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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Mon, 31 Oct 2016 13:37:45 -0000
Message-ID: <20161031133745.55214.66674@eos.apache.org>
Subject: =?utf-8?q?=5BIncubator_Wiki=5D_Update_of_=22RocketMQProposal=22_by_BruceS?=
 =?utf-8?q?nyder?=
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archived-at: Mon, 31 Oct 2016 13:37:55 -0000

Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Incubator Wiki" for=
 change notification.

The "RocketMQProposal" page has been changed by BruceSnyder:
https://wiki.apache.org/incubator/RocketMQProposal?action=3Ddiff&rev1=3D22&=
rev2=3D23

  =

  =3D=3D=3D Relationships with Other Apache Products =3D=3D=3D
  =

- RocketMQ is not currently integrated with any other ASF projects.It has d=
ifferent design goal, comparing with another apache messaging solutions, su=
ch as ActiveMQ and Kafka.details can see https://github.com/alibaba/RocketM=
Q/wiki/motivation =

+ RocketMQ is not currently integrated with any other ASF projects. Althoug=
h RocketMQ has some similarities to other ASF projects as a messaging serve=
r, it does have different design goals. Please see the table below providin=
g some context for simple comparison to some other Apache messaging project=
s at the ASF such as ActiveMQ and Kafka (apologies for the terrible MoinMoi=
n table formatting, its syntax is limited. For a much better formatted tabl=
e, please see the [[https://github.com/alibaba/RocketMQ/wiki/motivation|Roc=
ketMQ Github page]]).
+ =

+  ||'''Messaging Product'''||'''Protocol and Specification'''||'''Order Me=
ssage'''||'''Message Filter'''||'''Server Triggered Redelivery'''||'''Persi=
stent Messaging'''||'''Retroactive Consumers'''||'''Message Priority'''||''=
'High Availability and Failover'''||'''Message Tracking'''||'''Configuratio=
n'''||'''Management and Operation Tools'''||
+ =

+  || ActiveMQ || Push model, supports OpenWire, Stomp, AMQP, HTTP, JMS, MQ=
TT || Exclusive consumer or exclusive queues will ensure ordering || Suppor=
ted || Not Supported || Supports very fast persistence using JDBC along wit=
h a high performance journal=EF=BC=8Csuch as LevelDB and KahaDB || Supporte=
d || Supported || Supported, depending on storage, if Kahadb storage a ZooK=
eeper server is required, maybe trigger split brain after rebooting half of=
 a two-node cluster || Not Supported || The default configuration is low le=
vel, user need to optimize the configuration ||Supported ||
+ =

+  || Kafka || Pull model, supports TCP || Ensure ordering of messages with=
in a partition || Supported, you can use Kafka Streams to filter messages |=
| Not Supported || High performance file storage || Supported offset indica=
te || Not Supported || Supported, requires a ZooKeeper server || Not Suppor=
ted || Kafka uses key-value pairs format for configuration. These values ca=
n be supplied either from a file or programmatically. || Supported, use ter=
minal commands to expose core metrics ||
+ =

+  || RocketMQ || Pull model, supports TCP, HTTP, MQTT, JMS || Ensure stric=
t ordering of messages, have no hot spot problem and can scale out graceful=
ly || Supported, you can even upload yourself custom-built filter code snip=
pets || Supported || High performance and low latency file storage || Suppo=
rted timestamp and offset 2 indicates || Not Supported || Supported,Master-=
Slave model, without anther kit || Supported || || All configurations are o=
ff the shelf, user only needs to pay attention to a few configurations || S=
upported, rich web and terminal command to expose core metrics ||
  =

  =3D=3D=3D A Excessive Fascination with the Apache Brand =3D=3D=3D
 =20

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