<s>
Next	O
year	O
,	O
on	O
February	O
20	O
,	O
the	O
Apache	O
Software	O
Foundation	O
announced	O
Apache	B-Application
RocketMQ	I-Application
as	O
a	O
Top-Level	O
Project	O
.	O
</s>
<s>
It	O
paid	O
more	O
attention	O
to	O
stability	O
and	O
reliability	O
,	O
and	O
shows	O
a	O
comparable	O
performance	O
to	O
the	O
first	O
generation	O
in	O
response	O
time	O
and	O
Kafka	B-Language
on	O
log	O
collection	O
.	O
</s>
<s>
Much	O
comparison	O
have	O
been	O
made	O
between	O
the	O
various	O
messaging	O
solutions	O
,	O
and	O
it	O
is	O
widely	O
known	O
that	O
when	O
the	O
number	O
of	O
topics	O
increases	O
dramatically	O
,	O
the	O
throughput	O
of	O
RocketMQ	O
dropped	O
much	O
less	O
than	O
Kafka	B-Language
.	O
</s>
<s>
There	O
are	O
at	O
least	O
five	O
aspects	O
Apache	B-Application
RocketMQ	I-Application
could	O
relate	O
to	O
:	O
</s>
