Back-porting of JDK-8230565 to JDK 13

Per Liden per.liden at
Tue Oct 15 17:00:34 UTC 2019

On 10/15/19 8:28 AM, Per Liden wrote:
> Hi,
> 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.

Just a follow up. JDK-8230565 was approved for backporting and has now 
been pushed to the 13.0.2 branch.


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