Re: [squid-users] Squid performance recommendation

2022-09-24 Thread David Touzeau
Hi We have some experience on cluster configuration. https://wiki.articatech.com/en/proxy-service/hacluster As using Kubernetes for Squid and for 40K users is a very "risky adventure". Squid requires a very high disk performance (I/O) which means both a good hard disk drive and a decent

Re: [squid-users] Squid performance recommendation

2022-09-21 Thread ngtech1ltd
-users@lists.squid-cache.org Subject: [squid-users] Squid performance recommendation Hi squid community, I need to find most best and sustainable way to build a stable High Availability squid cluster/solution for abou 40k user. Parameters: I need HA, caching(little objects only not like big w

Re: [squid-users] Squid performance recommendation

2022-09-21 Thread Marcus Kool
On 20/09/2022 20:52, Pintér Szabolcs wrote: Hi squid community, I need to find most best and sustainable way to build a stable High Availability squid cluster/solution for abou 40k user. Parameters: I need HA, caching(little objects only not like big windows updates), scaling(It is just

Re: [squid-users] Squid performance recommendation

2022-09-21 Thread Amos Jeffries
On 21/09/22 07:52, Pintér Szabolcs wrote: Hi squid community, I need to find most best and sustainable way to build a stable High Availability squid cluster/solution for abou 40k user. Number of users is of low relevance to Squid. What matters is the rate of requests they are sending to

[squid-users] Squid performance recommendation

2022-09-20 Thread Pintér Szabolcs
Hi squid community, I need to find most best and sustainable way to build a stable High Availability squid cluster/solution for abou 40k user. Parameters: I need HA, caching(little objects only not like big windows updates), scaling(It is just secondly), and I want to use and modify(in

Re: [squid-users] Squid performance issues

2021-09-05 Thread Marcio B.
ut it: > > systemctl daemon-reload > > and then restart squid. > > systemctl restart squid > > > > > > Eliezer > > > > > > > > *From:* NgTech LTD > *Sent:* Tuesday, August 31, 2021 6:11 PM > *To:* Marcio B. > *Cc:* Squid Users

Re: [squid-users] Squid performance issues

2021-09-05 Thread Eliezer Croitoru
-users] Squid performance issues Hey Marcio, You will need to add a systemd service file that extends the current one with more FileDescriptors. I cannot guide now I do hope to be able to write later. If anyone is able to help faster go ahead. Eliezer בתאריך יום ג׳, 31 באוג׳

Re: [squid-users] Squid performance issues

2021-08-31 Thread L . P . H . van Belle
    Van: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] Namens NgTech LTD Verzonden: dinsdag 31 augustus 2021 17:11 Aan: Marcio B. CC: Squid Users Onderwerp: Re: [squid-users] Squid performance issues Hey Marcio, You will need to add a systemd service file that extends

Re: [squid-users] Squid performance issues

2021-08-31 Thread Klaus Brandl
look at your cache.log, after squid is starting, there you can see, how much filedescriptors are available: 2021/08/31 17:14:36.870 kid1| With 1024 file descriptors available Maybe there is a file like /etc/default/squid: SQUID_MAXFD=1024 Regards Klaus Am Dienstag, dem 31.08.2021 um 18:10

Re: [squid-users] Squid performance issues

2021-08-31 Thread NgTech LTD
Hey Marcio, You will need to add a systemd service file that extends the current one with more FileDescriptors. I cannot guide now I do hope to be able to write later. If anyone is able to help faster go ahead. Eliezer בתאריך יום ג׳, 31 באוג׳ 2021, 18:05, מאת Marcio B. ‏: > Hi, > > I

[squid-users] Squid performance issues

2021-08-31 Thread Marcio B.
Hi, I implemented a Squid server in version 4.6 on Debian and tested it for about 40 days. However I put it into production today and Internet browsing was extremely slow. In /var/log/syslog I'm getting the following messages: Aug 31 11:29:19 srvproxy squid[4041]: WARNING! Your cache is running

Re: [squid-users] Squid performance 3.5.20 → 3.5.23

2017-01-25 Thread Stephen Baynes
Looks like this was a false alarm. The test environment I was using had some random fluctuations in the results. I assumed they averaged out over multiple test runs. However it looks as if I got some bad rolls of the dice and they did not. I have now a modified test which has <1% variation over

