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Old 12-11-2014, 10:48 AM   #1
Akashpatel1234
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Registered: Aug 2014
Posts: 20

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Titan (Graph db) and cassandra connection.


Hi,

I am Fedora 20 user and I have installed cassandra and Titan Graph DB in my system I want to tie them together.

Fro data storage I want to use cassandra and for Graph DB but dont know how to connect them both.

I am planning to do this on cluster too.
So pls tell me both solution
1) On single machine
2) on cluster

first I want to experement it on single system and then will go for cluster.

Thanks in advance.
 
Old 12-11-2014, 11:10 AM   #2
TB0ne
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Location: Birmingham, Alabama
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Quote:
Originally Posted by Akashpatel1234 View Post
Hi,
I am Fedora 20 user and I have installed cassandra and Titan Graph DB in my system I want to tie them together. Fro data storage I want to use cassandra and for Graph DB but dont know how to connect them both.

I am planning to do this on cluster too.
So pls tell me both solution
1) On single machine
2) on cluster

first I want to experement it on single system and then will go for cluster.
See the LQ Rules about text speak...spell out your words, please. And did you even TRY to look at the Titan documentation???? Like the parts where setting up Titan to use Cassandra backend is SPECIFICALLY COVERED????
http://s3.thinkaurelius.com/docs/tit...cassandra.html

Doing basic research first is your best first step.
 
Old 12-12-2014, 02:05 AM   #3
Akashpatel1234
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Registered: Aug 2014
Posts: 20

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I certainly did TB0ne but two things I am unable to understand
but documents first step it self is confusing to me.

Download Cassandra, unpack it, and set filesystem paths in conf/cassandra.yaml and conf/log4j-server.properties

I dont know how set filesystem paths, Moreover I installed Cassandra using repo file (detail here)

so I dont know how to tie them up . Thats why this thread is started.

If you have some other technique then pls help.
 
Old 12-12-2014, 10:12 AM   #4
TB0ne
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Quote:
Originally Posted by Akashpatel1234 View Post
I certainly did TB0ne but two things I am unable to understand but documents first step it self is confusing to me.
Sorry, but we can't do ANYTHING to help you understand the documentation. If you are having problems with it, you may want to consult a co-worker who can explain it to you.
Quote:
Download Cassandra, unpack it, and set filesystem paths in conf/cassandra.yaml and conf/log4j-server.properties

I dont know how set filesystem paths
The documentation is telling you the file to open. Did you open it, and look in it??? Because it has EXAMPLES on how to do what you're asking.
Quote:
Moreover I installed Cassandra using repo file (detail here) so I dont know how to tie them up . Thats why this thread is started.
Doesn't matter how you installed it...the configuration/setup is the same. Follow the instructions.
Quote:
If you have some other technique then pls help.
Again, you need to SPELL OUT YOUR WORDS, and STOP using text speak. You need to read and follow the instructions and documentation.
 
Old 12-25-2014, 08:19 AM   #5
Akashpatel1234
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Registered: Aug 2014
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My appology for late reply!!!!!


/home/akash/Pictures/Screenshot from 2014-12-25 19:32:21.png There is no example.

However I tried and found this and I edited the path

Directories where Cassandra should store data on disk. Cassandra
# will spread data evenly across them, subject to the granularity of
# the configured compaction strategy.
# If not set, the default directory is $CASSANDRA_HOME/data/data.
# data_file_directories:
# /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/data



Directories where Cassandra should store data on disk. Cassandra
# will spread data evenly across them, subject to the granularity of
# the configured compaction strategy.
# If not set, the default directory is $CASSANDRA_HOME/data/data.
# data_file_directories:
# /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/data

# commit log. when running on magnetic HDD, this should be a
# separate spindle than the data directories.
# If not set, the default directory is $CASSANDRA_HOME/data/commitlog.
# commitlog_directory: /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/commitlog


please tell me if this is correct.


And more over TBOne I believe that linux questions is a friendly community not a bossy!!!!!!!
 
Old 12-25-2014, 10:31 AM   #6
TB0ne
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Quote:
Originally Posted by Akashpatel1234 View Post
My appology for late reply!!!!!

/home/akash/Pictures/Screenshot from 2014-12-25 19:32:21.png There is no example.
Sorry, no idea what you're talking about here.
Quote:
However I tried and found this and I edited the path
Code:
Directories where Cassandra should store data on disk.  Cassandra
# will spread data evenly across them, subject to the granularity of
# the configured compaction strategy.
# If not set, the default directory is $CASSANDRA_HOME/data/data.
# data_file_directories:
#      /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/data


Directories where Cassandra should store data on disk.  Cassandra
# will spread data evenly across them, subject to the granularity of
# the configured compaction strategy.
# If not set, the default directory is $CASSANDRA_HOME/data/data.
# data_file_directories:
#      /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/data

# commit log.  when running on magnetic HDD, this should be a
# separate spindle than the data directories.
# If not set, the default directory is $CASSANDRA_HOME/data/commitlog.
# commitlog_directory: /home/akash/Cassandra/apache-cassandra-2.1.2/lib/cassandra/commitlog
please tell me if this is correct.
No idea if this is correct or not...how are we supposed to know what the correct paths are on your system, or where you installed things? ARE they correct??? And if those things are right, then you probably should uncomment them in the config file
Quote:
And more over TBOne I believe that linux questions is a friendly community not a bossy!!!!!!!
No idea what you mean by "not a bossy", but you do need to read and follow the LQ Rules and Question Guidelines.
 
  


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