Search found 302 matches

by nnani
Mon Dec 28, 2015 5:42 am
Forum: New to Vertica
Topic: Grant access for a frquently dropped and created table
Replies: 4
Views: 2914

Re: Grant access for a frquently dropped and created table

Hi, upgrade to and all your worries will be gone !!! :) Inherited Privileges https://my.vertica.com/docs/7.2.x/HTML/index.htm#Authoring/NewFeatures/7.2/7.2.0/InheritedPrivileges.htm%3FTocPath%3DVertica%25207.2.x%2520New%2520Features%7CNew%2520Features%2520and%2520Changes%2520in%2520Vertica%25207.2.0...
by nnani
Fri Nov 27, 2015 2:17 pm
Forum: New to Vertica Database Administration
Topic: Partitioning - default Partition
Replies: 1
Views: 1807

Re: Partitioning - default Partition

No default partition exist in Vertica. Vertica is a bit different when compared to Postgres in terms of storage. You will need to partition all your data. Even if you partition by potential_id_key, All partitions reside on all nodes in cluster. So every node will have count(distinct(potential_id_key...
by nnani
Thu Oct 15, 2015 5:41 pm
Forum: Vertica Database Administration
Topic: Question on data collector table dc_allocation_pool_statistics
Replies: 7
Views: 2308

Re: Question on data collector table dc_allocation_pool_statistics

Hi Fred, These resource pools generally deal with global catalog size. Since the global catalog is held in memory, this system table shows two types of memory, they both comprise to give you the catalog size which is held in memory by Vertica. So SAL and Global are types of memory and not resource p...
by nnani
Tue Sep 22, 2015 7:55 am
Forum: General
Topic: How large can the catalog size can be without impacting performance?
Replies: 4
Views: 2687

Re: How large can the catalog size can be without impacting performance?

Hi, The recommended size by Vertica is 4-5 GB per node. If your catalog goes beyond this limit, you may start experiencing Slowness on the database. The reason is, Vertica has a single huge Catalog which keeps a track of every single change in the database.The changes include data about objects / sy...
by nnani
Tue Sep 01, 2015 9:19 am
Forum: New to Vertica Database Administration
Topic: Pin data in memory
Replies: 3
Views: 1619

Re: Pin data in memory

Hi, The basic answer would be....Vertica is not an In memory database. The functionality, you are looking for, is found in In-memory databases(Voltdb and many more). Plus, there is no such solution as memcache sitting on Vertica as of yet.. This https://community.dev.hp.com/t5/Vertica-Forum/Periodic...
by nnani
Tue Sep 01, 2015 7:24 am
Forum: Announcements, Events and Activities
Topic: That Rubic's Cube Guy?
Replies: 5
Views: 13877

Re: That Rubic's Cube Guy?

Hey Everybody....

Back to forums after a long time.

I am in for a t-shirt as well. :)
by nnani
Mon Dec 08, 2014 10:26 pm
Forum: Vertica Database Administration
Topic: Running more than one Database
Replies: 7
Views: 3024

Re: Running more than one Database

Nice hack Jim.
I had heard about this being possible, but never knew how you do it.

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