Re: [squid-users] Squid performance 3.5.20 → 3.5.23

2017-01-13 Thread Yuri
"Premature optimization is root of all evlis". 13.01.2017 16:10, Stephen Baynes пишет: Is there a known performance fall off going 3.5.20 → 3.5.23? I am seeing a 15% to 20% performance drop on my normal download benchmark and a crude test of uploading shows a few percent slowdown. Running

[squid-users] Squid performance 3.5.20 → 3.5.23

2017-01-13 Thread Stephen Baynes
Is there a known performance fall off going 3.5.20 → 3.5.23? I am seeing a 15% to 20% performance drop on my normal download benchmark and a crude test of uploading shows a few percent slowdown. Running on a Linux derived from Debian. Thanks -- Stephen Baynes

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-05 Thread Amos Jeffries
On 4/08/2016 11:55 p.m., brendan kearney wrote: > At what point does buffer bloat set in? I have a linux router with the > below sysctl tweaks load balancing with haproxy to 2 squid instances. I > have 4 x 1Gb interfaces bonded and have bumped the ring buffers on RX and > TX to 1024 on all

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-04 Thread Marcus Kool
On 08/04/2016 10:08 AM, Heiler Bemerguy wrote: Sorry Amos, but I've tested with modifying JUST these two sysctl parameters and the difference is huge. Without maximum tcp buffers set to 8MB, I got a 110KB/s download speed, and with a 8MB kernel buffer I got a 9.5MB/s download speed (via

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-04 Thread Heiler Bemerguy
Sorry Amos, but I've tested with modifying JUST these two sysctl parameters and the difference is huge. Without maximum tcp buffers set to 8MB, I got a 110KB/s download speed, and with a 8MB kernel buffer I got a 9.5MB/s download speed (via squid, of course). I think it has to do with the

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-04 Thread brendan kearney
At what point does buffer bloat set in? I have a linux router with the below sysctl tweaks load balancing with haproxy to 2 squid instances. I have 4 x 1Gb interfaces bonded and have bumped the ring buffers on RX and TX to 1024 on all interfaces. The squid servers run with almost the same

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-04 Thread Amos Jeffries
On 4/08/2016 2:32 a.m., Heiler Bemerguy wrote: > > I think it doesn't really matter how much squid sets its default buffer. > The linux kernel will upscale to the maximum set by the third option. > (and the TCP Window Size will follow that) > > net.ipv4.tcp_wmem = 1024 32768 8388608 >

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-03 Thread Marcus Kool
On 08/03/2016 10:27 AM, Amos Jeffries wrote: On 3/08/2016 9:45 p.m., Marcus Kool wrote: On 08/03/2016 12:30 AM, Amos Jeffries wrote: If thats not fast enough, you may also wish to patch in a larger value for HTTP_REQBUF_SZ in src/defines.h to 64KB with a matching incease to

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-03 Thread Heiler Bemerguy
I think it doesn't really matter how much squid sets its default buffer. The linux kernel will upscale to the maximum set by the third option. (and the TCP Window Size will follow that) net.ipv4.tcp_wmem = 1024 32768 8388608 net.ipv4.tcp_rmem = 1024 32768 8388608 -- Best Regards, Heiler

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-03 Thread Amos Jeffries
On 3/08/2016 9:45 p.m., Marcus Kool wrote: > > > On 08/03/2016 12:30 AM, Amos Jeffries wrote: > > >> If thats not fast enough, you may also wish to patch in a larger value >> for HTTP_REQBUF_SZ in src/defines.h to 64KB with a matching incease to >> read_ahead_gap in squid.conf. That has had

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-03 Thread Marcus Kool
On 08/03/2016 12:30 AM, Amos Jeffries wrote: If thats not fast enough, you may also wish to patch in a larger value for HTTP_REQBUF_SZ in src/defines.h to 64KB with a matching incease to read_ahead_gap in squid.conf. That has had some mixed results though, faster traffic, but also some

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-02 Thread Amos Jeffries
On 3/08/2016 2:42 p.m., Heiler Bemerguy wrote: > > in /etc/sysctl.conf, add: > > net.core.rmem_max = 8388608 > net.core.wmem_max = 8388608 > net.core.wmem_default = 32768 > net.core.rmem_default = 32768 > net.ipv4.tcp_wmem = 1024 32768 8388608 > net.ipv4.tcp_rmem = 1024 32768 8388608 > PLease

Re: [squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-02 Thread Heiler Bemerguy
in /etc/sysctl.conf, add: net.core.rmem_max = 8388608 net.core.wmem_max = 8388608 net.core.wmem_default = 32768 net.core.rmem_default = 32768 net.ipv4.tcp_wmem = 1024 32768 8388608 net.ipv4.tcp_rmem = 1024 32768 8388608 -- Best Regards, Heiler Bemerguy Network Manager - CINBESA 55 91

