Re: Selectively Disable HTTP/2

2021-02-26 Thread Hongfei Zhang
-guide/files/ssl_server_name.yaml.en.html > ("disable_h2") > > Thanks. > > On Fri, Feb 26, 2021 at 9:22 AM Hongfei Zhang > wrote: > > > > Sweet, thanks. Is this available in 8.1.x or 9.x? > > > > > On Feb 26, 2021, at 12:16 PM, Shu Kit Chan >

Re: Selectively Disable HTTP/2

2021-02-26 Thread Hongfei Zhang
> Thanks. > > On Fri, Feb 26, 2021 at 9:07 AM Hongfei Zhang wrote: >> >> Hi, >> >> Is there a configurable option to disable http/2 at service (remap) level? >> If we don’t have that today, is developing a remap plugin the right idea ( I >> am

Selectively Disable HTTP/2

2021-02-26 Thread Hongfei Zhang
Hi, Is there a configurable option to disable http/2 at service (remap) level? If we don’t have that today, is developing a remap plugin the right idea ( I am guessing the session handling executed before the remap plugin, making it impossible to change/negotiate protocol in plugins) Thanks, -

Re: ATS Memory Usage Steady Increase

2021-01-11 Thread Hongfei Zhang
xy.config.ssl.session_cache.size*. > > On Thu, Dec 17, 2020 at 1:52 PM Hongfei Zhang wrote: > >> Hi Folks, >> >> Based on information provided >> https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/performance/index.en.html#memory-allocation >> and >

ATS Memory Usage Steady Increase

2020-12-17 Thread Hongfei Zhang
Hi Folks,Based on information provided https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/performance/index.en.html#memory-allocation and with a fixed ram_cache.size setting (32GB), we expected the memory usage to be plateaued a couple of days usage.    This is not however what we saw in mu

Re: Traffic Storm After Parent Proxy Loss & Recovery

2020-09-30 Thread Hongfei Zhang
t loop > scenarios when dealing with the connection limit in ATS as well so I'd > recommend moving to at least 7.1.8 > > On Wed, Sep 30, 2020 at 12:07 PM Hongfei Zhang wrote: >> >> Hi Folks, >> >> In a 2-tier CDN production environment using ATS, we rece

Traffic Storm After Parent Proxy Loss & Recovery

2020-09-30 Thread Hongfei Zhang
Hi Folks, In a 2-tier CDN production environment using ATS, we recently had a series of issues that I want to reach out to the community for help. The symptoms usually shows up on edge caches as: 1) elevated CPU - noticeable, but not 'through the roof' 2) unusually high ingress