Back-porting of JDK-8230565 to JDK 13

Per Liden per.liden at
Tue Oct 15 06:28:31 UTC 2019


On 10/12/19 4:42 AM, Sergey Tselovalnikov wrote:
> Hi,
> Recently at Canva, we've upgraded a set of servers to JDK 13 and switched
> to ZGC. Enabling ZGC has been a great success, it significantly reduced and
> required absolutely no tuning.
> However, we started seeing SIGSEGVs after running the app for a few hours,
> which were very similar to the ones described in JDK-8230565, so we had to
> switch back to CMS. The issue seems to be fixed in JDK-8230565, as far as I
> can see, it's only going to arrive in JDK 14.
> Do you know if there are any plans on backporting JDK-8230565 to JDK 13? It
> seems to have resolved multiple similar issues.

Yes, that's the plan. It's currently going though the approval process 
for being backported to 13.0.2.


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