tomcat-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From therealnewo...@gmail.com
Subject Re: Bug that spans tomcat and tomcat-native
Date Fri, 24 Jun 2016 15:40:34 GMT
On Fri, Jun 24, 2016 at 11:37 AM,  <therealneworld@gmail.com> wrote:
> On Fri, Jun 24, 2016 at 11:18 AM, Mark Thomas <markt@apache.org> wrote:
>> On 24/06/2016 11:17, Rémy Maucherat wrote:
>>> 2016-06-24 12:08 GMT+02:00 Mark Thomas <markt@apache.org>:
>>>
>>>> Thanks.
>>>>
>>>> I'm going to start some local performance testing to confirm I see
>>>> similar results and, assuming I do, I'll start looking at fixing this
>>>> for 1.2.x/9.0.x and back-porting.
>>>>
>>> Hum, the fix that was submitted doesn't make sense IMO since writes can be
>>> async, so I don't see a way besides adding the "error clear" thing after
>>> each operation [and we'll remove it once OpenSSL 1.1 is there if it
>>> actually fixes it]. That's assuming this issue is real [I actually never
>>> noticed anything during my many ab runs and they use a lot of threads, so I
>>> have a hard time believing it is significant enough ;) ].
>>
>> I haven't been able to reproduce anything like this yet. So far I have
>> only been testing with tc-native 1.2.x and Tomcat 9.0.x. I might need to
>> test with 1.1.x and Tomcat 7.0.x, the versions used by the OP.
>>
>> I'm having trouble understanding how this is happening. I could imagine
>> that HashMap becoming a problem if there was a high churn in Threads.
>> I'm thinking of something like bursty traffic levels and an executor
>> aggressively halting spare threads. I need to experiment with that as well.
>>
>> Nate,
>>
>> We need as much information as you can provide on how to reproduce this.
>> As a minimum we need to know:
>> - Connector configuration from server.xml
>> - Operating system
>> - How tc-native was built
>> - Exact versions for everything
>>
>> We need enough information to recreate the test and the results
>> that you obtained.
> OS: Fedora 22
> tc-native: tomcat-native-1.1.34-1.fc22.x86_64
> tomcat: tomcat-7.0.68-3.fc22.noarch
>
> This issue was seen in older versions of tomcat:
> tomcat-native-1.1.30-2.fc21 and tomcat-7.0.54-3.fc21

I forgot to give you the openssl version openssl-1.0.1k-15.fc22.x86_64

-nate

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
For additional commands, e-mail: dev-help@tomcat.apache.org


Mime
View raw message