[squid-users] Squid performance not able to drive a 1Gbps internet link

2016-08-02 Thread Paul van Tuel
Hi All, We've been running Squid for many years. Recently we upgraded our internet link to a 1Gbps link, but we are finding that squid is not able to drive this link to its full potential (previous links have been 30Mbps or 100Mbps). Currently running squid 3.5.1, but have tried 3.4, 3.3, 3.2

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Ahmed Talha Khan
I want to share the results with the community on the squid wikis. How to do that? We are collecting some ad-hoc benchmark details for Squid releases at http://wiki.squid-cache.org/KnowledgeBase/Benchmarks. So far this is not exactly a rigourous testing, although following the methodology

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Ahmed Talha Khan
On Thu, Jun 20, 2013 at 5:21 PM, Marcus Kool marcus.k...@urlfilterdb.com wrote: On 06/20/2013 06:51 AM, Amos Jeffries wrote: If anyone is interested with very detailed benchmarks, then I can provide them. Yes please :-) PS. could you CC the squid-dev mailing list as well with the

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Ahmed Talha Khan
On Fri, Jun 21, 2013 at 10:41 AM, Alex Rousskov rouss...@measurement-factory.com wrote: On 06/20/2013 10:47 PM, Ahmed Talha Khan wrote: On Fri, Jun 21, 2013 at 6:17 AM, Alex Rousskov wrote: On 06/20/2013 02:00 AM, Ahmed Talha Khan wrote: My test methodology looks like this generator(apache

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Ahmed Talha Khan
I understand that Amos is eager to get more tests and more results about the latest enhancements, but as Amos himself also stated earlier, please use a released version of Squid for testing since the test results for 3.3.x or 3.4.x are interesting for admins of Squid who can consider

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Alex Rousskov
On 06/21/2013 04:34 AM, Ahmed Talha Khan wrote: Then the question becomes why squid is slowing down? I think there are 2.5 primary reasons for that: 1) Higher concurrency level (c in your tables) means more waiting/queuing time for each transaction: When [a part of] one transaction has to

Re: [squid-users] Squid performance profiling

2013-06-21 Thread Amos Jeffries
On 21/06/2013 10:34 p.m., Ahmed Talha Khan wrote: On Fri, Jun 21, 2013 at 10:41 AM, Alex Rousskov rouss...@measurement-factory.com wrote: On 06/20/2013 10:47 PM, Ahmed Talha Khan wrote: On Fri, Jun 21, 2013 at 6:17 AM, Alex Rousskov wrote: On 06/20/2013 02:00 AM, Ahmed Talha Khan wrote: My

[squid-users] Squid performance profiling

2013-06-20 Thread Ahmed Talha Khan
Hello All, I have been trying to benchmark the performance of squid for sometime now for plain HTTP and HTTPS traffic. The key performance indicators that i am looking at are Requests Per Second(RPS), Throughput(mbps) and Latency (ms). My test methodology looks like this generator(apache

Re: [squid-users] Squid performance profiling

2013-06-20 Thread Amos Jeffries
On 20/06/2013 8:00 p.m., Ahmed Talha Khan wrote: Hello All, I have been trying to benchmark the performance of squid for sometime now for plain HTTP and HTTPS traffic. The key performance indicators that i am looking at are Requests Per Second(RPS), Throughput(mbps) and Latency (ms). My test

Re: [squid-users] Squid performance profiling

2013-06-20 Thread Marcus Kool
On 06/20/2013 06:51 AM, Amos Jeffries wrote: If anyone is interested with very detailed benchmarks, then I can provide them. Yes please :-) PS. could you CC the squid-dev mailing list as well with the details. The more developer eyes we can get on this data the better. Although please

Re: [squid-users] Squid performance profiling

2013-06-20 Thread Alex Rousskov
On 06/20/2013 02:00 AM, Ahmed Talha Khan wrote: My test methodology looks like this generator(apache benchmark)---squid--server(lighttpd) ... These results show that squid is NOT CPU bound at this point. Neither is it Network IO bound because i can get much more throughput when I

Re: [squid-users] Squid performance profiling

2013-06-20 Thread Ahmed Talha Khan
On Fri, Jun 21, 2013 at 6:17 AM, Alex Rousskov rouss...@measurement-factory.com wrote: On 06/20/2013 02:00 AM, Ahmed Talha Khan wrote: My test methodology looks like this generator(apache benchmark)---squid--server(lighttpd) ... These results show that squid is NOT CPU bound at this

