Re: Session ID monitoring

2020-03-09 Thread 김상철
Thank you for your answer.
I am going to use Tomcat and Memcached to do Session Clustering. The 
configuration is complete  but I don't know how to check SessionID in 
Memcached.
Do you have any related commands?

2020년 3월 10일 화요일 오전 4시 8분 13초 UTC+9, Dormando 님의 말:
>
> Hey, 
>
> I'm not completely sure on what you're trying to do, but there's the 
> `watch` command (see doc/protocol.txt). It's missing a log of log points 
> still but acts similar to redis monitor. Clients are identified by their 
> file descriptor, not any sort of unique session id. 
>
> On Mon, 9 Mar 2020, 김상철 wrote: 
>
> > I am going to use memcached. 
> > In memcached, I want to check the SessionID that is accessed from was. 
> Is there a command? 
> > For example, when you use Redis, you see the session ID coming in from 
> redis-cli to monitor. 
> > Is there a command that functions the same in memcached? 
> > 
> > Best regards 
> > 
> > -- 
> > 
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>  
>
> > 
> >

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Re: Session ID monitoring

2020-03-09 Thread dormando
Hey,

I'm not completely sure on what you're trying to do, but there's the
`watch` command (see doc/protocol.txt). It's missing a log of log points
still but acts similar to redis monitor. Clients are identified by their
file descriptor, not any sort of unique session id.

On Mon, 9 Mar 2020, 김상철 wrote:

> I am going to use memcached.
> In memcached, I want to check the SessionID that is accessed from was. Is 
> there a command?
> For example, when you use Redis, you see the session ID coming in from 
> redis-cli to monitor.
> Is there a command that functions the same in memcached?
>
> Best regards
>
> --
>
> ---
> You received this message because you are subscribed to the Google Groups 
> "memcached" group.
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>
>

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Re: Proposal for an open standard for memcached auto-discovery

2020-03-09 Thread 'Iqram Mahmud' via memcached
Thanks Dormando. I will update the doc and add another section for meta
protocol.

On Sun, Mar 8, 2020 at 9:33 PM dormando  wrote:

> Hey,
>
> So first part: https://github.com/memcached/memcached/wiki/ReleaseNotes160
>
> We won't be adding further features to the binary protocol, instead
> extending off of the new text based meta protocol. I'll be looking at
> your proposal more closely in a week or so now that 1.6.0 is out.
>
> -Dormando
>
> On Thu, 27 Feb 2020, dormando wrote:
>
> > Thanks for getting this started!
> >
> > It may take a while for me to review/think it over. I've been planning on
> > tackling this but have a lot of research to do.
> >
> > On Thu, 27 Feb 2020, 'Iqram Mahmud' via memcached wrote:
> >
> > > Hi Dormando and memcached community,
> > >
> > > I work in Google Cloud Platform and we want to propose an open
> standard for memcached node auto-discovery protocol that's independent of
> Cloud providers
> > > and can work with on-premise infrastructure as well. Auto-discovery
> protocol will allow engineering teams to scale up or down the node count of
> a
> > > memcached cluster without doing any client-side deployment. The design
> doc is here.
> > > If we don't have an open standard on this, we might end up with the
> situation where every Cloud provider will have their own protocol, causing
> a lot of
> > > migration pain to everyone else.
> > >
> > > We look forward to your comments. Once the design is final and
> approved by you, we'll start sending patches for memcached server and
> clients.
> > >
> > > Thanks,
> > > Iqram
> > >
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> .
> > >
> > >
> >
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Session ID monitoring

2020-03-09 Thread 김상철
I am going to use memcached.
In memcached, I want to check the SessionID that is accessed from was. Is 
there a command?
For example, when you use Redis, you see the session ID coming in from 
redis-cli to monitor.
Is there a command that functions the same in memcached?

Best regards

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Re: Is ARM64 officially supported ?

2020-03-09 Thread Martin Grigorov
Hi Dormando,

On Mon, Mar 9, 2020 at 9:19 AM Martin Grigorov 
wrote:

> Hi Dormando,
>
> On Fri, Mar 6, 2020 at 10:15 PM dormando  wrote:
>
>> Yo,
>>
>> Just to add in: yes we support ARM64. Though my build test platform is a
>> raspberry pi 3 and I haven't done any serious performance work.
>> packet.net
>> had an arm test platform program but I wasn't able to get time to do any
>> work.
>>
>> From what I hear it does seem to perform fine on high end ARM64 platforms,
>> I just can't do any specific perf work unless someone donates hardware.
>>
>
> I will talk with my managers!
> I think it should not be a problem to give you a SSH access to one of our
> machines.
> What specs do you prefer ? CPU, disks, RAM, network, ...
> VM or bare metal ?
> Preferred Linux flavor ?
>
> It would be good to compare it against whatever AMD64 instance you have.
> Or I can also ask for two similar VMs - ARM64 and AMD64.
>

My manager confirmed that we can give you access to an ARM64 machine. VM
would be easier to setup but bare metal is also possible.
Please tell me the specs you prefer.
We can give you access only temporarily though, i.e. we will have to shut
it down after you finish the testing, so it doesn't stay idle and waste
budget. Later if you need it we can allocate it again.
Would this work for you ?

