Hey Steve,

Can you share some details on config or performance turning or results ?


Thanks,
Di Li




> On Dec 13, 2016, at 9:46 AM, Lerner, Steve <[email protected]> wrote:
> 
> I’ve benchmarked ATS forward proxy post with cache disabled to near 10gbps on 
> an Openstack VM with a 10Gbps NIC.
> I used Apache Bench for this.
>  
> Steve Lerner | Director / Architect - Performance Engineering | m 
> 212.495.9212 | [email protected] <mailto:[email protected]>
> <image001.png>
>  
> From: <[email protected]> on behalf of Di Li <[email protected]>
> Reply-To: "[email protected]" <[email protected]>
> Date: Tuesday, December 13, 2016 at 12:32 PM
> To: "[email protected]" <[email protected]>
> Subject: Re: benchmark ATS
>  
> using 6.2.0, repeatable
>  
> 
> Thanks,
> Di Li
>  
>  
> 
>  
> On Dec 13, 2016, at 1:28 AM, Reindl Harald <[email protected] 
> <mailto:[email protected]>> wrote:
>  
> 
> Am 13.12.2016 um 09:45 schrieb Di Li:
> 
> When I doing some benchmark for outbound proxy, and has http_cache
> enabled, well, first of all, the performance are pretty low, I guess I
> didn’t do it right with the cache enabled, 2nd when I use wrk to have
> 512 connection with 40 thread to go through proxy with http, it cause a
> core dump, here’s the trace
> 
> And when I disable the http.cache, the performance has went up a lot,
> and no more coredump at all.
> 
> 
> FATAL: CacheRead.cc <http://cacheread.cc/> <http://cacheread.cc 
> <http://cacheread.cc/>>:249: failed assert
> `w->alternate.valid()`
> traffic_server: using root directory '/ngs/app/oproxy/trafficserver'
> traffic_server: Aborted (Signal sent by tkill() 20136 1001)
> traffic_server - STACK TRACE
> 
> is this repeatable?
> which version of ATS?
> 
> at least mention the software version should be common-sense
> 
> had one such crash after upgrade to 7.0.0 and was not able to reproduce it, 
> even not with a "ab -k -n 10000000 -c 500" benchmark
>  

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