Re: [squid-users] Squid performance profiling

2013-06-20 Thread Alex Rousskov
On 06/20/2013 10:47 PM, Ahmed Talha Khan wrote: On Fri, Jun 21, 2013 at 6:17 AM, Alex Rousskov wrote: On 06/20/2013 02:00 AM, Ahmed Talha Khan wrote: My test methodology looks like this generator(apache benchmark)---squid--server(lighttpd) ... These results show that squid is NOT

Re: [squid-users] Squid performance with high load

2013-03-31 Thread Hasanen AL-Bana
On Sun, Mar 31, 2013 at 3:20 AM, Amos Jeffries squ...@treenet.co.nz wrote: On 31/03/2013 9:07 a.m., Hasanen AL-Bana wrote: The above config for cache_dirs is not working probably. You are top-posting. . Why? .. There is no above config. Sorry , it is the new gmail composer... I can see

Re: [squid-users] Squid performance with high load

2013-03-30 Thread Amos Jeffries
On 30/03/2013 6:33 a.m., Hasanen AL-Bana wrote: Hi, I am running squid 3.2 with an average of 50k req/min. Total received bandwidth is around 200mbit/s. I have problem when my aufs cache_dirs reaches size above 600GB. Traffic starts dropping and going up again , happening every 20~30 minutes. I

Re: [squid-users] Squid performance with high load

2013-03-30 Thread Hasanen AL-Bana
Thank you Amos for clarifying these issues. I will skip SMP and use single worker since Rock limit my max object size to 32kb when used in shared environments. My new cache_dir configuration looks like this now : cache_dir rock /mnt/ssd/cache/ 30 max-size=131072 cache_dir aufs

Re: [squid-users] Squid performance with high load

2013-03-30 Thread Hasanen AL-Bana
The above config for cache_dirs is not working probably. I can see the aufs dir growing rapidly while the Rock directory has been created but it is empty ! --- Store Directory Statistics: Store Entries : 1166040

Re: [squid-users] Squid performance with high load

2013-03-30 Thread Amos Jeffries
On 31/03/2013 9:07 a.m., Hasanen AL-Bana wrote: The above config for cache_dirs is not working probably. You are top-posting. . Why? .. There is no above config. I can see the aufs dir growing rapidly while the Rock directory has been created but it is empty !

[squid-users] Squid performance with high load

2013-03-29 Thread Hasanen AL-Bana
Hi, I am running squid 3.2 with an average of 50k req/min. Total received bandwidth is around 200mbit/s. I have problem when my aufs cache_dirs reaches size above 600GB. Traffic starts dropping and going up again , happening every 20~30 minutes. I have more that enough RAM in the system (125GB

[squid-users] squid performance is low because only 1 cpu is being used !!!!

2013-03-05 Thread Ahmad
hi ,. i have centos 64 bit with kernel 3.7.5 compiled with tproxy features . i noted that in rush hour , squid squid guard is bypassing . i noted that squid is using only 1 cpu . here is output sample: === [root@squid squid-3.3.1]# mpstat -u Linux 3.7.5 (squid) 03/05/2013

Re: [squid-users] squid performance is low because only 1 cpu is being used !!!!

2013-03-05 Thread Amos Jeffries
On 6/03/2013 3:14 a.m., Ahmad wrote: hi ,. i have centos 64 bit with kernel 3.7.5 compiled with tproxy features . i noted that in rush hour , squid squid guard is bypassing . Are you basing that on the detected possible bypass attack messages mentioned in threads from days back? ... that

[squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
I have some Dell 1950 servers dedicated to squid in my production environment. Each with 16GB RAM and 300G disk As the website traffic grows, the load of squid becomes high at high traffic time. Average load is higher than 10. Device: rrqm/s wrqm/s r/s w/srkB/swkB/s avgrq-sz

Re: [squid-users] squid performance tunning

2011-08-18 Thread Łukasz Makowski
W dniu 2011-08-18 08:19, Chen Bangzhong pisze: I have some Dell 1950 servers dedicated to squid in my production environment. Each with 16GB RAM and 300G disk As the website traffic grows, the load of squid becomes high at high traffic time. Average load is higher than 10. Device:

Re: [squid-users] squid performance tunning

2011-08-18 Thread Drunkard Zhang
Median Service Times (seconds)  5 min    60 min:        HTTP Requests (All):   0.00865  0.00865        Cache Misses:          0.01035  0.01035        Cache Hits:            0.0  0.0        Near Hits:             0.00091  0.00091        Not-Modified Replies:  0.0  0.0        

