Search found 5 matches

by firat
Thu Jul 02, 2015 2:22 pm
Forum: New to Vertica
Topic: Data directory location
Replies: 1
Views: 1146

Data directory location

Which statement is true about the data directory location across the nodes of cluster ? A. It must be in the same location on each node B. It can be stored in different formats on different nodes C. It can be in different locations on each node D. It must be in a single location, accessible to all n...
by firat
Thu Jul 02, 2015 2:18 pm
Forum: New to Vertica
Topic: Mergeout task
Replies: 1
Views: 1104

Mergeout task

I have a question about mergeout task. Can anyone explain ? What are the actions of the mergeout task ? (Select three) A. Mergeout rewrites all ROS containers B. Mergeout writes data to memory C. Mergeout consolidates containers on disk D. Mergeout places data into all defined projections on the sou...
by firat
Thu Jul 02, 2015 2:14 pm
Forum: New to Vertica
Topic: Vertica's transaction model
Replies: 1
Views: 1556

Vertica's transaction model

Hi all. What is the purpose of Vertica's transaction model ? (Select three) A. Transactions mean that undo logs are not needed B. Transactions are used to maintain partitions C. Transactions are only written upon an explicit commit being issued D. Transactions are used for data recovery E. Transacti...
by firat
Thu Jul 02, 2015 2:08 pm
Forum: New to Vertica
Topic: What are the benefits of ordering data in projection design ?
Replies: 1
Views: 1198

What are the benefits of ordering data in projection design ?

Hi all. I'm new to vertica and studying to get HP2-N36 certificate. Which selections are benefits of ordering data in projection design ? A. It enables optimum encoding B. It enables partitioning of data C. It enables efficient sharing of data between similarly-ordered projections D. It enables effi...
by firat
Tue Jun 30, 2015 8:30 am
Forum: Vertica Administration Tools
Topic: [Errno 13] Permission denied: '/opt/vertica/config/admintool
Replies: 2
Views: 14520

Re: [Errno 13] Permission denied: '/opt/vertica/config/admintool

Change the owner of config directory.

[root@NODE2 ~]$ sudo chown -R dbadmin:verticadba /opt/vertica/config

Then try to start admintools

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