In my current work
with Hybris, in most implemented solutions, scalability challenges
come at persistent layers where there is a little say over data
management (due to Item modelling created within the persistence
layer in hybris) to normalize/optimize the database. To overcome it,
I am currently trying to utilize SAP HANA, which is a relational
database offering benefits of NoSql databases as well (as it is a RAM
residing database which offers instantaneous data results akin to
other OLAP offerings).
First, I sign up
with SAP Cloud Platform which is currently offering a full scale HANA
instance for 12 hrs (you would need to restart the instance). After
this, I can create a database on the SAP Cloud Platform Cockpit as
well as view my login credentials.
Next, I set that up
on my local machine via eclipse. To use eclipse, one needs to install
hana library (which I did via this update site :
https://tools.hana.ondemand.com/neon
on my Eclipse Neon).
Here I can see
various infrastructure related things that can be modified to set the
database level user management as well as utilize Hana for other
things like predictive analysis, real-time machine learning from the
available data, etc.
Now that our
connection has succeded, we can create a little jdbc application to
test the credentials that we used to confirm whether we can connect
with the database. We will need to have the Hana java driver in the classpath to make this happen.
It is worth
mentioning that as the database is tunneled via the Hana viewer, the
host becomes localhost:30015 and the user name/password is the one
that you have set for the database instance (not the S/P user ID that
SAP gave you or the userd id of the SAP Hana Cloud instance)
After this, we can
trivially set this up on Hybris via the following db configuration in
local.properties:
db.url=jdbc:sap://localhost:30015/?reconnect=true
db.driver=com.sap.db.jdbc.Driver
db.username=
db.password=
Start the Hybris and
initialize it (note the DB name in the following image)
After
initialization, you can use Hybris as an e-Commerce/CRM solution and
utilize HANA as its extremely fast and fault-tolerant backend system.
My experience was
that it was not as blazingly fast as it is portrayed to be, but then
I am just using a 2MbPS connection but YMMV.
What was your experience ? Do let me know in the comments below or shout out to me @sumitbbd your experiences.
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