Re: [squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
My cached objects will expire after 10 minutes. Cache-Control:max-age=600 I don't know why there are so many disk writes and there are so many objects on disk. In addtion, Disk hits as % of hit requests: 5min: 1.6%, 60min: 1.9% is very low. Can I increase the cache_mem? or not use disk cache

Re: [squid-users] squid performance tunning

2011-08-18 Thread Drunkard Zhang
2011/8/18 Chen Bangzhong bangzh...@gmail.com: My cached objects will expire after 10 minutes. Cache-Control:max-age=600 Static content like pictures should cache longer, like 1 day, 86400. I don't know why there are so many disk writes and there are so many objects on disk. In addtion,

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: My cached objects will expire after 10 minutes. Cache-Control:max-age=600 Static content like pictures should cache longer, like 1 day, 86400. Could also be a whole year. If you control the origin website, set caching

Re: [squid-users] squid performance tunning

2011-08-18 Thread Drunkard Zhang
2011/8/18 Amos Jeffries squ...@treenet.co.nz: On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: My cached objects will expire after 10 minutes. Cache-Control:max-age=600 Static content like pictures should cache longer, like 1 day, 86400. Could also be a whole year. If

Re: [squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
thanks you Amos and Drunkard. My website hosts novels, That's, user can read novel there. The pages are not truely static contents, so I can only cache them for 10 minutes. My squids serve both non-cachable requests (works like nginx) and cachable-requests (10 min cache). So 60% cache miss is

Re: [squid-users] squid performance tunning

2011-08-18 Thread Kaiwang Chen
2011/8/18 Amos Jeffries squ...@treenet.co.nz: On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: My cached objects will expire after 10 minutes. Cache-Control:max-age=600 Static content like pictures should cache longer, like 1 day, 86400. Could also be a whole year. If

Re: [squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
Mean Object Size: 20.61 K maximum_object_size_in_memory 1024 KB So most objects will be save in RAM first, still can't explain why there are so many disk writes. avg-cpu: %user %nice %system %iowait %steal %idle 1.520.001.636.950.00 89.91 Device:

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 18/08/11 22:50, Chen Bangzhong wrote: thanks you Amos and Drunkard. My website hosts novels, That's, user can read novel there. The pages are not truely static contents, so I can only cache them for 10 minutes. My squids serve both non-cachable requests (works like nginx) and

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 18/08/11 22:56, Chen Bangzhong wrote: Mean Object Size: 20.61 K maximum_object_size_in_memory 1024 KB So most objects will be save in RAM first, still can't explain why there are so many disk writes. Well, I would check the HTTP response headers there. Make sure they are

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 18/08/11 22:53, Kaiwang Chen wrote: 2011/8/18 Amos Jeffriessqu...@treenet.co.nz: On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: snip I don't know why there are so many disk writes and there are so many objects on disk. All traffic goes through either RAM cache

Re: [squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
thanks. Before I try the gateway squid solution, I want to change one of my squid to use memory cache only. I have 16GB RAM. now cache_mem is set to 5GB. I will try to increase it to 12GB and set cache_dir to null schma. I do this because I am sure that my hot objects can be saved in RAM,

Re: [squid-users] squid performance tunning

2011-08-18 Thread Kaiwang Chen
2011/8/18 Amos Jeffries squ...@treenet.co.nz: On 18/08/11 22:53, Kaiwang Chen wrote: 2011/8/18 Amos Jeffriessqu...@treenet.co.nz: On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: snip I don't know why there are so many disk writes and there are so many objects on

Re: [squid-users] squid performance tunning

2011-08-18 Thread Kaiwang Chen
在 2011年8月18日 下午9:07,Amos Jeffries squ...@treenet.co.nz 写道: On 18/08/11 22:56, Chen Bangzhong wrote: Mean Object Size: 20.61 K maximum_object_size_in_memory 1024 KB So most objects will be save in RAM first, still can't explain why there are so many disk writes. Well, I would check

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 19/08/11 02:40, Kaiwang Chen wrote: 2011/8/18 Amos Jeffriessqu...@treenet.co.nz: On 18/08/11 22:53, Kaiwang Chen wrote: 2011/8/18 Amos Jeffriessqu...@treenet.co.nz: On 18/08/11 19:40, Drunkard Zhang wrote: 2011/8/18 Chen Bangzhong: snip I don't know why there are so many disk