Martin


>
>
> Martin
>
>
>>
>> -Dormando
>>
>> On Fri, 6 Mar 2020, Martin Grigorov wrote:
>>
>> > Hi Emilio,
>> >
>> > On Fri, Mar 6, 2020 at 9:14 AM Emilio Fernandes <
>> emilio.fernande...@gmail.com> wrote:
>> >   Thank you for sharing your experience, Martin!
>> > I've played for few days with Memcached on our ARM64 test servers and
>> so far I also didn't face any issues.
>> >
>> > Do you know of any performance benchmarks of Memcached on AMD64 and
>> ARM64 ? Or at least of a performance test suite that I can run myself ?
>> >
>> >
>> > I am not aware of any public benchmark results for Memcached on AMD64
>> vs ARM64.
>> > But quick search in Google returned these promising results:
>> > 1) https://github.com/memcached/mc-crusher
>> > 2) https://github.com/scylladb/seastar/wiki/Memcached-Benchmark
>> > 3) https://github.com/RedisLabs/memtier_benchmark
>> > 4) http://www.lmdb.tech/bench/memcache/
>> >
>> > I will try some of them next week and report back!
>> >
>> > Martin
>> >
>> >
>> > Gracias!
>> > Emilio
>> >
>> > сряда, 4 март 2020 г., 16:30:37 UTC+2, Martin Grigorov написа:
>> >   Hello Emilio!
>> > Welcome to this community!
>> >
>> > I am a regular user of Memcached and I can say that it works just fine
>> for us on ARM64!
>> > We are still at early testing stage but so far so good!
>> >
>> > I like the idea to have this mentioned on the website!
>> > It will bring confidence to more users!
>> >
>> > Regards,
>> > Martin
>> >
>> > On Wed, Mar 4, 2020 at 4:09 PM Emilio Fernandes 
>> wrote:
>> >   Hello Memcached community!
>> > I'd like to know whether ARM64 architecture is officially supported ?
>> > I've seen that Memcached is being tested on ARM64 at Travis but I do
>> not see anything on the website or in GitHub Wiki explicitly saying
>> > whether it is officially supported or not.
>> >
>> > Gracias!
>> > Emilio
>> >
>> > --
>> >
>> > ---
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>> Groups "memcached" group.
>> > To unsubscribe from this group and stop receiving emails from it, send
>> an email to memc...@googlegroups.com.
>> > To view this discussion on the web visit
>> >
>> https://groups.google.com/d/msgid/memcached/bb39d899-643b-4901-8188-a11138c37b82%40googlegroups.com
>> .
>> >
>> > --
>> >
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>> .
>> >
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>> >
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>> .
>> >
>> >
>>
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>>
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Re: Is ARM64 officially supported ?

2020-03-09 Thread Martin Grigorov
Hi Dormando,

On Fri, Mar 6, 2020 at 10:15 PM dormando  wrote:

> Yo,
>
> Just to add in: yes we support ARM64. Though my build test platform is a
> raspberry pi 3 and I haven't done any serious performance work. packet.net
> had an arm test platform program but I wasn't able to get time to do any
> work.
>
> From what I hear it does seem to perform fine on high end ARM64 platforms,
> I just can't do any specific perf work unless someone donates hardware.
>

I will talk with my managers!
I think it should not be a problem to give you a SSH access to one of our
machines.
What specs do you prefer ? CPU, disks, RAM, network, ...
VM or bare metal ?
Preferred Linux flavor ?

It would be good to compare it against whatever AMD64 instance you have. Or
I can also ask for two similar VMs - ARM64 and AMD64.


Martin


>
> -Dormando
>
> On Fri, 6 Mar 2020, Martin Grigorov wrote:
>
> > Hi Emilio,
> >
> > On Fri, Mar 6, 2020 at 9:14 AM Emilio Fernandes <
> emilio.fernande...@gmail.com> wrote:
> >   Thank you for sharing your experience, Martin!
> > I've played for few days with Memcached on our ARM64 test servers and so
> far I also didn't face any issues.
> >
> > Do you know of any performance benchmarks of Memcached on AMD64 and
> ARM64 ? Or at least of a performance test suite that I can run myself ?
> >
> >
> > I am not aware of any public benchmark results for Memcached on AMD64 vs
> ARM64.
> > But quick search in Google returned these promising results:
> > 1) https://github.com/memcached/mc-crusher
> > 2) https://github.com/scylladb/seastar/wiki/Memcached-Benchmark
> > 3) https://github.com/RedisLabs/memtier_benchmark
> > 4) http://www.lmdb.tech/bench/memcache/
> >
> > I will try some of them next week and report back!
> >
> > Martin
> >
> >
> > Gracias!
> > Emilio
> >
> > сряда, 4 март 2020 г., 16:30:37 UTC+2, Martin Grigorov написа:
> >   Hello Emilio!
> > Welcome to this community!
> >
> > I am a regular user of Memcached and I can say that it works just fine
> for us on ARM64!
> > We are still at early testing stage but so far so good!
> >
> > I like the idea to have this mentioned on the website!
> > It will bring confidence to more users!
> >
> > Regards,
> > Martin
> >
> > On Wed, Mar 4, 2020 at 4:09 PM Emilio Fernandes 
> wrote:
> >   Hello Memcached community!
> > I'd like to know whether ARM64 architecture is officially supported ?
> > I've seen that Memcached is being tested on ARM64 at Travis but I do not
> see anything on the website or in GitHub Wiki explicitly saying
> > whether it is officially supported or not.
> >
> > Gracias!
> > Emilio
> >
> > --
> >
> > ---
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> Groups "memcached" group.
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> an email to memc...@googlegroups.com.
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> >
> https://groups.google.com/d/msgid/memcached/bb39d899-643b-4901-8188-a11138c37b82%40googlegroups.com
> .
> >
> > --
> >
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> .
> >
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> .
> >
> >
>
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