Cloudcamp SF slides summarizing the blog post that talks about a NoSQL use case with answers from several NoSQL suppliers.

1. What
Ne(lix
Needs
from
NoSQL
acockcro7@ne(lix.com
@adrianco
#ne(lixcloud

2. Basic
Requirements
• Supports
running
on
Amazon
EC2
• Supports
Amazon
Availability
Zones
• Low
latency,
low
latency
variance
• High
and
scalable
read
and
write
throughput
• Large
and
scalable
capacity,
no
external
sharding
• “AP”
Eventually
Consistent
• Data
integrity
checks
and
repairs
• Online
Snapshot
Backup,
Restore/Rollback

3. Scenario
–
Immediate
Read
a7er
Write
Q1:
Is
rouXng
and
replicaXon
zone
aware?
TV
Device
New
New
Favorite
Round
Robin
Favorites
Load
Balancer
List
API
API
(zone
A)
(Zone
B)
Append
New
New
Favorites
Favorite
List
Favorites
Favorites
(zone
A)
(Zone
B)
ReplicaXon

4. Network
ParXXon
Q2:
What
happens
next?
TV
Device
New
New
Favorite
Round
Robin
Favorites
Load
Balancer
List
API
API
(zone
A)
(Zone
B)
Append
New
New
Favorites
Favorite
List
Favorites
Favorites
(zone
A)
(Zone
B)
No
ReplicaXon

5. Network
ParXXon
Q4:
Append
vs.
Read/Modify/Write?
TV
Device
New
New
Favorite
Round
Robin
Favorites
Load
Balancer
List
RMW
API
API
(zone
A)
(Zone
B)
Old
New
New
Favorites
Favorites
Favorites
List
List
List
Favorites
Favorites
(zone
A)
(Zone
B)
ReplicaXon

6. Silent
Data
CorrupXon
Q4:
How
is
it
detected
and
corrected?
TV
Device
New
New
Favorite
Round
Robin
Favorites
Load
Balancer
List
API
API
(zone
A)
(Zone
B)
Append
New
New
Favorites
Favorite
List
Favorites
Favorites
(zone
A)
(Zone
B)
ReplicaXon
corrupted
on
disk
or
via
network

7. Backups
Q5:
Online
snapshot
and
restore?
• Guard
against
applicaXon
bugs
&
corrupt
data
• Point
in
Xme
(eventually)
consistent
backup
• No
downXme
during
backup
• No
downXme
during
restore
• What
is
the
on-­‐disk
format
for
archiving?
• Business
ConXnuity
(non
app
specific
formats)

8. Answers
at
hfp://perfcap.blogspot.com/search?q=nosql
for
Cassandra
and
MongoDB
so
far
Adrian
Cockcro7
@adrianco
#ne(lixcloud
acockcro7@ne(lix.com