8176565: G1 Does not perform heap verification after remark with VerifyAfterGC

Aleksey Shipilev shade at redhat.com
Mon Mar 13 15:40:53 UTC 2017


On 03/13/2017 04:37 PM, Mikael Gerdin wrote:
>>> Webrev: http://cr.openjdk.java.net/~mgerdin/8176565/webrev.0/
>>
>> While I agree this is good change, I wonder if you want a global verification
>> option that does not mention any particular GC phase, e.g. -XX:+VerifyGC. Then,
>> external users can rely on GC developers to put the verification points within
>> the GC, where they think verification is needed. (We do this in Shenandoah with
>> -XX:+ShenandoahVerify).
>>
>> That flag may just ergonomically enable all three verification options:
>> -XX:+Verify{Before,After,During}GC.
> 
> That might make sense but in trying to get this in to 9 I'd prefer to keep the
> change as simple as possible.

That sounds fine to me. Please consider this all-in verification option in a
long term :) Perhaps 9u?

-Aleksey

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