This document discusses the open source applications used at Gittigidiyor, including NoSQL databases like MongoDB, search engines like Solr, caching with Memcached, and big data technologies like Hadoop. It provides examples of how each technology is used, such as storing product data and logs in MongoDB. It also mentions technologies being tested like Cassandra, Couchbase, Redis, and Elasticsearch.

1. Gi#gidiyor’da
Açık
Kaynak
Uygulamalar

2. Harun
Yardımcı
So$ware
Architect
@
Gi#gidiyor.com
/
eBay
Turkey
-­‐
NoSQL
Lover
Harun
Yardımcı
-­‐
Hates
RelaGons
@h_yardimci
Girls
doesn’t
understand
that
harun.yardimci@gmail.com
hyardimci@ebay.com
nosqlcozumler@gmail.com

3.
Gi#gidiyor.com
=
ebay.com.tr
2001
2007
2011

6. Big
Data
??

7. X
Logs,
Messages,
Categories,
Cart
InformaEon,
Payment
InformaEon,
Search
Impressions,
Click
Rates,
Search
Keywords,
….
X
+10
Years

9. Hibernate
Hazelcast
REDIS
Hive
Couchbase
Cassandra
Mahout

10. Hadoop
In
Gi#gidiyor
Devveri.com

11. Hadoop
In
Gi#gidiyor
Devveri.com

12. MongoDB
in
Gi#gidiyor
• Product
DescripEons
• Product
Images
• Detailed
Seller
RaEng
Data
• User
SegmentaEon
Data
• Mobile
ApplicaEon
Device
and
Token
Info
• Admin
Logs
• ApplicaEon
Logs
(Capped
CollecEon)
• Product
and
Payment
Based
Business
Rules
Info

13. Memcached
in
Gi#gidiyor
• Wherever
is
possible!

14. Solr
In
Gi#gidiyor
• 3
masters
-­‐
10
slaves
• ~50
GB
Total
Index
Size
• ~15
different
Indexes

15. Others..
SGll
TesGng
• Cassandra
– to
Store
User
Messages
• Couchbase
(as
a
key-­‐value
database)
– to
Replace
Memcached..
Why?
• Redis
– to
use
for
atomic
calculaEons
(such
as
counter,
online
visitor,
offers,
bids)
• ElasEcSearch
– as
an
alternaEve
of
Solr

16. Thanks
Any
QuesEons?