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 19:01:46 GMT
On Fri, Jun 24, 2016 at 2:07 PM, Mark Thomas <markt@apache.org> wrote:
> On 24/06/2016 18:41, Nate Clark wrote:
>> On Fri, Jun 24, 2016 at 1:37 PM, Nate Clark <nate@neworld.us> wrote:
>>> On Fri, Jun 24, 2016 at 1:27 PM, Mark Thomas <markt@apache.org> wrote:
>>>> On 24/06/2016 18:25, Mark Thomas wrote:
>>>>>
>>>>> Can you provide the settings you are using for the Executor as well please?
>>>
>>>     <Executor name="defaultThreadPool" namePrefix="catalina-exec-"
>>>         maxThreads="500" minSpareThreads="4"/>
>>>
>>>>
>>>> And how long do the initial 5,000,000 4k requests take to process?
>>>>
>>>
>>> 40 minutes.
>>>
>> Not sure this matters but I just double checked and there are actually
>> 400 threads in total doing the 4k PUTs. Two clients each doing 200
>> threads. the 100MB test is 24 threads total 12 per client machine.
>>
>> Sorry for misinformation earlier.
>
> No problem. Thanks for the information. One last question (for now). How
> many processors / cores / threads does the server support? I'm trying to
> get a handle on what the concurrency looks like.
>

The machine has two physical chips each with 6 cores and
hyper-threading enabled, so 24 cores exposed to the OS.

cpuinfo for first core:
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 63
model name      : Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz
stepping        : 2
microcode       : 0x2e
cpu MHz         : 1212.656
cache size      : 15360 KB
physical id     : 0
siblings        : 12
core id         : 0
cpu cores       : 6
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 15
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts
rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq
dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid
dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx
f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi
flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms
invpcid cqm xsaveopt cqm_llc cqm_occup_llc
bugs            :
bogomips        : 4788.98
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:


If it matters the system also has 256GB of memory.

-nate

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


Mime
View raw message