On Wed, 2 Aug 2023 14:33:28 GMT, Yi Yang wrote:
>> ### Motivation and proposal
>> Hi, heap dump brings about pauses for application's execution(STW), this is
>> a well-known pain. JDK-8252842 have added parallel support to heapdump in an
>> attempt to alleviate this issue. However, all
On Thu, 3 Aug 2023 13:24:19 GMT, Kevin Walls wrote:
> Also the variable num_requested_dump_thread is not needed? It's just a copy
> of _num_dumper_threads which we don't change.
This is needed because _num_dumper_threads will change later, the requested
dump thread may not equal to actual
On Wed, 2 Aug 2023 14:33:28 GMT, Yi Yang wrote:
>> ### Motivation and proposal
>> Hi, heap dump brings about pauses for application's execution(STW), this is
>> a well-known pain. JDK-8252842 have added parallel support to heapdump in an
>> attempt to alleviate this issue. However, all
> ### Motivation and proposal
> Hi, heap dump brings about pauses for application's execution(STW), this is a
> well-known pain. JDK-8252842 have added parallel support to heapdump in an
> attempt to alleviate this issue. However, all concurrent threads
> competitively write heap data to the