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 19/08/11 02:10, Chen Bangzhong wrote: thanks. Before I try the gateway squid solution, I want to change one of my squid to use memory cache only. I have 16GB RAM. now cache_mem is set to 5GB. I will try to increase it to 12GB and set cache_dir to null schma. I do this because I am sure that

Re: [squid-users] squid performance tunning

2011-08-18 Thread Chen Bangzhong
Amos, I want to find out what is filling my disk at 2-3MB/s. If there is no cache related information in the response header, will squid write the response to the disk? In squid wiki, I found the following sentences: Responses with Cache-Control: Private are NOT cachable. Responses with

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 19/08/11 02:59, Kaiwang Chen wrote: 在 2011年8月18日 下午9:07,Amos Jeffriessqu...@treenet.co.nz 写道: On 18/08/11 22:56, Chen Bangzhong wrote: Mean Object Size: 20.61 K maximum_object_size_in_memory 1024 KB So most objects will be save in RAM first, still can't explain why there are so many

Re: [squid-users] squid performance tunning

2011-08-18 Thread Amos Jeffries
On 19/08/11 03:58, Chen Bangzhong wrote: Amos, I want to find out what is filling my disk at 2-3MB/s. If there is no cache related information in the response header, will squid write the response to the disk? In squid wiki, I found the following sentences: Responses with Cache-Control:

[squid-users] squid performance

2010-10-22 Thread Ananth
Dear team, I run a Squid Cache: Version 3.1.8. i have a problem when my client_http.requests = is more than 200/sec. pages doesn't browse but when the request are less than 200 i dont find any problem. i don't see any errors in /etc/var/squid/cache.log. my file descriptors is 32768. Please find

Re: [squid-users] squid performance

2010-10-22 Thread Amos Jeffries
On 23/10/10 03:01, Ananth wrote: Dear team, I run a Squid Cache: Version 3.1.8. i have a problem when my client_http.requests = is more than 200/sec. pages doesn't browse but when the request are less than 200 i dont find any problem. i don't see any errors in /etc/var/squid/cache.log. my file

Re: [squid-users] squid performance - requests per second

2010-04-06 Thread Amos Jeffries
饶琛琳 wrote: I have seem the page(http://wiki.squid-cache.org/KnowledgeBase/Benchmarks), and want to ask a question about the RPS. My LVS tell me that the ActiveConn number of one squid is more than 200,000;the netstat command tell me the established connection number is 6;but the RPS from

Re: [squid-users] squid performance - requests per second

2010-04-01 Thread 饶琛琳
I have seem the page(http://wiki.squid-cache.org/KnowledgeBase/Benchmarks), and want to ask a question about the RPS. My LVS tell me that the ActiveConn number of one squid is more than 200,000;the netstat command tell me the established connection number is 6;but the RPS from squidclient

Re: [squid-users] squid performance - requests per second

2010-03-29 Thread Amos Jeffries
guest01 wrote: Hi guys, I am sorry if this is a question which has been asked for many times, but I did not find any actual question concerning the performance of recent versions of squid. We are trying to replace a commercial product with squid servers on 64bit linux servers (most likely red

[squid-users] squid performance - requests per second

2010-03-26 Thread guest01
Hi guys, I am sorry if this is a question which has been asked for many times, but I did not find any actual question concerning the performance of recent versions of squid. We are trying to replace a commercial product with squid servers on 64bit linux servers (most likely red hat 5). At the

Re: [squid-users] Squid performance issues

2010-01-27 Thread Amos Jeffries
Felipe W Damasio wrote: Hi Mr. Robertson, 2010/1/26 Chris Robertson crobert...@gci.net: Do you have any idea or any other data I can collect to try and track down this? Check your log rotation schedule. Is it possible that logs are being rotated at midnight? I think that the swap.state

Re: [squid-users] Squid performance issues

2010-01-27 Thread Felipe W Damasio
(2.6.29.6) now, in case it's something broke in the more recent kernels. -Original Message- From: Felipe W Damasio [mailto:felip...@gmail.com] Sent: Monday, January 25, 2010 10:06 PM To: John Lauro Cc: squid-users@squid-cache.org Subject: Re: [squid-users] Squid performance issues

RE: [squid-users] Squid performance issues

2010-01-27 Thread John Lauro
Both your CPU and disk both look ok based on these, and not enough difference from baseline to explain the change in timing of the command. I'll look at the netstats a little more later to see if I spot anything. Can you test the equivalent outside of squid? Maybe it's just your internet or

