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Date: Mon, 5 Jun 2017 15:30:47 -0700 (PDT)
From: andytaylor <andy.tayls67@gmail.com>
To: users@activemq.apache.org
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Subject: Re: why AvtiveMq is slowly than Kafka?
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archived-at: Mon, 05 Jun 2017 22:46:06 -0000

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well said

On 5 June 2017 at 12:31, christopher.l.shannon [via ActiveMQ] <
ml+s2283324n4727011h21@n4.nabble.com> wrote:

> You can't compare Kafka to a JMS type message broker.  Kafka is completely
> different.
>
> Kafka is a system that scales horizontally and is essentially a big
> write-ahead log and breaks up the topics into partitions across many
> servers so they can be scanned concurrently.   This allows insane message
> rates but the trade off is that the feature set is much less...there are
> no
> features like message acknowledgement (messages are not deleted, they are
> aged off and a client can seek to any point in the log), message
> expiration, scheduled messages, transactions (although transaction support
> is currently being worked on) etc which offloads a lot of work that a
> typical message broker has to do.   Kafka clusters can scale to thousands
> of nodes and handle millions of messages per second.
>
> Any standalone broker like ActiveMQ, Artemis, etc is going to be measured
> at a rate of thousands per second.
>
> On Sat, Jun 3, 2017 at 3:13 PM, Clebert Suconic <[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4727011&i=0>>
> wrote:
>
> > For the use case you're after. (No hard syncs). Mmap is a good
> candidate.
> > Probably better.
> >
> >
> > Libaio was engineered the case where you hard sync with callbacks from
> the
> > Linux os
> > On Sat, Jun 3, 2017 at 12:46 PM wangqinghuan <[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4727011&i=1>> wrote:
> >
> > > hi clebertsuconic:
> > > i read the blog
> > > https://activemq.apache.org/artemis/docs/2.1.0/persistence.html
> > > By default Apache ActiveMQ Artemis will try and use an AIO journal.But
> it
> > > seems like that Mmap is also a good implemention.which one gives more
> > > performance?
> > >
> > >
> > >
> > > --
> > > View this message in context:
> > > http://activemq.2283324.n4.nabble.com/why-AvtiveMq-is-
> slowly-than-Kafka-
> > tp4726911p4726992.html
> > > Sent from the ActiveMQ - User mailing list archive at Nabble.com.
> > >
> > --
> > Clebert Suconic
> >
>
>
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