Hue is an open source Hadoop Web UI that lets users be more productive, while also providing a framework for building new apps quickly. Get a tour of Hue features and learn how to re-use the APIs for submitting Hive queries, listing HDFS files, and submitting MapReduce jobs.

1. HUE+SDK
HOW TO GET STARTED
Romain Rigaux
Cloudera - Feb 20, 2014

2. What is Hue?
HUE 1
Desktop-­‐like
in
a
browser,
did
its
job
but
pretty
slow,
memory
leaks
and
not
very
IE
friendly
but
definitely
advanced
for
its
time
(2009-­‐2010).

3. HISTORY
HUE 2
The
first
flat
structure
port,
with
Twitter
Bootstrap
all
over
the
place.

4. HISTORY
HUE 2.5
New
apps,
improved
the
UX
adding
new
nice
functionalities
like
autocomplete
and
drag
&
drop.

5. HISTORY
HUE 3 ALPHA
Proposed
design,
didn’t
make
it.

6. HISTORY
HUE 3
Transition
to
the
new
UI,
major
improvements
and
new
apps.

7. HISTORY
HUE 3.5+

8. RE
TO
ET
AS
M
BR
ER
R
...
O
SQ
W
SE
O
ZO
O
R
P
O
KE
EP
ER
U
SE
R
AD
M
DB IN
Q
U
ER
Y
SP
AR
K
H
O
M
E
SE
BA
H
C
AR
SE
H
E
PA
LA
BR
O
W
SE
R
IM
E
IV
H
N
SE
R
W
O
BR
G
SI
DE
O
ZI
O
JO
B
G
PI
SE
O
W
BR
JO
B
LE
FI
APPS

9. APPS
Hue Plugins
YARN
JobTracker
Pig
Oozie
Cloudera
Impala
HiveServer2
HDFS
Hive
Metastore
HBase
Solr
Zookeeper
Sqoop2
LDAP
SAML

10. FAST PACE
LAST MONTH
91
issues
created
and
90
resolved.
Core
team
+
Community

11. STACK
BACKEND
Python
+
Django
(with
tiny
bits
in
Java)
FRONTEND
jQuery
Bootstrap
Knockout.js
Love

12. WHY SDK?
EXTEND HUE AND GET
-­‐
Other
type
of
visualizations
-­‐
Export
in
another
format
-­‐
Simpler
API
than
Hadoop
-­‐
Custom
dashboards
-­‐
YOUR_COMPANY
app

13. SDK
HUE
http://gethue.com/docs-­‐3.5.0/
sdk/sdk.html
Django
https://docs.djangoproject.com/
en/1.6/intro/reusable-­‐apps/

14. Hue Architecture
2 PARTS
https://github.com/cloudera/hue
/desktop
/core
/app
framework
/documents
/REST/Thrift
libs
/...
/libs
/hadoop
/liboauth
/liboozie
/...
/apps
/impala
/filebrowser
/jobbrowser
/oozie
/hbase
/...
/your_app
/...

15. Proxy App
PROXY APP
Put
anything
inside
Hue!
!
Integrate
external
apps

16. New community Apps
PLUGGABLE APPS
-­‐
Hue
Hannibal
-­‐
Hue
Chrome
notifier

17. YARN Apps
HUE FRONTEND?
-­‐
Build
a
new
Yarn
-­‐
Embedded
REST
API
-­‐
Get
it
in
Job
Browser
or
custom
app
(inherit
login/security/other
API)

18. HADOOP INTERFACES
REST & THRIFT
Many
Hadoop
interfaces
used
WebHDFS
YARN
API
(RM,
NM,
MR...)
HiveServer2
Impala
HBase
Oozie
Sqoop2
ZooKeeper
...

19.
DEMO
TIME

20. Missed something?
GET STARTED
Basic
usage
of
the
Hue/Django
shell
Basic
access
to
the
Hue/Django
DB
!
Execute
Hive
or
Impala
queries
A
new
set
of
icons
for
file
types
!
Pluggable
authentication
backends
(OAuth
1.0/1.1,
LDAP,
SAML,
OpenId...)

21. What's next?
HUE 3+
Document
Model
Unification
of
internal
API
(blueprint)
External
API?
Pluggable
widgets?
(aka
within
app
SDK)

22. GET HUE
CLOUDERA’S CDH
TARBALL
CLOUDERA’S DEMO VM
Stable
and
highly
tested
releases
perfectly
integrated
with
the
Hadoop
ecosystem,
automagically
configured
by
Cloudera
Manager.
Try
in
advance
the
latest
and
greatest
but
you’ll
have
to
configure
everything
on
your
own.
Get
to
play
with
Hue
and
various
Hadoop
components
in
5
minutes.
It’s
a
self
contained
CDH
environment
ready
to
use.
HORTONWORKS*
MAPR*
HP CLOUD*
In
HDP
there’s
an
old
forked
version
of
Hue
2.3.
Newer
version
than
HDP,
close
to
the
original
2.5
minus
apps
like
HBase,
Impala,
Sqoop,
Search.
The
newest
addition,
ships
Hue
3.0
through
the
GreenButton
products.
BIGTOP
EMBEDDED/DEMO IN IND. COMPANIES
* YOUR MILEAGE MAY VARY.

23. LINKS
WEBSITE
http://gethue.com
BLOG
http://blog.gethue.com
TWITTER
@gethue
USER GROUP
hue-­‐user@

24. THANKS.
QUESTIONS?
gethue.com