Re: [squid-users] Squid performance issues

2010-01-27 Thread Felipe W Damasio
Hi Mr. Lauro, 2010/1/27 John Lauro john.la...@covenanteyes.com: I'll look at the netstats a little more later to see if I spot anything. Can you test the equivalent outside of squid?  Maybe it's just your internet or amazon being slow and it has nothing to do with squid...? I thought

Re: [squid-users] Squid performance issues

2010-01-26 Thread Chris Robertson
Felipe W Damasio wrote: Hi all, Sorry for the long email. I'm using squid on a 300Mbps ISP with about 10,000 users. I have an 8-core I7 Intel processor-machine, with 8GB of RAM and 500 of HD for the cache. (exclusive Sata HD with xfs). Using aufs as storeio. I'm caching mostly

Re: [squid-users] Squid performance issues

2010-01-26 Thread Felipe W Damasio
Hi Mr. Robertson, 2010/1/26 Chris Robertson crobert...@gci.net:  Do you have any idea or any other data I can collect to try and track down this? Check your log rotation schedule.  Is it possible that logs are being rotated  at midnight?  I think that the swap.state file is rewritten when

Re: [squid-users] Squid performance issues

2010-01-26 Thread Chris Robertson
Felipe W Damasio wrote: Hi Mr. Robertson, 2010/1/26 Chris Robertson crobert...@gci.net: Do you have any idea or any other data I can collect to try and track down this? Check your log rotation schedule. Is it possible that logs are being rotated at midnight? I think that the

Re: [squid-users] Squid performance issues

2010-01-26 Thread Felipe W Damasio
Hi Mr. Robertson, 2010/1/26 Chris Robertson crobert...@gci.net:  I don't use -k rotate. Err...  Really?  Last I heard, calling squid -k rotate (aside from the obvious logfile rotation) prunes the swap.state file.   Not doing so would lead to your swap.state growing without bounds.

Re: [squid-users] Squid performance issues

2010-01-26 Thread Chris Robertson
Felipe W Damasio wrote: Hi Mr. Robertson, 2010/1/26 Chris Robertson crobert...@gci.net: I don't use -k rotate. Err... Really? Last I heard, calling squid -k rotate (aside from the obvious logfile rotation) prunes the swap.state file. Not doing so would lead to your

[squid-users] Squid performance issues

2010-01-25 Thread Felipe W Damasio
Hi all, Sorry for the long email.  I'm using squid on a 300Mbps ISP with about 10,000 users.  I have an 8-core I7 Intel processor-machine, with 8GB of RAM and 500 of HD for the cache. (exclusive Sata HD with xfs). Using aufs as storeio.  I'm caching mostly multimedia files (youtube and

RE: [squid-users] Squid performance issues

2010-01-25 Thread John Lauro
narrow it down. -Original Message- From: Felipe W Damasio [mailto:felip...@gmail.com] Sent: Monday, January 25, 2010 9:37 PM To: squid-users@squid-cache.org Subject: [squid-users] Squid performance issues Hi all, Sorry for the long email.  I'm using squid on a 300Mbps ISP

Re: [squid-users] Squid performance issues

2010-01-25 Thread Felipe W Damasio
Hi Mr. John, 2010/1/26 John Lauro john.la...@covenanteyes.com: What does the following give: uname -a uname -a: Linux squid 2.6.29.6 #4 SMP Thu Jan 14 21:00:42 BRST 2010 x86_64 Intel(R) Core(TM) i7 CPU @ 9200 @ 2.67GHz GenuineIntel GNU/Linux While it's being slow, run the following to get

Re: [squid-users] squid performance

2009-10-18 Thread Luis Daniel Lucio Quiroz
Le lundi 12 octobre 2009 10:11:03, Jason Martina a écrit : Hello, Well im looking for a better solution than MS ISA proxy, we have 3000 users that uses 4 ISA proxy servers, and its a managment nightmare so im going to attempt to use squid+dansguardian, on the squid side of things i cant

Re: [squid-users] squid performance

2009-10-15 Thread donovan jeffrey j
On Oct 12, 2009, at 11:11 AM, Jason Martina wrote: Hello, Well im looking for a better solution than MS ISA proxy, we have 3000 users that uses 4 ISA proxy servers, and its a managment nightmare so im going to attempt to use squid+dansguardian, on the squid side of things i cant find

