Hi I just wanted to point out to Jakub's new book (which is free) that talks about both ActiveMQ and Kafka and how they are different http://www.jakubkorab.net/2017/06/new-book-understanding-message-brokers.html
On Mon, Jun 5, 2017 at 1:45 PM, Christopher Shannon <christopher.l.shan...@gmail.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 <clebert.suco...@gmail.com> > 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 <1095193...@qq.com> 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 >> -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2