000
>>
>> Make it 2_500_00 and you should be good overnight (I once did precise
>> math and the "circa" 10s, when multiplied, yielded hours more :)
> 
> Okay!

I ran 2_500_000 batches overnight with jdk12 fastdebug build and full verification, without any trouble.

-Aleksey