<s>
Apache	B-Language
Impala	I-Language
is	O
an	O
open	B-Application
source	I-Application
massively	B-Operating_System
parallel	I-Operating_System
processing	I-Operating_System
(	O
MPP	O
)	O
SQL	B-Language
query	O
engine	O
for	O
data	O
stored	O
in	O
a	O
computer	B-Architecture
cluster	I-Architecture
running	O
Apache	B-Application
Hadoop	I-Application
.	O
</s>
<s>
Impala	O
has	O
been	O
described	O
as	O
the	O
open-source	B-Application
equivalent	O
of	O
Google	B-Operating_System
F1	I-Operating_System
,	O
which	O
inspired	O
its	O
development	O
in	O
2012	O
.	O
</s>
<s>
Apache	B-Language
Impala	I-Language
is	O
a	O
query	O
engine	O
that	O
runs	O
on	O
Apache	B-Application
Hadoop	I-Application
.	O
</s>
<s>
Impala	O
brings	O
scalable	O
parallel	O
database	O
technology	O
to	O
Hadoop	B-Application
,	O
enabling	O
users	O
to	O
issue	O
low-latency	O
SQL	B-Language
queries	O
to	O
data	O
stored	O
in	O
HDFS	O
and	O
Apache	B-Language
HBase	I-Language
without	O
requiring	O
data	O
movement	O
or	O
transformation	O
.	O
</s>
<s>
Impala	O
is	O
integrated	O
with	O
Hadoop	B-Application
to	O
use	O
the	O
same	O
file	O
and	O
data	O
formats	O
,	O
metadata	O
,	O
security	O
and	O
resource	O
management	O
frameworks	O
used	O
by	O
MapReduce	B-Operating_System
,	O
Apache	B-General_Concept
Hive	I-General_Concept
,	O
Apache	B-Language
Pig	I-Language
and	O
other	O
Hadoop	B-Application
software	O
.	O
</s>
<s>
Impala	O
is	O
promoted	O
for	O
analysts	O
and	O
data	O
scientists	O
to	O
perform	O
analytics	O
on	O
data	O
stored	O
in	O
Hadoop	B-Application
via	O
SQL	B-Language
or	O
business	B-General_Concept
intelligence	I-General_Concept
tools	O
.	O
</s>
<s>
The	O
result	O
is	O
that	O
large-scale	O
data	O
processing	O
(	O
via	O
MapReduce	B-Operating_System
)	O
and	O
interactive	O
queries	O
can	O
be	O
done	O
on	O
the	O
same	O
system	O
using	O
the	O
same	O
data	O
and	O
metadata	O
–	O
removing	O
the	O
need	O
to	O
migrate	O
data	O
sets	O
into	O
specialized	O
systems	O
and/or	O
proprietary	O
formats	O
simply	O
to	O
perform	O
analysis	O
.	O
</s>
<s>
Supports	O
HDFS	O
,	O
S3	B-General_Concept
,	O
ABFS	O
,	O
Apache	B-Language
HBase	I-Language
and	O
Apache	B-General_Concept
Kudu	I-General_Concept
storage	O
,	O
</s>
<s>
Supports	O
Hadoop	B-Application
security	O
(	O
Kerberos	B-Protocol
authentication	I-Protocol
,	O
Ldap	B-Protocol
)	O
,	O
</s>
<s>
Uses	O
metadata	O
,	O
ODBC	B-Application
driver	O
,	O
and	O
SQL	B-Language
syntax	O
from	O
Apache	B-General_Concept
Hive	I-General_Concept
.	O
</s>
<s>
In	O
early	O
2013	O
,	O
a	O
column-oriented	B-General_Concept
file	I-General_Concept
format	I-General_Concept
called	O
Parquet	B-General_Concept
was	O
announced	O
for	O
architectures	O
including	O
Impala	O
.	O
</s>
<s>
In	O
December	O
2013	O
,	O
Amazon	B-Application
Web	I-Application
Services	I-Application
announced	O
support	O
for	O
Impala	O
.	O
</s>
<s>
In	O
early	O
2014	O
,	O
MapR	B-General_Concept
added	O
support	O
for	O
Impala	O
.	O
</s>
<s>
In	O
2015	O
,	O
another	O
format	O
called	O
Kudu	B-General_Concept
was	O
announced	O
,	O
which	O
Cloudera	B-General_Concept
proposed	O
to	O
donate	O
to	O
the	O
Apache	O
Software	O
Foundation	O
along	O
with	O
Impala	O
.	O
</s>