Re: [squid-users] squid performance

2009-10-15 Thread Mike Rambo
donovan jeffrey j wrote: On Oct 12, 2009, at 11:11 AM, Jason Martina wrote: Hello, Well im looking for a better solution than MS ISA proxy, we have 3000 users that uses 4 ISA proxy servers, and its a managment nightmare so im going to attempt to use squid+dansguardian, on the squid side of

[squid-users] squid performance

2009-10-12 Thread Jason Martina
Hello,  Well im looking for a better solution than MS ISA proxy, we have 3000 users that uses 4 ISA proxy servers, and its a managment nightmare so im going to attempt to use squid+dansguardian, on the squid side of things i cant find anything about using it in a large orginization and with the

Re: [squid-users] squid performance

2009-10-12 Thread Ralf Hildebrandt
* Jason Martina jason.mart...@gmail.com: Hello,  Well im looking for a better solution than MS ISA proxy, we have 3000 users that uses 4 ISA proxy servers, and its a managment nightmare so im going to attempt to use squid+dansguardian, on the squid side of things i cant find anything about

[squid-users] Squid performance in serving video files?

2009-10-03 Thread Ryan Chan
Hello, As far as I know, Squid is a single process, single threaded program. So is Squid good for serviing large video download (e.g. 10MB+), will be block other download? Thanks.

Re: [squid-users] Squid performance in serving video files?

2009-10-03 Thread Amos Jeffries
Ryan Chan wrote: Hello, As far as I know, Squid is a single process, single threaded program. So is Squid good for serviing large video download (e.g. 10MB+), will be block other download? Thanks. No. Two or more files can be served at the same time. Squid is built in a non-blocking design

Re: [squid-users] Squid performance in serving video files?

2009-10-03 Thread Ryan Chan
Hey On Sun, Oct 4, 2009 at 10:34 AM, Amos Jeffries squ...@treenet.co.nz wrote: No. Two or more files can be served at the same time. Squid is built in a non-blocking design that does multi-threaded things internally without using OS threads. Amos Is it using epoll?

Re: [squid-users] Squid performance in serving video files?

2009-10-03 Thread Amos Jeffries
Ryan Chan wrote: Hey On Sun, Oct 4, 2009 at 10:34 AM, Amos Jeffries squ...@treenet.co.nz wrote: No. Two or more files can be served at the same time. Squid is built in a non-blocking design that does multi-threaded things internally without using OS threads. Amos Is it using epoll? If

[squid-users] Squid Performance Tuning with 0 IO Wait

2009-03-12 Thread Ben Jonston
Hi Everyone, I am currently doing performance testing with squid 3 and I seem to be running into some bottlenecks. I have done exhaustive research through the squid mail archives, Duane Wessels O'reilly book(a great resource) and other areas. I have a dual hyperthreading Xeon machine with 8GB

[squid-users] Squid Performance Tuning with 0% IO Wait

2009-03-10 Thread Ben Jonston
Hi Everyone, I am currently doing performance testing with squid 3 and I seem to be running into some bottlenecks. I have done exhaustive research through the squid mail archives, Duane Wessels O'reilly book(a great resource) and other areas. I have a dual hyperthreading Xeon machine with 8GB

[squid-users] Squid performance regression with recent 2.6.26/2.6.28 kernels

2009-02-19 Thread Apps On The Move
Hello, I am using a customized Web Polygraph recipe based on polymix4 to benchmark Squid 2.7STABLE6. With Linux kernel 2.6.23.8 the benchmark indicates that our hardware will allow for approximately 1000 requests per second. When the kernel is switched to 2.6.28.5 the benchmark indicates a likely

Re: [squid-users] Squid performance... RAM or CPU?

2008-07-03 Thread Henrik Nordstrom
On ons, 2008-07-02 at 18:12 -0500, Carlos Alberto Bernat Orozco wrote: Why I'm making this question, because when I installed squid for 120 users, the ram went to the sky ram usage is not very dependent on the amount of users, more on how you configure Squid. There is a whole chapter in

[squid-users] Squid performance for 600 users

2008-07-02 Thread Carlos Alberto Bernat Orozco
Hi group I wonder if a debian box with 1Gb RAM could run squid to block child porn sites for 600 users aprox. Is possible? would be good? a checklist to know the requisites for squid? Thanks in advanced

RE: [squid-users] Squid performance for 600 users

2008-07-02 Thread Jonathan Chretien
@squid-cache.org Subject: [squid-users] Squid performance for 600 users Hi group I wonder if a debian box with 1Gb RAM could run squid to block child porn sites for 600 users aprox. Is possible? would be good? a checklist to know the requisites for squid? Thanks in advanced

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