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Re: assertion failed: client_side.cc:1515: "connIsUsable(http->getConn())

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John -

For us the 3.4 series is definitely the stablest.

I was hoping 3.5.2 + plus a patch would avoid the error in this thread’s subject—and it might have done—but it introduced two other major problems (for us).

> On 20 Mar 2015, at 2:29 pm, johnzeng <johnzeng2013@xxxxxxxxx> wrote:
> 
> 
> Hello Dan:
> 
>                 i used squid 2.7stable9 ago ,and i worried whether squid 3.5.2 is stablest for us until now too .
> 
>                 and you ?
> 
>                 Do you think Whether version is stablest at squid 3.xxx  ?
> 
> 
> 
> 
> 
> 
> 
>> Well I got 3.5.2 into production for a few hours and Bad Things happened:
>> 
>> *1) A hefty performance hit*
>> Load average was maybe a tad higher but CPU. memory and I/O were about the same. However the system seemed to top out at around 40 requests per second (on a client that usually hits 100—150 rps) and squid became very slow to respond to squidclient requests:
>> [root@proxy-LS5 ~]# time squidclient -p 8080 mgr:utilization | grep client_http.requests
>> client_http.requests = 40.965955/sec
>> client_http.requests = 41.168528/sec
>> client_http.requests = 42.111847/sec
>> client_http.requests = 166646
>> 
>> real0m7.163s
>> user0m0.002s
>> sys0m0.006s
>> 
>> *2) Lots of Segment Violations*
>> These obviously suck. Backtrace attached.
>> 
>> Just cannot win. Is it possible these two issues are due to the patch for #4206?
>> 
>> 
>> 
>> 
>>> On 16 Mar 2015, at 6:18 pm, Amos Jeffries <squid3@xxxxxxxxxxxxx <mailto:squid3@xxxxxxxxxxxxx>> wrote:
>>> 
>>> On 16/03/2015 7:16 p.m., Dan Charlesworth wrote:
>>>> Hey again Amos -
>>>> 
>>>> Unfortunately the patch for #4206 won’t apply to squid-3.4.12. I was going to try creating a new one but couldn’t find an equivalent line in client_side.cc for that version.
>>>> 
>>>> I guess the #4206 issue doesn’t apply to v3.4.x after all?
>>> 
>>> Correct. Oh well.
>>> 
>>> 
>>>> 
>>>> [Not a C programmer]
>>>> 
>>>> Thanks for your time today.
>>>> 
>>>> P.S. I'd love to upgrade to v3.5 but I'm waiting for somebody smarter than me to take the lead on a CentOS 6 RPM SPEC file.
>>> 
>>> Eliezer to the rescue ;-)
>>> http://wiki.squid-cache.org/KnowledgeBase/CentOS#Squid-3.5
>>> 
>>> 
>>> Amos
>>> 
>> 
>> 
>> 
>> _______________________________________________
>> squid-users mailing list
>> squid-users@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.squid-cache.org/listinfo/squid-users

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