RFR: 8330077: Allow max number of events to be buffered to be configurable to avoid OVERFLOW_EVENT [v8]

[Brian Burkhalter]

On Thu, 18 Apr 2024 18:43:02 GMT, Fabian Meumertzheim <duke at openjdk.org> wrote:

>> We just don't want to have random failures creating noise. Tests are run many times each day. I think the problematic line here is
>> 
>>  32  * @run main/othervm -Djdk.nio.file.WatchService.maxEventsPerPoll=5 LotsOfEntries 5 pass
>> 
>> This failed I think in only 3 of 300 repeats on linux-aarch64.
>
> Yes what I meant is that the numbers in the test are essentially arbitrary. Now that they are further away from the limit, I would expect failures to be less likely. But if there are still failures, I can make the difference even larger.

It would be good to know why the failures happened so they can be prevented.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/18739#discussion_r1571566402